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Henan Tongwei Medical Equipment Co., LtdCall us : +86 − −19139704654 // Email us : [email protected]
Henan Tongwei Medical Equipment Co., LtdCall us : +86 − −19139704654 // Email us : [email protected]
Vanadium dioxide (VO 2) is a promising phase-change material (PCM) in controlling radiative heat transfer because of the large permittivity contrast between the phases and the moderate metal-insulator transition temperature of 340 K Widely adopted bare VO 2 films on a dielectric substrate permit more radiative heat in the insulating state compared to that in the metallic state
Makeup Air for Range Hoods I have designed sealed houses for a long time Naturally we use heat exchangers for the bathroom fans But the presence of grease in the kitchen exhaust prevents their use So we tried several solutions after pulling the ashes and smell from the
Because the need for multi-axis and also precision robots in production and quality processes is on the increase industry is looking out for new types of robotics PI offers parallel-kinematic hexapods for these tasks Scientific Instrumentation Scientific Instrumentation The term scientific instrumentation covers a variety of different applications starting with microscopy via beamline
Since the birth of the PCB there has been a need to test for residual ionic contamination which can lead to corrosion and dendrite growth Whether on bare boards or finished assemblies contamination can cause current leakage across insulating surfaces — resulting in shorts This article explains advancements in ionic cleanliness testing including heated dynamic ionic contamination test
Need for cleanroom basics rises Phoenix Demand for information on the basics of contamination control is high now "The demand for trainers [for personnel protocol and behavior in cleanrooms] is incessant " according to Caris L Thompson president of Envirosafe Technical Cleaning Inc (Chandler AZ) Thompson was an exhibitor at the 44th Annual Technical Meeting and Exposition of the
Isn't air conditioning supposed to remove humidity? So why is yours not doing the job? If you're sweating your way through another muggy August read on to learn more about HVAC humidity control and why your AC might not be up to the task
To reduce the number of particles entering a cleanroom all items which have been outside the controlled environment typically need to be wiped with a dust-free wipe moistened with deionized water (DIW) and IPA in the cleanroom airlock Therefore it is essential that 3-D printed materials tolerate these chemicals The chemical resistance of the selected 3-D printing materials (i e PLA
The basics Put simply relative humidity (RH) is a measure of the water vapor content of air More explicitly it is the amount of water vapor Lee mas Blog | Jul 17 2018 ISO/IEC 17025:2017 Webinar Questions Answers We recently had a webinar on the 2017 revision to ISO/IEC 17025 You can watch the webinar recording and get the presentation PDF now During Lee mas Blog | Apr 12 2018
Ion exchange systems are used for efficient removal of dissolved ions from water Ion exchangers exchange one ion for another hold it temporarily and then release it to a regenerant solution In an ion exchange system undesirable ions in the water supply are replaced with more acceptable ions For example in a sodium zeolite softener scale
Manufacturing and quality affect any topic concerned with system life cycle issues Manufacturing is an important part of a systems life cycle and the cost of a system Quality also has links to many other topics Any time there is a need to make a good product say in software safety ultra-dependability or reliability quality becomes an issue This happens a great deal with software
Basics of Cleanroom Technology Accordingly the relevant volume of air rises to 2 160 000 000 m3 (approx 2 thousand million m3) This would be the volume of a train from the earth to the moon Result: 3 mm A pin in 20 million freight cars You have to look for ONE pin in 20 million freight cars (approx 360 000 km) to comply to class 10 environment! This would take 200 years if you
Lots of food and beverage applications need high-quality CO2 measurements and many in the industry still have questions about how to best go Consulte Mais informao Blog | Nov 20 2018 7 Data Integrity Hacks for GxP Compliance Last week we had a webinar on data integrity giving our Senior Regulatory Expert Paul Daniel the opportunity to answer questions on data Consulte Mais
PI has many standard and customer-specific positioning solutions on offer that are equipped with magnetic direct drives the company has also many years of experience in the design construction and manufacture of the necessary system components such as guides sensors control technology and software PI can also develop proprietary magnetic motors if positioning systems need to achieve
Alternative Energy Technologies are Turning to Efficient Eco-Friendly Wiring Solutions: Part 1 Those batteries need to be efficient so most users and companies turn to deep cycle storage cells (lead-acid) as they are designed to be regularly discharged over long-term usage To use that collected solar power in-home users turn to power inverters that convert the dc current into usable
Beginner's guide to Differential Pressure Transmitters This article is a straightforward and informal guide with illustrations aimed at helping beginners to understand Differential Pressure Transmitters principles 1 What is pressure? Pressure is experienced when a force is applied on an area This means that we can increase the pressure by either increasing the force or by reducing the area
How to Cool Down a Room Here are a few tips to help you beat the heat and keep your home cooler when the air conditioning is not working well enough or has gone out completely: 1 Close the Windows When the air-conditioning is on the fritz you should keep the sun from coming through your windows If you use blinds they can help you with this tremendously But you'll need to keep the
Top 10 considerations when validating an autoclave Validating an autoclave is a daunting and time-consuming task This white paper details the tricks tips and traps to such a validation project from how to choose your control to which load configuration to use for your validation runs PharmOut white paper: Top 10 considerations when validating an autoclave PharmOut Pty Ltd ABN: 85 117 673
Counting Efficiency: MET ONE Air Particle Counters and Compliance to ISO-21501 Typically the back page of any analytical instrument's data sheet reveals a bewildering array of specifications Air Particle Counters () are no different Many of the parameters used to define performance are relatively easy to understand for example
Industrial Pharmacy If you are a pharmaceutical scientist or executive working in or liaising with Industry your job will be made easier more productive and more enjoyable by reading Industrial Pharmacy The journal covers a variety of topics of interest to those working in the worldwide pharma industry (for Contents of the current issue please click on the pdf below)
A lot of cleanrooms I have seen have those cleanroom sticky mats which pull dirt and dust from your shoes when you walk over them Google cleanroom sticky mat for suppliers As far as ersatz goes someone from slashdot had this method for making an improv cleanroom: Hope this gives you some ideas 152 16 15 23 17:48 1 February 2009 (UTC)
Pat Breen TD Minister of State at the Department of Jobs Enterprise and Innovation has accepted the recommendation made by the Labour Court regarding rates of pay for workers employed in the construction sector The recommendation is the first such recommendation from the Labour Court under the new framework that was put in place in 2015 to replace the Registered Employment Agreement
How to diagnose high head pressures at the air conditioning or heat pump compressor: What are the causes of high head pressure at an air conditioner or heat pump compressor motor? This article lists twelve causes of high head pressure and explains their causes effects and diagnosis Some of these such as a bad TXV or clogs in the refrigeration system are cited as the most common causes of
How to Improve the Air Circulation in Your Home by Lauren Busser The House Designers' Editorial Director Nowadays many homes are designed to be energy efficient and well insulated That is good for your heating and cooling bills but not necessarily good for your home's indoor air quality
5S Workplaces: When Safety and Lean Meet The five in a 5S workplace organizational and housekeeping methodology refers to five steps – sort set in order shine standardize and sustain Safety should be the honorary sixth "S " John Grover Jun 25 2012 Many manufacturing facilities have opted to follow the path towards a "5S" workplace organizational and housekeeping methodology
Blister packaging revival 11-Apr-2019 Packaging Kori Anderson of Honeywell presents a new barrier film technology that delivers cost-efficiency to manufacturers and better experience for patients Honeywell's new blister packaging technology Aclar Accel Packaging for the healthcare market needs to meet strict criteria It must provide high levels of protection and security meet
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