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Viernes 05 julio 2019

When the polarity of the stationary phase is greater than the polarity of the mobile phase, it can be called normal phase partition chromatography or simply normal phase chromatography. If the polarity of the stationary phase is less than the polarity of the mobile phase, it can be...

Viernes 28 junio 2019

Stationary Phase & Mobile Phase The stationary phase is used to separate the substances, which is packed into HPLC Column directly; Mobile phase is the carrier, which carries the substances into the stationary phase and goes through the stationary phase. It is gas in the vapor phase...

Viernes 21 junio 2019

Normally SPE cartridge has two basic adsorption modes: target compound adsorption mode, impurity adsorption mode; 5 operation modes: gravity operation, manual positive pressure, centrifuge, negative pressure and positive pressure mode. Now let's review the whole process step by step...

Martes 18 junio 2019

After running for a period of time, the normal operation of ultra-low temperature circulating water chiller needs comprehensive maintenance and maintenance. For many enterprises, due to the weak consciousness of daily maintenance, the cryogenic cycle water chiller has been used for...

Viernes 14 junio 2019

Hawach introduced the properties and application range of HPLC column stationary phase in the silica gel matrix. Silica gel matrix: Silica gel, weakly acidic, has a strong memory, used to separate non-polar, weakly acidic compounds, oils, etc.; C18, a silica-based uncapped reversed-phase...

Viernes 07 junio 2019

Cantidad : 4 pcs - Precio : USD 10-470

With the rapid development of modern industrial engineering, the various manufacturing machine, transportation machine are all developing to high speed, high efficiency, high precision, and automation. However, with the increase of equipment's power and speed, the intensity of the...

Domingo 02 junio 2019

Insoles designed for cold weather while wearing winter boots. The feet of the person are far away from the heart, the blood circulation of the feet is poor, the fat accumulation under the skin is less, the heat preservation ability is also weak, and the subcutaneous fat layer of the foot is thin...

Jueves 30 mayo 2019

Cantidad : 1 - Precio : 1,00 €

Solid-phase extraction (SPE) is a useful method of sample preparation. By sorting onto a disposable solid-phase cartridge, it can concentrate and purify analytes from solution. But sometimes, the results are unsatisfied with the poor and non-repeatable sample recovery. To avoid it...

Domingo 21 abril 2019

Soy oil is rich in linoleic acid. Linoleic acid has limited effect on reducing the risk of heart disease. As linoleic acid is not heat-resistant, it is easy to oxidize and polymerize after frying or repeated heat, which is very harmful to health. Press method is divided into two:...

Domingo 21 abril 2019

Construction Roll Forming Machine Building materials are collectively referred to as materials used in civil engineering and construction. It can be divided into structural materials, decorative materials, and some special materials. Structural materials include wood, bamboo, stone...

Miércoles 13 febrero 2019

Ether amine is one kind of colorless or pale yellow liquids, and ether amine has a weak irritating ammonia smell. Ether amine is not easy to dissolve in water but is easily soluble in chloroform, ethanol, ether, and benzene. Ether amine has alkaline and reacts with acid to form ammonium salt...

Viernes 25 enero 2019

The principle of the liquid crystal tablet is to utilize the characteristics of the bistable liquid crystal. When the pressure acts on the surface of the liquid crystal screen, the track can be recorded and only a weak power is required when the drive is refreshed to achieve low power...

Sábado 12 enero 2019

Cattle Pump System 1.Dairy Cow Rehydration Device, is three part instrument consisting of a drug pumping device, a transparent catheter and a stomach tube. 2.Cow Stomach Pump is used for weak cows, especially after giving birth, they can not take food by themselves, only through artificial...

Martes 28 agosto 2018

Cantidad : at least 4 - Precio : At least 50 Dollars

With the rapid development of modern industrial engineering, the various manufacturing machine, transportation machine are all developing to high speed, high efficiency, high precision, and automation. However, with the increase of equipment's power and speed, the intensity of the...

Miércoles 15 agosto 2018

- Product Detail of Rubber Cushion - Rubber cushion pads are widely used in automobile engines and other mechanical equipment, which have shock absorber, effectively increase the service life of equipment, good sealing performance, wear-resisting and anti-aging properties. 【Product...

Jueves 09 agosto 2018

Cantidad : 100 - Precio : 1 600,00 €

- bubble football order – 10 balls package - £1,600.00 You can buy here with other quantity not in the package, There is no pumps, repair kits come with quantity less than 6 balls. Ship worldwide，orders can be shipped outside of the UK Guarantee: 1.We test each water ball to ensure...

Domingo 27 mayo 2018

Precio : 2,45 €

This plastic water nozzle is with convenient inset front trigger. A minor press starts continuous spraying until another light press turns it off, perfect for people with weak gripping strength or arthritis. A thumb control adjusts water pressure. Resilience and extra softness on...

Domingo 27 mayo 2018

Precio : 1,96 €

This lightweight water nozzle is made of high quality ABS for the nozzle head and soft TPR for the ergonomic grip and pattern dial. Compact gun body particularly suits people with no big hands or with weak gripping strength. 8 adjustable water patterns meet multiple watering needs...

Miércoles 23 mayo 2018

Cantidad : 1 - Precio : 1,00 €

Explosion-proof slip ring has more safety and higher reliability, designed for use in the condition which is easy to explode, such as in waste water processing system,oil platform, explosive material packing machine,agro-product processing equipment, coal mine and spray finishing, etc...

Martes 26 diciembre 2017

Cantidad : 1set - Precio : 500-1000$

JQ-6307 Plus Cámara de cuidados intensivos portátil capnograph etco2 monitor de pacientes médica monitor cardíaco Pantalla de visualización 8 formas de onda Modulación de pulso de oxígeno, 0,2% de perfusión débil Puede simular su propio oxígeno (el oxígeno puede mostrar PPI y DPI)...

Lunes 11 diciembre 2017

- AOK 70A HYDROGEN-RICH WATER MAKER GENERATOR - - What is hydrogen enriched water bottle? - Normally, we know that hydrogen is the chemical element with the symbol "H" and atomic number 1. With just one proton and one electron, it is the most common element, making up 75% of the...

Lunes 11 diciembre 2017

AOK A4 Water Filter ionizer water machine is a mineral alkaline water ionizers, which can convert the regular water into alkaline and ionized water by the excellent filter system. The filtered water with weak alkaline, low negative IRO, remove the chlorine and heavy metals out of the tap water...

Lunes 11 diciembre 2017

What is AOK alkaline water ionizer filter machine? AOK Alkaline Water Ionizer is a mineral alkaline water ionizer, which can convert the regular tap water into alkaline and ionized water by the excellent 8 layer alkaline water filter system. The filtered water with weak alkaline,...

Sábado 21 octubre 2017

Cantidad : 500tons - Precio : USD0.015-----USD100

Mono pole magnets(also called as single pole magnets) are the magnets that only one surface have magnetism, the other surface just has very weak magnetism. We all know there are at least two poles for one magnet. Then how the mono-pole magnets be made? The method is coating one surface...

Sábado 14 octubre 2017

Cantidad : MOQ 10 TON

- Quick Details - - CAS No.: 93-58-3 - Other Names: Benzoic acid methyl ester - MF: C8H8O2 - EINECS No.: 202-259-7 - FEMA No.: 2683 - Place of Origin: Shanxi, China (Mainland) - Type: Natural Flavour & Fragrances - Natural Variety: Plant Extract - Usage: Food Flavor,...

Miércoles 16 agosto 2017

Cantidad : 10000 KG - Precio : FOB Shanghai USD 3 -

This series of products can achieve good adhesion effect, environmental tasteless, high strength adhesion, cold resistance, aging resistance, etc. Excellent performance and stable quality can provide the perfect adhesion scheme to various manufacturers. Belongs to green environmental...

Jueves 20 julio 2017

Cantidad : 99999 - Precio : 8,00 €

Model No. GBT0D-D018 Volume 5000mah Weight 150g Dimensions 142*75*13.6mm Colors customized Input 5V/1A Output 5V/1A 2.1A Charging temperature range -0~+40°C Humility range 8%~90% Storage medium lithium battery Battery specification Li-polymer Charging time ...

Jueves 20 julio 2017

Cantidad : 100 piece

Uwi-e desbridamiento maquina es un dispositivo de ultrasonido 40kHz tratamiento para heridas, que genera ondas ultrasonicas potencia y amplifica a través de un transductor.El poder es llevado a través de la manija pieza sonda, y dirigió a los tejidos humanos y trabajar en las heridas...

Miércoles 17 mayo 2017

Precio : $100

Obsidian is a common black gem, most of the obsidian produced in Central America and North America, Mexico's country stone is obsidian Features: obsidian itself has a very strong energy, so it is the best amulet. It can absorb negative energy, the organization of supernatural interference...

Sábado 01 abril 2017

- Specifications - Condition: New Place of Origin: Henan, China (Mainland) Voltage: 380v Certification: ISO9001: 14000 Warranty: 1 year Name: rotary kiln Power: 18.5-350kw Installation: under our engineer's guide - Packaging & Delivery - Packaging Details: Sea worthy packing...