REASONS - 1471 Anuncios

Martes 17 septiembre 2019

Cantidad : 1pc - Precio : US $1 - 3,000 / Set

The concentric butterfly valve is characterized by the stem center, disc center and body center in the same position. Such structures are simple to make. The common wafer rubber lined butterfly valves are of this type. The drawback is that the disc and seat are always in the extrusion...

Martes 17 septiembre 2019

Side Dump Semi Trailer is suitable for a case where the vehicle is difficult to turn around or needs to be changed with the direction of unloading. According to a different needs, the cargo box could be regular rectangle shape, U shape, multiple doors type, etc.. What should we pay...

Martes 17 septiembre 2019

We have stretch flatbed trailer for sale! Are you looking for container tractor trailer? Here it is. According to the structural characteristics, Container Semi-Trailer can be divided into Flatbed semi-trailers and Skeleton Semi-Trailer. The main difference between the Flatbed Semi...

Sábado 07 septiembre 2019

Cantidad : 15 - Precio : 0-500usd

Beijing Palm International Group Ltd. has over 20 years of experience and are now a professional manufacturer in the artificial garden plants and artificial green plants. We provide high quality artificial plants for sale , and flexibility to customize artificial tree solutions to...

Viernes 06 septiembre 2019

Cantidad : 1000 - Precio : 100USD-10000USD

The Features of High Precision Benchtop Spectrophotometer Colorimeter It has high precision and uses the setting of the pre-positioning board, which eliminates the need to use the standard blackboard and whiteboard during the calibration of the traditional colorimeter and color difference meter...

Miércoles 04 septiembre 2019

In the past decade, the global cosmetic market has shown a tough and stable growth, and there was no stagnant or negative growth in one year. Even though the growth slowed down in the crisis year of 2008-2009, it quickly returned to the historical normal growth level in the recovery...

Miércoles 04 septiembre 2019

In the past decade, the global cosmetic market has shown a tough and stable growth, and there was no stagnant or negative growth in one year. Even though the growth slowed down in the crisis year of 2008-2009, it quickly returned to the historical normal growth level in the recovery...

Miércoles 04 septiembre 2019

In the past decade, the global cosmetic market has shown a tough and stable growth, and there was no stagnant or negative growth in one year. Even though the growth slowed down in the crisis year of 2008-2009, it quickly returned to the historical normal growth level in the recovery...

Miércoles 04 septiembre 2019

In the past decade, the global cosmetic market has shown a tough and stable growth, and there was no stagnant or negative growth in one year. Even though the growth slowed down in the crisis year of 2008-2009, it quickly returned to the historical normal growth level in the recovery...

Martes 03 septiembre 2019

Overview of pir human motion sensor HM612 is a newest smart digital motion detector. This Smart digital detector offers a complete motion detector solution, with all electronic circuitry built into the detector housing. Only a power supply and power-switching components need to be...

Viernes 30 agosto 2019

We all know that the electric ball valves are used to control the flow of liquids and gases. Actuated ball valves are energy efficient and robust because they only cost energy during the opening or closing of the valve. We can equip an electric actuator to our ball valves according...

Jueves 22 agosto 2019

The main reason to using a ASTM A860 WPHY 52 Fittings is that it doesn't leak. As these MSS SP75 WPHY 52 Welded Pipe Fittings is welded directly to pipe and not simply bolted together, which make it much stronger than a typical fitting, and also allows for better flow through the...

Viernes 16 agosto 2019

Cantidad : 40HQ - Precio : 0.09-0.40USD/PC

Pp woven packaging bags are made of pp woven fabric which has been laminated with gravure printed BOPP film. PP Shopping bags are needed not only for the function of sheltering, but also for the role of brand promotion. Bopp Shopping Bags are taking the promotional products industry by storm...

Jueves 15 agosto 2019

In the detection of air pollution, taking samples with glass fiber extraction thimble is a common method. And here we will focus on one reason having an influence on weighing the extraction thimbles, which is the air humidity. As we all know, the environment when analyzing is limited...

Martes 13 agosto 2019

In the labs, experimenters always take samples with fiberglass extraction thimbles. And weighing the extraction thimbles is quite important for the results of the experiments. Does the cooling time have obvious influences when weighing the extraction thimbles that are taken out of the ovens...

Martes 13 agosto 2019

Syringe filter is suitable for filtering a small number of samples in the laboratory because of its low adsorbability. The low adsorbability ensures a large amount of recovery of small or high-value samples. The shell of the filter will not pollute the samples. It has stable quality...

Lunes 12 agosto 2019

Syringe filter is a kind of filter connected to the front of the syringe. When the experimenters deal with the chromatographic samples with syringe filter, they should pay attention to avoiding bringing impurities in the process of filtration. One reason for the appearance of such...

Martes 06 agosto 2019

Cantidad : 15/ week - Precio : $150-$450/m

Introduction of outdoor artificial coconut palm trees Artificial coconut palm trees are a great way to add height, shade and tropical fun to the commercial space. Available up to 40 feet in height, these realistic artificial outdoor plants are wonderful landscapes that do not need...

Lunes 05 agosto 2019

How important it is to conduct your own experiments with a handy pipette! However, even the most perfect instrument needs proper operation and maintenance. When using a pip ette, we should pay attention to the following points: 1. Do not turn the button out of the range; otherwise...

Viernes 02 agosto 2019

Flash column pressure has something to do with the form of silica gel, the mesh number, the synthesis condition of filler, the condition of column packing, the mobile phase, and the temperature when analyzing. Different manufacturers' new flash columns, their column pressures may...

Jueves 01 agosto 2019

There are two different cases of retention time: retention time drift and retention time fluctuations. The former means that the retention time changes only in one direction, while the latter refers to the fluctuation of the retention time without a fixed law. It is often helpful...

Jueves 11 julio 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Jueves 11 julio 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Lunes 08 julio 2019

Description of One Motor Two Leg Electric Height Adjustable Standing Desk Frame： With our Electric Height Adjustable Standing in the market promotion of increasingly mature, people are familiar with the magic effect of our products. Not only good for your health, but it also gives you energy...

Lunes 08 julio 2019

QuEChERS is a pretreatment that has the characteristics of Quick、Easy、Cheap、Effective、Rugged and Safe, which is the reason why it is becoming more and more popular in the new testing methods. It was developed by Professor Anastassiades in 2003, which was used in agricultural testing at first...

Lunes 08 julio 2019

People should face are a lot of problems when using SPE cartridges. As a consequence, we will talk about why the cartridge has a low recovery rate in the experiments. The first reason for the low recovery rate is that the target object does not remain sufficiently on the fillers....

Viernes 05 julio 2019

Generally speaking, bottle-top dispenser which is a scientific device could improve the wide application, safety performance, speed and reliability. In addition, it could save your time and work, even protect you and your samples. To be more specific, the advantages of the bottle-top...

Viernes 05 julio 2019

The equipment and equipment in the laboratory are as comprehensive as the natural world. They say that the sparrows are small and complete, but in the laboratory, the same small but indispensable instrument has a micropipette</ strong> for biochemistry. An essential tool for...

Jueves 04 julio 2019

The silicon hydroxyl group with strongly polar on the surface of glass sample vials will adsorb the samples. Based on such reasons, people produce hydrophobic glass surface through silylating the sample vials in order to eliminate the adsorption of the sample vials, which is widely...

Martes 02 julio 2019

Pip ettes are often used in laboratories, schools, research institutes, hospitals, etc. Among the many pipette types, multi-channel pipettes are pipettes with multiple tips, so some users are in use. It is found that the pipette tip suction amount is inconsistent. What causes the...