RESULTS - 4506 Anuncios

Viernes 20 septiembre 2019

PQWT-KD series automatic mapping cave detector is based on the earth's electromagnetic field source, based on the difference in the conductivity of different underground geological structures, and by studying the variation law of the electric field components at different frequencies...

Viernes 20 septiembre 2019

Syringe filter can be used in the analysis of high performance liquid chromatography and IC. It is an important step in sample pretreatment to filter sample solution. The syringe filter with high quality is produced by using the most advanced detection means and production technology...

Viernes 20 septiembre 2019

Precio : 30-210 USD

Custom low cost metal pcb from professional pcb manufacturer china shenzhen, PCBSKY provides best service metal core pcb prototype. MCPCB, Metal aluminium Core PCB, thermal PCB - whichever name you prefer, they are all boards which use a base metal material as the heat spreader portion...

Jueves 19 septiembre 2019

3 principaux Avantages: 1/fabricant de Kit de nettoyage des dents 2/enlever les couleurs des dents avec de l'eau seulement, pas de peroxyde 3/enlever le foncé/cafés/thé/taches deen quelques minutes Principales caractéristiques et avantage,Comparaison avec d'autres produits de nettoyage...

Jueves 19 septiembre 2019

nous sommes une grande société spécialisé dans l'exportation de métaux ( Déchets - récupération, traitement : Métaux ferreux et non ferreux- récupération, traitement) Nos clients se trouvent partout dans le monde, ( Asie, les Pays du Golf, l'Europe, Royaume-Uni... etc) nous avons...

Jueves 19 septiembre 2019

The filter paper used in the analytical laboratory performs a strong absorption effect for liquids, which can separate the solution from the solid. The filter paper produced domestically could be divided into three types, including qualitative filter paper, and quantitative filter paper...

Miércoles 18 septiembre 2019

Selection of scavengers The conventional QuEChERS method only uses PSA which is too simple single that can no longer meet the complex matrix samples examination experiments. GCB (graphitized carbon black) can effectively adsorb pigments, non-polar interferences such as sterol due...

Miércoles 18 septiembre 2019

In the analysis of HPLC, the packing size of chromatographic column is small, and it is easy to be blocked by impurity particles. Therefore, samples and solvents need to be pre-filtered to remove particulate pollutants and protect chromatographic columns and instruments. Ion chromatography...

Martes 17 septiembre 2019

Cantidad : 5 litre - Precio : 25,00 €

Durante años, el aceite de argán de calidad se ha utilizado para ayudar a infundir al cuerpo un asistente natural que ayuda a mejorar la calidad de nuestra piel y mucho más. Como resultado del uso de aceite de argán a granel, puede asegurarse de que su cabello y piel se vean lo mejor posible...

Martes 17 septiembre 2019

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

Basic information This sustaining valve is opened to prevent the pipeline and equipment from being damaged due to overpressure when the pressure in the water supply pipeline exceeds the set pressure of pressure relief. The valve closes automatically when pressure drops to the set value...

Martes 17 septiembre 2019

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

Basic Information of the no slam check valve This non slam valve prevents backflow of media and reduces water hammer to achieve the safe and quiet effect. Features 1. Small fluid resistance, large flow; 2. Automatic control using medium energy; 3. Prevent water hammer phenomenon; 4...

Martes 17 septiembre 2019

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

ZECO is currently the only manufacturer in China with accurate KV data and support debugging services. We have our own dynamic water testing system, and all the differential pressure control valvesa and Balancing Valves used in the heating system and heating system are tested with accurate data...

Martes 17 septiembre 2019

Hawach Scientific product quality in strict accordance with ISO9001: 2000 quality system certification procedures, and from now on we have exported to more than 120 countries. Overview of qualitative filter paper, analysis laboratory commonly used filter paper as a filter medium,...

Lunes 16 septiembre 2019

The syringe filter is mainly used for the filtration of solvent samples, which holds a crucial position in the sample prefiltration procedure, especially in the HPLC sample analysis. There are two basic aspects of the syringe filter that should be learned and memorized clearly. Composition...

Lunes 16 septiembre 2019

Push-in Type The design of push-in automatic sample vial is also common, which is very similar to the manual sample vial. The syringe moves to the sample vial inhale a predetermined amount of sample, then moves to the injection port, and injects the sample into the sample ring. The...

Viernes 13 septiembre 2019

Some samples (such as avocado, peanuts, olive oil, etc.) contain more fat. Due to the limited solubility of fat in acetonitrile, the recovery rate of some fat-soluble pesticides (such as HCB, DDT, etc.) is reduced. How to overcome the low experimental results caused by fat? You can...

Jueves 12 septiembre 2019

The comprehensive energy consumption of the pumping hydraulic system of the upgraded 56 meter concrete pump truck decreased by 4% year on year. Pumping control system efficiency increased by 5% ~ 8%. The vibration damping system of the arm frame reduces the vibration amplitude of...

Jueves 12 septiembre 2019

Vacuum filtration is a chemistry technique that can allow for a greater rate of filtration in the lab. In normal filtration, the gravity can provide the force drawing the liquid through the filter paper, but a pressure gradient performs this function in vacuum filtration, offering...

Jueves 12 septiembre 2019

Hawach Scientific is the production of filter paper professional manufacturers with advanced production technology and perfect testing equipment. Quantitative filter paper is suitable for a wide range of critical gravimetric analytical filtration procedures. In the manufacturing process...

Miércoles 11 septiembre 2019

Precio : 2200-2500USD

ZY Play is a kind of perfect camera gimbal. ZY Play for IOS 2.7.1 Version iOS 9.0 or Higher be compatible with the following equipments: iPhone XS Max, iPhone XS, iPhone XR, iPhone X, iPhone SE, iPhone 8 Plus, iPhone 8, iPhone 7 Plus, iPhone 7, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus...

Martes 10 septiembre 2019

1. Advantages and disadvantages of commonly used extraction solvents Acetonitrile: easy to salt out; compatible with LC/MS; difficult to concentrate Acetone: not easy to salt out; easy to volatilize, concentrate Ethyl acetate: immiscible with water; less extraction of impurities;...

Lunes 09 septiembre 2019

A commercial deck oven is a crucial piece of baking equipment when seeking to attain a beautiful, crusty loaf of bread. Having a quality deck oven is just as necessary for a bread bakery as heavy duty spiral mixer. While these ovens tend to take up more real estate in a bakery and...

Lunes 09 septiembre 2019

A commercial deck oven is a crucial piece of baking equipment when seeking to attain a beautiful, crusty loaf of bread. Having a quality deck oven is just as necessary for a bread bakery as heavy duty spiral mixer. While these ovens tend to take up more real estate in a bakery and...

Lunes 09 septiembre 2019

Nano-particle Size Analyzer Nanoptic 90 is a nanoparticle analyzer based on the well-known technique of dynamic light scattering (DLS). Nanoptic 90 can measure nano materials with size down to 1nm. The high-power long lifetime laser and high sensitivity PMT provide Nanoptic 90 the...

Lunes 09 septiembre 2019

Laser Particle Size Analyzer (Dry & Wet Dispersions) The integrated and robust laser particle size analyzer, Bettersizer 2600, can deliver reliable particle size measurement results from submicron to millimeter. Driven by the innovative optical system and Standard Operation Procedure (SOP)...

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...

Viernes 06 septiembre 2019

Cantidad : 1000 pcs - Precio : USD80-USD230

Brushless DC electric motor (BLDC motors, BL motors) also known as electronically commutated motors (ECMs, EC motors), or synchronous DC motors, are sensored brushless motor powered by DC electricity via an inverter or switching power supply which produces an AC electric current to...

Viernes 06 septiembre 2019

Precio : USD0.5~30

A fake fur earmuff is a must have when in a badly cold winter. When covered by the custom ear warmers, your ears are well protected from frostbite. Furthermore, this earmuff style could give the wearer a sense of fashion by coordinating with the clothes, bags, earrings, glasses, etc...

Jueves 05 septiembre 2019

Exothermic welding, also called hot melt welding, fire-clay welding, thermite welding and explosion welding, is a high-heat principle that utilizes the redox reaction between metals, the operation of which is simple, easy to learn, safe and efficient, and it has significant results...

Martes 03 septiembre 2019

Chemical properties of the chromatographic column could affect the performance of the C18 HPLC column. Performance factors of C18 HPLC columns: bonding type Single tooth bonding can improve the mass transfer rate and accelerate column balance. Double tooth bonding can increase the...