LEARN - 1148 Anuncios

Jueves 26 septiembre 2019

Cantidad : 800 set/mo - Precio : 200USD

Tripod turnstile models are space efficient security barriers, tripod barrier gate is specially used for the opening and closing of personnel exits and entrances, such as canteens, hotels, office buildings, museums, stadiums, clubs, subways, stations, terminals, tourist attractions...

Jueves 26 septiembre 2019

Dinosaur plush toys are the toys designed as the dinosaurs. Generally they can be classified by its styles as cartoon and lifelike. Or they can also be classified by its species. The kids may learn to tell the species names by playing with the toys. They can learn what a tyrannosaurus...

Jueves 26 septiembre 2019

Our cute cartoon panda backpack can also be used as an educational tools when they are learning the animals species in the preschool period, it could be easier for them to tell which animal they are wearing than those kids who don't have the animal backpacks. They could become more...

Miércoles 25 septiembre 2019

Cantidad : 50000/mont - Precio : usd3-10

Exothermic Welding Products 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...

Miércoles 25 septiembre 2019

Cantidad : 50000/mont - Precio : usd3-10

Brief Instruction of Copper Clad Steel Stranded Wire The copper-clad strand wire is shaped like a cable, which is made of a plurality of copper-clad single wires. Because of its multi-stranded properties, the electrical conductivity and tensile strength are relatively good, and the...

Viernes 20 septiembre 2019

PQWT-TC series automatic mapping water detector is based on the Earth's electromagnetic field as the 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...

Martes 17 septiembre 2019

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

The problem of contaminated water due to backflow is emerging, and the health hazards caused by contaminated water are also alarming to engineers and water equipment suppliers. The problem of backflow water may occur in every place where water is used. We can learn about the harm...

Martes 17 septiembre 2019

Compact there-stage pump The Single valve block can be replaced by component FP-4,thereby allowing 2 or 4 tools to be driven simultaneously Three stage with air drive Supporting continuous operation with steel frame 100mm diameter gauge ,aluminium oil tank with oil level indicator...

Martes 10 septiembre 2019

Japanese Mochi donut maker-Yufeng “Mister Donut” popular Mochi donut, looks tasty and nice. Do you know how to make it. If you never learn the baking knowledge, welcome to contact us, because Yufeng have MD100+ automatic donut making machine, you just need put the dough into the hopper...

Sábado 07 septiembre 2019

product features: Compact automatic three stage flow,most efficiency. Applicable on both one or two wrenches simultaneously. Aluminum oil tank with oil gauge and thermometer. Have Φ100 high pressure gauge. Working pressure：40~700 bar. With efficient radiator,the pump can work...

Viernes 06 septiembre 2019

Precio : USD0.5~30

Dinosaur plush toys are the toys designed as the dinosaurs. Generally they can be classified by its styles as cartoon and lifelike. Or they can also be classified by its species. The kids may learn to tell the species names by playing with the toys. They can learn what a tyrannosaurus...

Viernes 06 septiembre 2019

Precio : USD0.5~30

Our cute cartoon panda backpack can also be used as an educational tools when they are learning the animals species in the preschool period, it could be easier for them to tell which animal they are wearing than those kids who don't have the animal backpacks. They could become more...

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...

Jueves 22 agosto 2019

It is greatly necessary to mention the Salmonella In Food for Import And Export-Membrane Filter Screening Method where the vacuum flask is introduced. For customers to learn about the device better, related information is as follows. - About the salmonella - Salmonella can be divided...

Jueves 15 agosto 2019

Review the article that I had written for product introductions, it seems that the content which making fun of products basically does not have, a person with the label of “warm person heart” is wearing very tired. The things about making fun are so cool to be said completely by naked...

Martes 06 agosto 2019

Cantidad : 1 million - Precio : Small tablet: 1.9~30

LCD drawing tablet is a kind of electronic device that uses high tech flexible liquid crystal technology to display words, patterns and graphics by pressure. You can write or draw with gentle pressure. The writing pad is extremely low power consumption; it only uses power when you...

Jueves 01 agosto 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...

Jueves 01 agosto 2019

Ceramic membranes (Porous Ceramic Membrane & tubular ceramic membrane) are available for microfiltration, ultrafiltration and nanofiltration as single-channel or multiple-channel elements with channel diameters between 2 and 16mm. Their main characteristics of porous tubular ceramic...

Jueves 01 agosto 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...

Martes 30 julio 2019

Increasing the rate of filtration through the force on the solution over gravity, vacuum filtration is an operation of evacuating the air below the filter paper to maintain the pressure differential across the filter medium. It is widely applied in the laboratory for various tests...

Lunes 15 julio 2019

Syringe filters are widely used in laboratories. The users do not need to change membranes and clean filters, which can save complex and time-consuming preparations. It is very convenient and easy to operate. They are mainly used in sample pre-filtration, clarification, degerming of particles...

Jueves 04 julio 2019

As a single-use, membrane-based device, syringe filter is used for the removing particulate impurities from small (less than 100 mL) liquid samples in the lab. For different applications, the syr inge filter are used in for fast and efficient filtration, material purification, and sterilization...

Jueves 04 julio 2019

As a single-use, membrane-based device, syringe filter is used for the removing particulate impurities from small (less than 100 mL) liquid samples in the lab. For different applications, the syr inge filter are used in for fast and efficient filtration, material purification, and sterilization...

Jueves 04 julio 2019

Manufactured from the same raw materials as the ashless grades, the qualitative filter paper is suited for ordinary filtration when we need to determine materials by using qualitative analytical techniques in the lab, with the features of fast flow rate due to their structure. Qualitative...

Viernes 21 junio 2019

With different range of material manufacturing and capacity options, sample vials are usually used for collecting, storing, and transporting samples in the lab. You can find non-sterile or sterile vials in the color of amber or clear transparencies for a better view. Hawach glass...

Martes 18 junio 2019

Application: The tested object is attached to a test platform adapter. The inside of the part was cooled and heated by an aqueous solution of ethylene glycol. The test component needs to undergo a specific temperature profile and record changes in temperature. Temperature variations...

Domingo 16 junio 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...

Sábado 15 junio 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Jueves 13 junio 2019

It's important to know the way to choose the right syringe filter for filtration. And the membrane materials used for manufacturing syringe filters often determine your choices. Let's learn the different types of membrane materials for filtering in the lab. As the most popular membrane...

Jueves 06 junio 2019

The glass fiber filter is chemically inert and contains no binder. It is made of 100% borosilicate glass fiber. It has a capillary structure, can absorb more water than the same cellulose filter paper, has the characteristics of fast flow rate, high-temperature resistance and strong...