In recent years, small excavators, especially mini-excavators, have played an increasingly prominent role in the construction of municipal projects, farmland water conservancy, etc., and have made great contributions to saving manpower and material resources, and they have been able to maximize in ...more...

Molecular sieves are a class of crystalline silicon aluminate, since it has a uniform pore size and high specific surface area, has many good features. (1) Selective adsorption according to the size and shape of the molecules, that is, only those molecules smaller than the molecular sieve pore size ...more...

Recently, Subaru Automobile (China) Co., Ltd. has filed a recall plan. It will recall some imported Legacy, Outback and Impreza series cars from May 9th, 2018. According to the company's statistics, the mainland China region A total of 424 vehicles were involved. details as follows: (1) Part o ...more...

The quality of power quality has a serious impact on the military industry, precision instrument processing industry, aerospace, railway transportation, and communications industries. Failure to timely detect abnormal power events in the power grid and effectively respond to them will result in se ...more...

The geological survey data, associated mainly of silver ore in a variety of filling and replacement hydrothermal deposits of copper, lead, zinc, the contact skarn account type, lamellar or laminar-like deposits, and pyrite type copper sulfide In a nickel deposit. According to preliminary statistics, ...more...

Aluminum oxide, commonly referred to as "aluminoxane", is a white powder, is a covalent compound, melting at 2050 deg.] C, a boiling point of 3000 deg.] C, true density of 3.6g / cm3. It has good fluidity, is insoluble in water, and dissolves in molten cryolite. It is the main raw materia ...more...

Fuel consumption drops to 5L in 2020! Automotive manufacturers are targeting this fuel-efficient technology Know the Gassheer article review on the line! After reading my comments x Happy sharing Sina Weibo Wechat friends QQ space At present, most cars are equipped with a start-stop system t ...more...