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Ion And Electric Field




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Ion And Electric Field Detector Assembled - Bookshelf


492 pages

Potassium Ion Channels, Molecular Structure, Function, and Diseases

Creator: Yoshihisa Kurachi, Lily Yeh Jan, Michel Lazdunski | Medical - 1999-04-23

Unfortunately, the additional mutation resulted in a protein that was unable to fold and assemble properly, leaving the issue unresolved. VI. MOVEMENT OF THE VOLTAGE SENSOR IN THE TRANSMEMBRANE ELECTRIC FIELD The finding that a residue ...

Publisher: Academic Pr

About this book
This book is the first to focus on potassium ion channels and covers the recent remarkable progress made in research on these proteins. Many diseases are caused by the abnormalities of potassium ion channels. They include diabetes mellitus, life-threatening hereditary cardiac arrhythmia, epilepsy, neural degeneration, and renal hypertension. Written by leading scientists in the field, this volume offers readers a comprehensive update of this field in the understanding of the genes, molecular structure, function and diseases of potassium ion channels.Key Features* The first comprehensive volume on potassium ion channels in all aspects of genes, molecular structure, function, and diseases* Completely up-to-date information* Written by leading scientists in the field


Encyclopaedia of Medical Imaging

Creator: Holger Pettersson, David J. Allison, Donald Resnick, Gustav Konrad von Schulthess, Hans Ringertz, Ingvar Andersson (M.D.), NICER Institute | 1999

In COMPUTED TOMOGRAPHY (CT)1, the gantry contains the X-RAY TUBE' and DETECTOR' assembly, provides the motion required ... At low values of the electric field, the ELECTRONS' and IONS' created by the incident radiation simply drift to ...



350 pages

Ion Mobility Spectrometry

Creator: Gary Alan Eiceman, Zeev Karpas | 2005-06-23

microliter amounts of sample through a pinhole orifice, the simplicity of this design is attractive for a field analyzer. This drift tube is now available as the lightweight chemical detector (Smiths Detection). 4.4.1.3 Electric Field ...

Publisher: CRC

About this book
Key Developments for Faster, More Precise Detection Capabilities Driven by the demand for the rapid and advanced detection of explosives, chemical and biological warfare agents, and narcotics, ion mobility spectrometry (IMS) undergone significant refinements in technology, computational capabilities, and understanding of the principles of gas phase ion chemistry and mobility. Beginning with a thorough discussion of the fundamental theories and physics of ion mobility, Ion Mobility Spectrometry, Second Editiondescribes the recent advances in instrumentation and newly pioneered applications. Divided into three sections, the first presents a history of technological developments, basic principles, theories, and other factors that govern the response in IMS. The second section describes aspects of IMS technology including sample introduction methods, draft tubes, modern methods for data analysis and display, the combination of mobility spectrometers with chromatographic methods, miniaturized IMS sensors, alternative ionization sources, and advances in computational capabilities that improved the acquisition and treatment of data. The final section emphasizes rapidly developing and exciting applications of IMS. The section is subdivided into existing, proven and potential applications encompassing the traditional forensic, military, and counter-terrorism applications and the now well-developed methods for detect biological agents and characterizing bio-molecules. It also highlights other applications found in clinical and environmental venues and await further development. This new edition of Ion Mobility Spectrometryoffers a lucid and complete analysis of the technological and contextual developments surrounding the chemistry, instrumentation and growing number of applications of IMS that incorporate and depend upon the latest innovations in the field.


RF Locators Directory

Ion - Wikipedia, the free encyclopedia
Since the electric charge on a proton is equal in magnitude to the charge on an electron, the net electric charge on an ion is equal to the number of protons in the ...

Build an Ion Detector - Home and Kitchen Appliances Air ...
Build An Ion Detector and Test Your Negative Ionizer by Vincent Vollono from "Spring 1994 Electronics Hobbyists Handbook" Ions are defined as electrically charged atoms.

Electric motor - Wikipedia, the free encyclopedia
An electric motor is an electric machine that converts electrical energy into mechanical energy. In normal motoring mode, most electric motors operate through the ...

Ion Chambers - Technical Library
Introduction These "ion chambers" are nothing more than a bare wire stuck through a hole into a metal can! No special gas or sealing is required.

How Do Ion Source Leak Detectors Work ? | eHow
An ion source leak detector has four fundamental elements: the ion source, a filament often made of tungsten; a vacuum chamber through which the air to be tested for ...


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  • RAVPower

    RAVPower Deluxe External Battery CHARGER 14000mAh Portable Power Bank Pack for iPhone 5S,5C,5 (Lightning Cable not included), 4S, 4, iPad Air, iPad 4, 3, 2, Mini 2, Mini, iPods; Samsung Galaxy S4, S3, S2, Note 3 Note 2; Nexus 7, Nexus 5, Nexus 4; HTC One, EVO, Thunderbolt, Incredible, Droid DNA; Motorola ATRIX, Droid; LG Optimus [Premium Samsung Batteries, Matte Finish, 2 mobile phone connectors] - Black

    Wireless (RAVPower)

    Rating (541 reviews):
    (4.4/5)
    RAVPower

    PB-13 14000mAh won't let you down

    Every year, our power needs grow. Tablets get bigger, phones get more needy. Portable power is pretty much a must for anyone travelling or for someone that works away from a power source all day.The good news is - there are hundreds (if not THOUSANDS) of choices for portable external battery chargers. The bad news is - they are not created equally and may not reasonably meet the needs you bought them for.When buying an external battery like the RAVPower 14000 mAh PB-13 (from now on, just PB-13), you need to consider four major things; how long it will last, how powerful is the output, what sort of quality of battery are you getting inside - and finally, how long will it take to recharge?Of course, once you're good in those departments, you can talk about features from there.The PB-13 comes as an attractive little box that still fits in your hand. It is a bit heavier than you might expect, but that is the price for the 14000 mAh rated... 5/5 Shane R. Monroe (Glendale, AZ USA) - See all my reviews This review is from: RAVPower Deluxe External Battery CHARGER 14000mAh Portable Power Bank Pack for iPhone 5S,5C,5 (Lightning Cable not included), 4S, 4, iPad Air, iPad 4, 3, 2, Mini 2, Mini, iPods; Samsung Galaxy S4, S3, S2, Note 3 Note 2; Nexus 7, Nexus 5, Nexus 4; HTC One, EVO, Thunderbolt, Incredible, Droid DNA; Motorola ATRIX, Droid; LG Optimus [Premium Samsung Batteries, Matte Finish, 2 mobile phone connectors] - Black (Wireless Phone Accessory) Every year, our power needs grow. Tablets get bigger, phones get more needy. Portable power is pretty much a must for anyone travelling or for someone that works away from a power source all day.The good news is - there are hundreds (if not THOUSANDS) of choices for portable external battery chargers. The bad news is - they are not created equally and may not reasonably meet the needs you bought them for.When buying an external battery like the RAVPower 14000 mAh PB-13 (from now on, just PB-13), you need to consider four major things; how long it will last, how powerful is the output, what sort of quality of battery are you getting inside - and finally, how long will it take to recharge?Of course, once you're good in those departments, you can talk about features from there.The PB-13 comes as an attractive little box that still fits in your hand. It is a bit heavier than you might expect, but that is the price for the 14000 mAh rated... Read more Help other customers find the most helpful reviews  Was this review helpful to you? , September 3, 2013

    Charge Multiple Devices at the same time, multiple times!

    0 5/5 CheapGeek "Do it for Cheap, Find it for Cheap... (Tidewater Area, Virginia) - See all my reviews This review is from: RAVPower Deluxe External Battery CHARGER 14000mAh Portable Power Bank Pack for iPhone 5S,5C,5 (Lightning Cable not included), 4S, 4, iPad Air, iPad 4, 3, 2, Mini 2, Mini, iPods; Samsung Galaxy S4, S3, S2, Note 3 Note 2; Nexus 7, Nexus 5, Nexus 4; HTC One, EVO, Thunderbolt, Incredible, Droid DNA; Motorola ATRIX, Droid; LG Optimus [Premium Samsung Batteries, Matte Finish, 2 mobile phone connectors] - Black (Wireless Phone Accessory), September 4, 2013

    BUYERS, BEWARE!!

    Since April of this year I’ve purchased three of these charging banks. One order in April and two orders in June. My April order came with different cables than what my two June orders came with. I liked my first device so much that I decided to buy another unit. My second order arrived and I noticed that the LED flash light didn’t work, but I thought I would first have to fully charge the unit before the flash light would work. I never got to recharge it as I gave it as a gift to a fried that visited from out of town.I ordered yet another unit for myself and this too arrived with the different USB cables than what the first unit arrived with in April. Again the flash light didn’t work and after having charged it to 100% it still doesn’t work.This is very frustrating! Clearly Sunvalleytek is sitting on a batch of partially defective units.My question to Sunvalleytek is this;Do you not perform quality checks on... 2/5 Morten Beyer - See all my reviews Verified Purchase(What's this?) This review is from: RAVPower Deluxe External Battery CHARGER 14000mAh Portable Power Bank Pack for iPhone 5S,5C,5 (Lightning Cable not included), 4S, 4, iPad Air, iPad 4, 3, 2, Mini 2, Mini, iPods; Samsung Galaxy S4, S3, S2, Note 3 Note 2; Nexus 7, Nexus 5, Nexus 4; HTC One, EVO, Thunderbolt, Incredible, Droid DNA; Motorola ATRIX, Droid; LG Optimus [Premium Samsung Batteries, Matte Finish, 2 mobile phone connectors] - Black (Wireless Phone Accessory) Since April of this year I’ve purchased three of these charging banks. One order in April and two orders in June. My April order came with different cables than what my two June orders came with. I liked my first device so much that I decided to buy another unit. My second order arrived and I noticed that the LED flash light didn’t work, but I thought I would first have to fully charge the unit before the flash light would work. I never got to recharge it as I gave it as a gift to a fried that visited from out of town.I ordered yet another unit for myself and this too arrived with the different USB cables than what the first unit arrived with in April. Again the flash light didn’t work and after having charged it to 100% it still doesn’t work.This is very frustrating! Clearly Sunvalleytek is sitting on a batch of partially defective units.My question to Sunvalleytek is this;Do you not perform quality checks on... Read more Help other customers find the most helpful reviews  Was this review helpful to you? , June 26, 2014
    List Price: $99.99
    Price: $39.95
    You Save: $60.04 (60%)
    Package includes: RAVPower RP-PB13 External Battery, 2 adapters compatible with most phones, 2 USB to Micro USB cables, user manual, and travel pouch.
    Super-fast charge output (5V / 3A total) through dual USB ports (5V / 2A and 5V / 1A) allow for simultaneous charging of your iPad, iPhone, Android, and more at high speed.
    Smooth, ebony varnish allows you to power up in style, while 4 status LEDs keep you informed of remaining capacity. Built-in flashlight for dark or low-light environments.
    14000mAh high capacity battery pack for your mobile device.Get 7-8 charges on your iPhone 5, 4S and 3 charges on your Google Nexus,86% charges on your iPad 3/4.
    Ultra reliable Samsung Lithium-Ion battery with over 500 battery charge cycles; Security protection design: short-circuit and over-current protection. This battery pack will automatic shutdown if a short circuit or overload output occurred while unit is charging.


  • RAVPower

    RAVPower® Luster Mini 3200mAh Ultra-Compact Portable Charger Lipstick-Sized External Battery Power Bank with iSmartTM Technology for iPhone 6 5s 5c 5 4S, Galaxy S5 S4 S3 Note 3, 4, Nexus 4, HTC One M8, Nokia Lumia 520, 1020 and Other Smartphones (Black)

    Wireless (RAVPower)

    Rating (461 reviews):
    (4.6/5)
    RAVPower

    Good product

    ***I received an updated version of this item from RAVpower for free recently.It is now rated at 3000mAh and I definitely feel that the new one holds more charge.It also recharges much faster and the flashlight is brighter.The only change I didn't like was the button for the flashlight. It's not a simple on/off anymore.Each button press now goes from solid bright, solid light, and then strobe.It could take up to three button presses for the flashlight to actually turn off.Overall, this is a solid improvement. Price also didn't go up. 5 stars*****I just tried a test run and it performed ok. I used it to charge an LG Nexus 4 which has a 2100 mAh battery inside. The phone was mostly in sleep/idle when being charged.The following is not in any way a professional or scientific test, but it will give you a general idea of the charger's performance.For the first run, this unit charged the phone up +68% in 3 hours which... 5/5 John N Nguyen - See all my reviews Verified Purchase(What's this?) This review is from: RAVPower® Luster Mini 3200mAh Ultra-Compact Portable Charger Lipstick-Sized External Battery Power Bank with iSmartTM Technology for iPhone 6 5s 5c 5 4S, Galaxy S5 S4 S3 Note 3, 4, Nexus 4, HTC One M8, Nokia Lumia 520, 1020 and Other Smartphones (Black) (Tools & Home Improvement) ***I received an updated version of this item from RAVpower for free recently.It is now rated at 3000mAh and I definitely feel that the new one holds more charge.It also recharges much faster and the flashlight is brighter.The only change I didn't like was the button for the flashlight. It's not a simple on/off anymore.Each button press now goes from solid bright, solid light, and then strobe.It could take up to three button presses for the flashlight to actually turn off.Overall, this is a solid improvement. Price also didn't go up. 5 stars*****I just tried a test run and it performed ok. I used it to charge an LG Nexus 4 which has a 2100 mAh battery inside. The phone was mostly in sleep/idle when being charged.The following is not in any way a professional or scientific test, but it will give you a general idea of the charger's performance.For the first run, this unit charged the phone up +68% in 3 hours which... Read more Help other customers find the most helpful reviews  Was this review helpful to you? , April 2, 2013

    Compact charger & flashlight

    This little power bank is only 4 1/2" long and less than 1" in diameter but it will completely charge a cell phone with some power left over. It comes with a 12" USB to micro USB cable that charges the power bank itself as well as transfers electricity to devices that are compatible with micro USB.There is a button on the end that activates the LEDs that show how charged it is in 25% increments and the same button turns on the flashlight when held down for a few seconds.Charging using a USB wall charger adapter is about twice as fast as charging through a USB port but when travelling it would still recharge overnight from a USB port on a computer or on the back of the hotel television so there would be no need to carry an adapter.That flashlight is much better than would be expected: it's a very white LED that gives an intense concentrated area of illumination that is sufficient even for detailed tasks. It's so bright that if you put your... 5/5 Margaret Picky (NYC) - See all my reviews, December 30, 2012

    Excellent

    0 5/5 Reviewer - See all my reviews Verified Purchase(What's this?) This review is from: RAVPower® Luster Mini 3200mAh Ultra-Compact Portable Charger Lipstick-Sized External Battery Power Bank with iSmartTM Technology for iPhone 6 5s 5c 5 4S, Galaxy S5 S4 S3 Note 3, 4, Nexus 4, HTC One M8, Nokia Lumia 520, 1020 and Other Smartphones (Black) (Tools & Home Improvement) Don't hesitate I gave this out as Christmas gifts and everyone loves this. Excellent and fast service. I would definitely recommend this. One end is the charger and the other end is the flashlight. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , February 5, 2013
    List Price: $29.99
    Grade A cell and premium microchips ensure high quality.
    Input: 5V 1A; Output: USB DC 5V 1A; Input charging time: 4-5 hours via AC adapter (not included)
    Duo purpose design: Power bank and a flashlight.
    Add 8 hours of talk time or one full charge to your iPhone 4 / 4S / 3G / 3GS;
    Package contents: 1 RAVPower Luster 3000mAh External Battery, 1 USB power wire, user manual.


  • RAVPower

    RAVPower® 3rd Gen Deluxe 15000mAh External Battery Portable Dual USB Charger Power Bank. iSmartTM Broad Compatibility, Fast Charging, High Capacity, Ultra Compact. For iPhone 6 5S 5C 5 4S, iPad Air mini, Galaxy S5 S4 S3, Note 3 2, Tab 4 3 2 Pro, Nexus, HTC One, One 2 (M8), LG G3, Nexus, MOTO X and More (Black)

    Wireless (RAVPower)

    Rating (6 reviews):
    (5.0/5)
    RAVPower

    A Powerful External Battery Source

    Our Smartphones and tables are becoming more integrated into our daily lives. That is, we are using and relying on them more and more. Unfortunately, the increase in the use of mobile devices has outpaced the operating time of the batteries in many of those devises.If you are a power user of your Smart phone or your tablet and find that the battery is often running out of power when there is no suitable charging source, then the Ravpower ® Deluxe External Battery Pack may be the answer you are looking for.The Model RP-PB19 is a high capacity, 15000mAh, external battery pack that comes with a lot of neat features. There are two charging ports, a 2.4A and a 2.1A outlet. The outlets use smart charging technology that senses the requirements of the device being charged and will automatically cut off once the device has been fully charged. The RP-PB19 will work with a large number of portable devices, including iPhones, Motorola ATRIX, Nexus 4, 5 and 7 and... 5/5 John Chancellor "Mentor coach" (Spring Hill, TN) - See all my reviews, September 6, 2014

    unbelievable power/versatility

    i have other portable chargers but none compare to this unit from Ravpower from its price to form and function. package arrived on time and included in the box was: 1 RAVPower RP-PB19 PowerBank- 2 USB to Micro USB cables (2ft/3ft est)- 2 Connectors (iphone/micro)- 1 User Guide (easy to understand/read)- 1 Travel pouch (very handy)spcs of the unit are:Capacity: 15000mAhInput: DC 5V/1.5A (Standard Micro USB Port)USB A1:5V/2.4A max , USB A2:5V/2.1A maxWarranty: 12 Months Warranty (very nice to see this)There are two charging ports, a 2.4A and a 2.1A ports and the unit uses smart charging technology that senses the requirements of the device being charged and will automatically shut off once the device has been fully charged and thats such a great feature and missing on other portable chargers.the unit has a number of LED lights (blue) on top of unit that with a press of power button located on top also will indicate by number... 5/5 darren - See all my reviews This review is from: RAVPower® 3rd Gen Deluxe 15000mAh External Battery Portable Dual USB Charger Power Bank. iSmartTM Broad Compatibility, Fast Charging, High Capacity, Ultra Compact. For iPhone 6 5S 5C 5 4S, iPad Air mini, Galaxy S5 S4 S3, Note 3 2, Tab 4 3 2 Pro, Nexus, HTC One, One 2 (M8), LG G3, Nexus, MOTO X and More (Black) (Wireless Phone Accessory) i have other portable chargers but none compare to this unit from Ravpower from its price to form and function. package arrived on time and included in the box was: 1 RAVPower RP-PB19 PowerBank- 2 USB to Micro USB cables (2ft/3ft est)- 2 Connectors (iphone/micro)- 1 User Guide (easy to understand/read)- 1 Travel pouch (very handy)spcs of the unit are:Capacity: 15000mAhInput: DC 5V/1.5A (Standard Micro USB Port)USB A1:5V/2.4A max , USB A2:5V/2.1A maxWarranty: 12 Months Warranty (very nice to see this)There are two charging ports, a 2.4A and a 2.1A ports and the unit uses smart charging technology that senses the requirements of the device being charged and will automatically shut off once the device has been fully charged and thats such a great feature and missing on other portable chargers.the unit has a number of LED lights (blue) on top of unit that with a press of power button located on top also will indicate by number... Read more Help other customers find the most helpful reviews  Was this review helpful to you? , September 8, 2014

    this device is a true work horse for all your power needs.

    I have several other Ravpower charging banks but this one is the most powerful yet..... 15000 mAh WOW... charges my galaxy S4 4 to 5 times and all my other devices including my Xoom tablet, Samsung netbook, Bluetooth wireless headphones, Bluetooth wireless speakers. and my wife's IPhone , sometimes I'll share with her.. just kidding..Design is very sleek and modern looking with the black matte finish and finger proof and scratch proof. 4 blue LED light for determining how much power is let and 1 button Off/On and hold down for a bright flashlight. Comes with 2 charging USB micro cables, very nice travel bag, user manual, 2 connectors and the powerful 15000 mAh power bank. also has iSmart charging technology which knows what type of device is being charged and adjust to fit that devices charging speed and design.No more searching in airports or other public places for a power outlet. This little jewel will handle all your charging needs with no problem... 5/5 Tony D. Luttrell (knoxville , TN) - See all my reviews, September 8, 2014
    List Price: $99.99
    Price: $89.99
    You Save: $30.00 (33%)
    Huge 15000mAh capacity charges an iPhone 5s almost 7 times, a Galaxy S5 over 4 times or an iPad Air once.
    iSmart technology maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 4 amps.
    Ultra reliable Samsung Lithium-Ion battery with over 500 battery charge cycles; Security protection design: short-circuit and over-current protection. This battery pack will automatic shutdown if a short circuit or overload output occurred while unit is charging.
    Smooth, ebony varnish allows you to power up in style, while 4 status LEDs keep you informed of remaining capacity. Built-in flashlight for dark or low-light environments.
    Easy to use: power on / off automatically when plug / unplug the USB cable from device.


  • RAVPower

    RAVPower® 3rd Gen 13000mAh External Battery Portable Dual USB Charger Power Bank. iSmartTM Broad Compatibility, Fast Charging, High Capacity, Ultra Compact. For iPhone 5S 5C 5 4S, iPad Air mini, Galaxy S5 S4 S3, Note 3 2, Tab 4 3 2 Pro, Nexus, HTC One, One 2 (M8), LG G3, Nexus, MOTO X and More (Black)

    Wireless (RAVPower)

    Rating (5 reviews):
    (5.0/5)
    RAVPower

    For Power Users

    The Ravpower® Deluxe External Battery Pack, Model RP-PB 22 is a very powerful, rated at 13000 mAh capacity, portable charger.This model appears to be identical in configuration to the RP-PB 19 except that this model is slightly less powerful.From a configuration standpoint, this unit has one 5v input slot and two output slots, one a 2.4 A and the other a 2.1 A slot. The battery pack measures about 5" long X 3.25" wide X .75" high. The unit is quite heavy, weighing a little over 11 ounces. This is much bigger - in size and weight than many other units I have owned. The primary reason for the increase size and weight is the capacity of the battery. To get that power, the battery pack must be larger.There is one button on the top of the charger. This button will turn on the unit, displaying the charge status of the battery pack. Push and hold the on/off button will turn on an LED light between the slots that acts as a flashlight. The light is... 5/5 John Chancellor "Mentor coach" (Spring Hill, TN) - See all my reviews, September 6, 2014

    What more could you need for extra power needs?

    Wow, really what more could you need for your power needs. This charger is loaded with power with 13000 mAh..... This is enough to charge my Samsung Galaxy S4 3 to 4 times and my xoom tablet and my S4. The black finish with the blue LED lights looks very sleek and modern and is finger print and scratch proof.It has 4 LED lights to show power level. There is 1 button to turn on and off and push and hold the button for a ultra bright flashlight. Short circuit built in for protection of your devices in the event of over load or short circuit. Manuel says over 500 cycle charges....comes with iSmart technology to recognize what type charge your device requires and adjusts accordingly.Weights 11ozs so throw in a purse or a backpack to have the power you need. Also has 2 ports for charging so no more fighting who gets to use the power pack 1st..........comes with 2 USB charging cables, instruction manual, very nice carrying bag, 2 connectors and the 13000 mAh power... 5/5 Tony D. Luttrell (knoxville , TN) - See all my reviews, September 8, 2014

    Very durable, holds charge for a long time

    0 5/5 Yarii (fifty shades of blonde) - See all my reviews, September 8, 2014
    List Price: $99.99
    Price: $79.99
    You Save: $25.00 (31%)
    iSmart technology maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 3 amps.
    Easy to use: power on / off automatically when plug / unplug the USB cable from device.
    Ultra reliable Samsung Lithium-Ion battery with over 500 battery charge cycles; Security protection design: short-circuit and over-current protection. This battery pack will automatic shutdown if a short circuit or overload output occurred while unit is charging.
    Huge 13000mAh capacity charges an iPhone 5s almost 6 times, a Galaxy S5 over 3 times or an iPad Air once.
    Smooth, ebony varnish allows you to power up in style, while 4 status LEDs keep you informed of remaining capacity. Built-in flashlight for dark or low-light environments.


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