WEAK - 467 Annonces

Mercredi 07 août 2019

Each analyst needs filter paper, which is a product with high consumption in the laboratory. Filter paper is commonly used in analytical laboratories as a filter medium to separate the solution from the solid. Basic introduction The paper is loose and has strong absorption performance to liquid...

Samedi 03 août 2019

SPE cartridge can be divided into three classes on the markets: silica-based cartridges, polymer-based cartridges, and adsorption-based cartridges. And here we talk about the three types of silica-based cartridges. The first type is the C18 cartridges. This kind of cartridges bond...

Vendredi 05 juillet 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...

Vendredi 28 juin 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...

Vendredi 21 juin 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...

Mardi 18 juin 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...

Vendredi 14 juin 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...

Vendredi 07 juin 2019

Quantité : 4 pcs - Prix : 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...

Dimanche 02 juin 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...

Jeudi 30 mai 2019

Quantité : 1 - Prix : 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...

Dimanche 21 avril 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:...

Dimanche 21 avril 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...

Mercredi 13 février 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...

Vendredi 25 janvier 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...

Samedi 12 janvier 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...

Mardi 28 août 2018

Quantité : at least 4 - Prix : 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...

Mercredi 15 août 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...

Jeudi 09 août 2018

Quantité : 100 - Prix : 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...

Dimanche 27 mai 2018

Prix : 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...

Dimanche 27 mai 2018

Prix : 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...

Mercredi 23 mai 2018

Quantité : 1 - Prix : 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...

Mardi 26 décembre 2017

Quantité : 1set - Prix : 500-1000$

JQ-6307 Plus ICU salle capnographe portable etco2 patient moniteur hôpital moniteur cardiaque Affichage à l'écran 8 formes d'onde Modulation d'impulsion d'oxygène, 0,2% de perfusion faible Peut simuler son propre oxygène (l'oxygène peut afficher PPI et DPI), Masimo SpO2 configurable...

Lundi 11 décembre 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...

Lundi 11 décembre 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...

Lundi 11 décembre 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,...

Samedi 21 octobre 2017

Quantité : 500tons - Prix : 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...

Samedi 14 octobre 2017

Quantité : 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,...

Mercredi 16 août 2017

Quantité : 10000 KG - Prix : 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...

Jeudi 20 juillet 2017

Quantité : 99999 - Prix : 8,00 €

This Solar Charger power bank has a 5000mAh Lithium Polymer Battery, Dual USB Output, Waterproof, Dustproof, Shockproof, Splashproof and an Emergency LED Torch. Please place the Rohs Solar Cell phone Charger power bank under sunlight, the green LED indicator shines strongly or weakly...

Jeudi 20 juillet 2017

Quantité : 100 piece

uwi-e débridement machine est un appareil à ultrasons pour blessures de traitement, qui génère des ondes ultrasonores de pouvoir et 40khz amplifie par un transducteur.le pouvoir est porté par la poignée morceau probe, et a mené à des tissus humains et des travaux sur les blessures...