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Frequently Asked Questions

How does the VapoMeter differ from other TEWL meters?

Delfin technologies Ltd.
The measurement principle of the VapoMeter differs completely from the conventional devices in the market. It is a closed chamber system that calculates the evaporation rate from the increase of relative humidity in the measurement chamber. Compared with the open chamber technique the measurement time is shorter, the device is smaller and portable and ambient air flows do not disturb the measurement.
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Are there any scientific studies to compare your device with other TEWL meters?

Delfin technologies Ltd.
We have compared the VapoMeter with Evaporimeter EP1 (Servomed, Sweden) and Dermalab (Cortex Technologies, Denmark). The VapoMeter can measure very high evaporation rates accurately.
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How does Sierra calibrate mass flow meters?

Flow meter, mass flow controller, mass flow meter, flowmeter...
Every single 800 Series Sierra Flow meter is calibrated on a Primary Standard. Sierra does NOT use transfer standards. We can not stress how beneficial this is to YOU as the end user! The reason nobody else calibrates EVERY meter on a Primary Standards because the cost to calibrate Flow Meters with Primary Standards is IMMENSE however it is TRULY the ONLY way any company manufacturing Mass Flow Meters with accuracies of 1% or better could justifiably make such claims of accuracy.
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I think I'd like to get more than 512 square meters, how does that happen?

Second Life | FAQ
You can have as much land as you choose. Change the amount of land you have and your monthly fee will adjust accordingly. See Virtual Land: Cost.
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What do TBF and TEWL stand for?

index
We would like to understand very detailed information about biotransformation of alcohols & intoxication of alcohols.
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How does the angle of the VapoMeter with respect to the measurement site affect the measurement?

Delfin technologies Ltd.
During the measurement the measured skin area has to be sealed by the adapter. Apart from this the VapoMeter is orientation independent and the angle of use does not affect the measurement values. This is due to the closed chamber and the measurement principle.
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How does this package differ?

Food Safety: Packaging
The new package replaces air with a mixture of 80% oxygen and 20% carbon dioxide. The package includes ground beef in a solid, plastic tray with skin-tight film, which keeps juices inside the package, reducing cross-contamination and helping to keep refrigerators and freezers cleaner.
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How does Companion differ from cellular?

Black Box Resale Services: Frequently Asked Questions
The Companion System provides wireless communications for users at walking speeds in buildings. Cellular is better suited for wide area needs or users in high-speed vehicles. The Controller and Base Stations operate in a normal office environment with a temperature range of 32-122 F.
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How does Oldways differ from other companies?

OldWays - Food Issues Think Tank
Oldways is quite different from most organizations and non-profits on a number of levels. First, we are an educational organization as well as an advocacy organization. We take a common-sense approach to changing people's lives.
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Q How does this differ from "organic"?

Saffola - Frequently Asked Questions
A Organic farming has a strict and complex definition, that varies from state to state; but organic production does allow use of certain organic pesticides, none of which are allowed in Saffola's "grown without pesticides" claim. Saffola's farming methods share one of the major goals of organic farming, to reduce environmental damage from chemical pesticides.
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How does DermaSPA differ from other brands?

eBay Store - Best Buy By Far: FAQ
You will find two types of sellers of Microfiber Cloths. Those, like BestBuyByFar, that sell a High Quality product and discounters that sell Standard Quality products. Of course high quality product simply cost more. Since we sell to Professional Spas and Salons our product has to meet their, very high, requirements. You, the consumer, may pay a little more but you are getting a True Quality product.
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How does the MMH differ from an MBA?

FAQ
The MMH degree program offers the business-management curriculum you'll find in a typical MBA program, but with an exclusive focus on the hospitality and services industries. Class discussions, projects, and case studies apply to hospitality, first and foremost. The MMH degree is accredited by AACSB International - The Association to Advance Collegiate Schools of Business - which certifies the world's foremost schools and colleges of business.
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What is the accuracy of the VapoMeter?

Delfin technologies Ltd.
Accuracy in measuring evaporation rate through a semipermeable membrane is ± 10% (TEWL > 5 g/m²h) or 0,5 g/m²h (TEWL< 5 g/m²h). This is tested against gravimetric evaporation rate (mass change of water samples covered with vapour permeable membrane). The coefficient variation (CV), when measured from water sample, is less than 6%. When measuring the skin, the CV is typically less than 10%.
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How is the VapoMeter calibrated?

Delfin technologies Ltd.
The VapoMeter is factory calibrated. Each calibration holds for up to 2 years unless the VapoMeter is used in very variable conditions or on a daily basis continuously. We recommend recalibration since every other year or once a year for units in heavy use. The calibration service is performed in specific conditions at the manufacturing plant. Evaporation rates through semipermeable membranes are measured at 3 different levels and at different RH conditions.
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How does an LVAS differ from a total artificial heart?

HeartMate Destination Therapy by Thoratec
Unlike a total artificial heart, the LVAS allows a patient's natural heart to remain in place, where it can help perform other critical biological functions. For example, the HeartMate blood pump works with the biological control mechanisms of the patient's natural heart to increase the heart's pumping capability when required, for activities such as climbing stairs.
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How does endovascular stenting differ from a carotid endarterectomy?

Newswise
A carotid endarterectomy is a surgical procedure in which the carotid artery is exposed and plaque is removed, thereby reducing the risk of a thrombus breaking off and interrupting blood flow to the brain. Patients are often hospitalized for 48 hours after the procedure. Complication rates for carotid endarterectomy are approximately 3 percent.
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How does adult treatment differ from that of adolescents?

SureSmile - Orthodontic FAQ's
Adults have stopped growing and may have experienced some loss of the bone that supports the teeth. Treatment may require coordination between the orthodontist, oral surgeon, periodontist, endodontist and family dentist to assure that a complicated adult orthodontic problem is managed comprehensively
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How does Shotokan karate differ from other martial arts?

Frequently Asked Questions (FAQs) for the University of Conn...
All martial arts have their specialties and unique character. Shotokan is traditional Japanese karate that specializes in punching, striking, kicking and blocking techniques. However, there is much overlap in technique among martial arts styles. For example, we also do sweeping, throwing and joint-locking techniques. In Shotokan, you won't see much of the flashy spinning and jumping about that is popular in martial arts movies - just techniques that are powerful and effective.
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Why does the Widmark Value differ between males and females?

Frequently Asked Questions about DUI Professional
The distribution of ethanol in the body is governed by partitioning between water and fat. Since fat constitutes a higher proportion of the body weight in women than in men, the resultant volume of distribution of ethanol in women is lower than that of men. Accordingly, absorption of a given amount of ethanol will result in a higher blood-alcohol level in women than in men of equal weight. This difference is further enhanced as men typically weight more than women.
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Why does my fuel economy differ from EPA estimates?

Frequently Asked Questions
No test can accurately predict fuel economy for all drivers and all driving conditions. Driver behavior, driving conditions, vehicle maintenance, fuel characteristics, weather, and other factors can all affect fuel economy significantly as explained here.
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How does Iyengar Yoga differ from other styles of yoga?

IYAGNY | FAQ's
The Iyengar method develops strength, endurance, and optimal body alignment, in addition to flexibility and relaxation. The Iyengar method develops self-awareness, intelligent evaluation, and profound inward reflection. Standing poses are emphasized at the beginning to build strength and ease of movement, increase general vitality, and improve circulation, coordination, and balance. Postures for deep relaxation are introduced from the beginning.
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How does public engagement differ from business as usual?

Public Engagement: Frequently Asked Questions
Today's leaders and officials are in the business of "managing" the public, often through various forms of pseudo-engagement such as carefully staged and tightly controlled "town halls." Rather than being given the opportunity to understand the pros and the cons of different policy options, the public is on the receiving end of focus group-tested slogans and talking points. While these strategies sometimes work in the short-term, over time they leave people feeling manipulated and suspicious.
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How does it differ from other messaging systems on the market today?

Black Box Resale Services: Frequently Asked Questions
It incorporates standards to help reduce the total cost of ownership and enables customers to implement the features they need for their business. Standards such as VPIM (Voice Profile for Internet Mail), SNMP (Simple Network Management Protocol) and IMAP4 integrate seamlessly with our customers' existing communications network. Unified messaging is now easy to implement.
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How does it differ from Allopathy?

Dr. Chauhan's: Frequently Asked Questions
Allopathic medicine aim to destroy bacteria and viruses, control physiological process, and maintain body function within the range necessary to sustain life like giving anti spasmodic for cramps, antiemetic for vomiting, antidepressant for depression, analgesic for pain etc. According to them disease disappears if the symptoms are taken away. Homoeopathy helps by increasing the healing power of patient. By doing this homoeopath increases the healing power of patient.
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How Does a Plant Patent Differ From Other Kinds of Patents?

Plant Patent is a source of information about plant variety ...
A plant patent relates to a living plant which as a product of nature obviously cannot be "made" or "manufactured." In a utility patent (regular patent), the grant confers "the right to exclude others from making, using, or selling" the invention; in a plant patent, the grant confers "the right to exclude others from asexually reproducing the plant or selling or using the plant so reproduced, and parts thereof, as described above. \
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b: How does IBS differ from celiac disease?

Irritable Bowel Syndrome : Frequently Asked Questions - Heal...
People with celiac disease experience marked intestinal symptoms such as diarrhea and gas upon the consumption of foods that contain gluten, such as products made from wheat, oats, rye, and barley. Upon the elimination of gluten-containing foods, the symptoms disappear. Some people with IBS may experience an aggravation of symptoms with the consumption of similar wheat-related products and eliminating these products can help alleviate symptoms.
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When is an ultrasound recommended, and how does it differ from a mammogram?

Breast Center - Frequently Asked Questions
Ultrasound forms images of the breast utilizing sound waves, not X-rays. No compression is required; a warm gel is placed on the skin and an ultrasound probe is rubbed over the skin to obtain the image. Ultrasound can often show abnormalities which might go undetected on mammography due to extremely dense breast tissue. Ultrasound is used most commonly in conjunction with mammography, not as a replacement for mammography.
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What is industrial hemp? How does it differ from marijuana?

FAQ's - NORML
Hemp is a distinct variety of the plant species cannabis sativa L. It is a tall, slender fibrous plant similar to flax or kenaf. Farmers worldwide have harvested the crop for the past 12,000 years for fiber and food, and Popular Mechanics once boasted that over 25,000 environmentally friendly products could be derived from hemp. Unlike marijuana, hemp contains only minute (less than 1%) amounts of tetrahydrocannabinol (THC), the primary psychoactive ingredient in marijuana.
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