REMOVE - 4166 Annonces

Mardi 20 août 2019

Quantité : 80000Pcs - Prix : 3-50USD

For analogue hearing aids buy, don't hesitate to contact. A traditional simply makes the sound wave larger to amplify sounds. The conventional analog hearing aids are designed with a specific frequency response based on the listener's audiogram. In turn, the audiologist directs the...

Samedi 17 août 2019

Quantité : 500kg

Multifunctional Insulator Cleaning Agent (RS-10) is mainly used for eradicating dirt, dust and contaminations on surface of the power equipment, especially clean that which surface was heavily polluted. After cleaning, RS-10 can significantly enhance the adhesion between the RTV coatings...

Vendredi 16 août 2019

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-D10 Digital Trimmer 3 Modes Ear Hook Trimmer Hearing Aids Hearing Amplifier - Max Sound Output 128±3dB Voltage D.C.1.4V Sound Gain 57±5dB Battery Type LR44H/A675 Total Harmonic Wave Distortion 500Hz ＜6% 800Hz ＜4% 1600Hz ＜1% Battery capacity/Mah...

Vendredi 16 août 2019

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier - Max Sound Output 130±3dB Sound Gain 40±5dB Total Harmonic Wave Distortion 500HZ<3%</span> 800HZ<5%</span> 1600HZ<1%</span> Operation Current/mA...

Vendredi 16 août 2019

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-907 ITE Mini Hearing Aid Hearing Amplifier - Max Sound Output 120 ± 5dB Voltage 1.5V Sound Gain ≥35dB/28 Battery size A10 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 100 Operation Current ≤6mA Operation current/mA 3.5 Frequency...

Vendredi 16 août 2019

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-116 Personal Sound Amplifier Behind The Ear Hearing Aid - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current...

Jeudi 15 août 2019

Glass solvent filters are used for solvent particle removal and water phase mobile phase filtration. All components of glass solvent filters in contact with solvents are made of chemically inert glass or PTFE materials, which are used in combination with regenerated cellulose (RC)...

Mercredi 14 août 2019

Syringe filters are available out-of-the-box, no need for membrane changes and cleaning, and allow easy purification or detoxification of various solutions, including cell and microbial media, reagents, and additives, protein solutions and buffers. - Maintenance of a syringe filter - 1...

Mercredi 14 août 2019

A gas filter housing is an advanced, efficient and easy to operate automatic filter device. It is widely used in metallurgy, chemical industry, petroleum, papermaking, medicine, food, mining, electric power, urban water supply fields. A gas filter housing is composed of shell, multi-element...

Mercredi 14 août 2019

Hawach MCE membrane filters belong to the terminal filtration membrane, fast flow rate and not easy to absorb. The surface is smooth, the texture is thin, the void ratio is high and the microporous structure is uniform. Application of MCE membrane filters Filtrating bacteria and particles...

Mardi 13 août 2019

Pipettes are widely used in the laboratory. Proper operation and use of pipettes can improve work efficiency. What are the six common operational misunderstandings of pipettes? Pipettes are widely used in laboratories. The correct operation and the use of pipettes can improve work efficiency...

Samedi 10 août 2019

Quantité : 10000 - Prix : 1-10000 USD

Single-pulse bag filter is widely used in mining, electric furnace smelting, machinery manufacturing, chemical products, cement, building materials, grain processing and other industrial and mining enterprises warehouse top, bottom, belt transmission and local dust source dust. It...

Vendredi 09 août 2019

Vacuum pump use precautions The function of the vacuum pump is to remove gas molecules from the vacuum chamber and reduce the gas pressure in the vacuum chamber to achieve the required vacuum. In general, there is a large range from atmospheric to very high vacuum, and so far no vacuum...

Vendredi 09 août 2019

What is the bottle-top dispenser? During a scientific experiment, a bottle-top dispenser can indicate its excellent precision and high-repetition of separating operation without wasting solvents. While handling with some corrosive liquids or solvents, it provides safety assurance...

Jeudi 08 août 2019

As a single-use filter cartridge, Syringe filters are utilized to remove particles from the sample prior to high-performance liquid chromatography (HPLC). The scientists like to attach them to the end of the syringes for general filtration, as syringe filters are affordable and convenient...

Mercredi 07 août 2019

Pipe ttes are often used to remove a small amount of liquid in the laboratory. Micropipette first appeared in 1956, invented by Schnitger who is a scientist of the Institute of physiology and chemistry, Germany. Pipettes of different specifications are equipped with different sizes...

Mercredi 07 août 2019

Food safety testing is a major issue related to people's livelihood. In recent years, the QuEChERS method has been widely used in the pretreatment of food safety detection samples. In addition, the method has been applied to trace analysis. QuEChERS Application The international application...

Samedi 03 août 2019

Since July, the demand for sand and gravel has continued to rise, and the price of sand and gravel has risen linearly. Many people are optimistic about the opportunity to build a mechanism sand plant. Take the river pebble as an example. How much profit does a ton of river pebble make...

Samedi 03 août 2019

An air filter housing is a kind of air filtration device, as one of pneumatic three pieces, which are generally used to prevent dust for workshops, plants, operating rooms, laboratories or electronic mechanical communication equipment. - Filtration precision - The key to affect the...

Samedi 03 août 2019

In the application of membrane separation technology, the microporous membrane is the most widely used membrane variety. It is simple and fast to use and is widely used in many fields such as scientific research, food testing, chemical industry, nanotechnology, energy, and environmental...

Vendredi 02 août 2019

Syringe filter is a kind of disposal filter cartridge, which is attached at the end of injector for using. It is optional to use syringe needles, if it is possible, it could be installed in the end. It is generally made of plastic shells and thin films which acts as filters. Due to...

Jeudi 01 août 2019

The ceramic microfiltration membrane element ( MF membrane) is made from alumina and zirconia which is an asymmetric membrane structure with multi-channel tubular shape. The pore is on the channel. Driven by operation pressure, the liquid is running in the membrane. The part less...

Jeudi 01 août 2019

Hawach bottle-top dispensers help to simplify the routine liquid transfer operation and are widely used in all kinds of liquid reagents – buffer solution, medium, vitamin solution, acid, alkali, salt solution or a variety of polar solution. Bottle-top dispensers can meet the needs...

Jeudi 01 août 2019

Quantitative filter papers are widely used for quantitative and gravimetric analysis in the lab. To make them ash-less and achieve high purity, a special production process with acid is required in production, washing with HF or HCl acids, cleaning with demineralized water followed...

Jeudi 01 août 2019

It is important for the experimenters to use and maintain chromatographic columns correctly. They should focus on many some things so as to protect the columns in the using process. Here we talk about several attentions. Avoid changing pressure and temperature dramatically and any...

Mercredi 31 juillet 2019

PDC Cutter (Polycrystalline Diamond Compact Cutter) PDC cutter contains polycrystalline diamond layer and tungsten carbide backing. It features both the high shock resistance of tungsten carbide and the highest hardness & abrasion resistance of diamond. Application: Oil ...

Mercredi 31 juillet 2019

- Description of Top Entry Ball Valve: - ZECO top entry ball valve is widely used in oil and natural gas pipelines (industrial valve). Top entry ball valve and side entry ball valve are also divided into floating structure and trunnion mounted structure, the main difference between...

Vendredi 26 juillet 2019

What's a central dehumidifier? Through the pipelines installed in each room, the humid air is extracted, and the moisture in the air is used to condense and frost when entering the dehumidifier evaporator, thereby reducing the humidity in the air and providing a more suitable living...

Vendredi 26 juillet 2019

As we all know moisture in the house can create humidity,and this muggy air can make you uncomfortable especially on those warm summer days, the moisture in the air makes it feel much hotter than what the thermometer says.Aside from the lack of comfort, a rise in excess air moisture...

Lundi 08 juillet 2019

The feature of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier 1. Modeling exquisite, the button is obvious, easy to operate; 2. Open fit hearing aid can change the ear tube as you need, comfortable wear; 3. Corresponding uncomfortable threshold...