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Jueves 19 septiembre 2019

From the evolution of human beings, we have experienced the process of walking on all fours to walking upright. After the investigation of the development history of furniture in the world by researchers, we found that sitting down in daily activities is conducive to reducing fatigue...

Miércoles 18 septiembre 2019

Cantidad : 12, 0000pc - Precio : USD5~30

DURABLE AND GOOD TEXTURE Made of PU leather, no smell, no peeling, durable to use. The PU leather surface makes the appearance of wireless charger look so extraordinary. Its design makes it perfect for either home or office and easy to use, just place your device on the charging pad...

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...

Jueves 12 septiembre 2019

Our own number: 535 1. Re-manufactured Sany 45 meters concrete pump, Isuzu chassis, 4RZ boom ground jack is leg lifting. First-level standard maintenance. High working stability. 2. 20 hours pressurized with water and debugging, exempted from inspection in perfect condition. New tires...

Jueves 12 septiembre 2019

Concrete mixer lorry pump truck is a special truck used to transport concrete used in construction, Because of its appearance, it is often called the field screw truck, olive truck. These trucks are equipped with cylindrical agitators to carry the mixed concrete. During the transportation...

Miércoles 11 septiembre 2019

Cantidad : 2500km/wee - Precio : <$200

Product Introduction Air Blowing cable technology is a new way to make significant improvements in traditional fiber optic systems, facilitating the rapid adoption of fiber optic networks and providing users with a flexible, secure, cost-effective cabling system. The blowing system...

Miércoles 11 septiembre 2019

Flash chromatography is one of the methods in the preparation of liquid chromatography and is usually used for the separation of organic compounds. Flash chromatography has the advantages of ease of operation, low cost, and fast analysis. There are few other techniques for purifying...

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;...

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 30 agosto 2019

Penglai Huande Steel Valve Co., Ltd exports swing check valves and the benefits of our swing check valves are as follows: 1. Our swing check valves protect pumps and compressor equipment from damage caused by backflow/reverse flow. 2. It reduces downtime and loss of production due...

Viernes 30 agosto 2019

Cantidad : 100-1,000, - Precio : 20s

Semi flex PCB is a flex-rigid PCB, typically 4 layers, made entirely of FR4. Unlike conventional flex-rigid PCBs, the flexing element is not polyimide but a thin FR4 core with two layers of copper specially treated to flex without cracking. A less robust solution uses a depth-milled...

Martes 27 agosto 2019

5 axis cnc router is also called 5 axis CNC router, 5 axis CNC machining center or 5 axis CNC milling machine. 5 axis CNC router is somewhat like the 3/4 axis CNC router, but 5 axis CNC router has two additional axis they can move along. These additional axis allow for shorter project...

Jueves 22 agosto 2019

Cantidad : 100 - Precio : USD44,000 to USD17,0

Define of 6 Section Boom Concrete Pump Truck The six section pump truck, as the name implies, is a product type of the pump truck. With the help of six steel arms, it creatively USES bionics technology to integrate the mechanism of human hand movement and insect foot movement into...

Martes 20 agosto 2019

Cantidad : 80000Pcs - Precio : 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...

Lunes 19 agosto 2019

Define of 6 Section Boom Concrete Pump Truck The six section pump truck, as the name implies, is a product type of the pump truck. With the help of six steel arms, it creatively USES bionics technology to integrate the mechanism of human hand movement and insect foot movement into...

Miércoles 14 agosto 2019

Flash column chromatography is an alternative to long column chromatography developed in 1978. This method aims to separate the components from the mixture and thereby purify it. It is built from existing long column chromatography techniques and is time-consuming and often unsatisfactory...

Miércoles 14 agosto 2019

Physical properties of the chromatographic column could affect the performance of C18 HPLC columns. - Performance factors of C18 HPLC columns: - Silica gel purity Class A silica gel has high residual silica hydroxyl with a negative charge and high metal content on the acidic surface...

Martes 13 agosto 2019

Cantidad : 1 - Precio : 1000-6000USD

4500 lumens, 1920*1080 native resolution, 0.25 ultra short throw laser projector DM907 laser video projector has 4500 ANSI lumens with 1920*1080 native resolution, and it also has the built-in edge blending function. The function of 17*17 geometric correction can change the image...

Lunes 12 agosto 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Sábado 10 agosto 2019

Cantidad : At least o - Precio : 50-150000 USD

1.5T AC ELECTRIC REACH TRUCK - STAND-UP TYPE 1.5T reach truck-stand-up type, flexible, compact in appearance，no emissions，low noise，working in narrow field, suitable for tobacco, textile, food, supermarket and other industries; Due to the stand-up driving, good vision, particularly...

Sábado 10 agosto 2019

Cantidad : Proofing b - Precio : 500-1500CNY

Custom flex pcb china from PCBSKY, pcb manufacturer in china shenzhen, a TRUE PCB MANUFACTURER. Because of the advantages (for example, cost, space, and weight savings) that flexible and Rigid-Flex-circuit boards have for some projects, they are used ever more frequently. PCBSKY can...

Jueves 08 agosto 2019

Flash columns adopt high-capacity silica gel for precise filling, which has very excellent separation and purification performance. The specific surface area of high-capacity spherical silica gel is 40% higher than that of ordinary spherical silica gel, and the sample loading is twice...

Lunes 05 agosto 2019

Hawach filter paper is used for removing contaminated particles from liquids and gases. The design of a filter paper must try its best to strike a balance among various indexes so as to effectively protect the system to be filtered. Production of a filter paper It is that a variety...

Viernes 02 agosto 2019

Usually, the sample contains something that is not of interest to the analyst. Salt, lipids, lipid-containing substances, humic acid, hydrophobic proteins, and other biological substances are some substances that may interact with the HPLC column in use. These substances have less...

Martes 16 julio 2019

Dynamic light scattering (DLS), also known as photon correlation spectroscopy (PCS), is a commonly used characterization method for nanoparticles. DLS particle size analyzer has the advantages of accuracy, rapidity, and good repeatability With the update of the instrument and the...

Martes 16 julio 2019

Particle size measurement using static light scattering The particle size distribution as a parameter to specify a powder or dispersion plays a central role in many applications. Examples are construction material (sands, cements), pharmaceutical development, lime stones, ceramics...

Lunes 15 julio 2019

Laboratory data show that the optimum flow rate of silica gel flash columns is decided by the length and width of columns and the property of gel. To be more specific, longer and narrower columns will provide more theoretical plates which are able to affect the flow rate. When referring...

Martes 09 julio 2019

Rapid chromatography Technology for the separation and purification of natural products and biological macromolecules. It has the advantages of easy operation, cheap price, and rapid analysis, and a few other technologies can match the rapid chromatography in the application of purifying...

Lunes 08 julio 2019

Description of One Motor One Leg Electric Height Adjustable Standing Desk: One motor electric adjustable standing one leg desk is suitable for platform. Supported by YN-D07 environmental control box, it can be easily moved to the desired height by pressing a button on the controller...