HS-20A automatic headspace sampler is the latest generation of fully automatic headspace injection with full automation design, large screen display, beautiful appearance and convenient operation. Device. HS-20A automatic headspace sampler Instrument introduction HS-20A automatic headspace samp

The room is a relatively private space in our daily life. It is because of privacy that a good quality door lock is indispensable. In the past, its role in the aesthetics was negligible, and it did not cause too much attention. With the continuous development of society, people's requirements f

Original title: The safety rope was broken when the worker repaired the external wall (Reporter Sun Xiaotian Intern Chen Mingyu) Yesterday morning, when a young maintenance worker was working at heights in the Green Zone in the small green town of Jindi, Hongshan District, the safety rope tied to

Metal nets and wires are often surface treated for long-term use without rusting. The surface treatment is usually hot dip galvanized, electro-galvanized, dipping, spray. Hot-dip galvanizing and electro-galvanizing + spray hot-dip galvanizing is the process of immersing a surface-cleaning metal mat

In the injection molding process, sometimes there are many small bubbles of the finished product, not only impact strength and mechanical properties of the finished injection molding, the appearance of the finished product price values are also greatly reduced, so when bubbles are finished, several

The use and preservation of coated seeds should be very careful, otherwise it will lose the efficacy or other conditions. Today, share with you what should be paid attention to the use and preservation of coated seeds? Seed coating refers to the use of an adhesive or film-forming agent to coat non

Summary "US Republican presidential candidate Donald Trump win over Democratic presidential candidate Hillary Clinton, won the 2016 US presidential election!" Lasted nearly six months of the campaign finally came to the big screen! ! ! Let’s not say that Uncle Trump is going

Many water purifiers (straight water dispensers) buyers do not have basic common sense, and think that all the water purifier products are similar, so when you buy the product, you just bought one back. However, consumers are ignorant and even completely wrong in understanding the national sta

/*kangxianyue 250*250 was created on 2017/3/29*/ var cpro_id = "u2939694"; 1 Focus on electronic waste recycling in the world 1.1 Environmental problems caused by electronic waste disposal E-waste contains a variety of heavy metals that harm the human body and the

Since Tesla was sizzled, research on "high-tech batteries" has emerged. One type of battery is also known as the “black technology” in the battery industry – the aluminum air battery, which was once called “only 3,000 kilometers by water injection”. Recentl

The multi-functionalization of electronic components is an important trend in the development of applied electronic technology. Therefore, non-silicon based materials have increasingly attracted the attention of researchers. Among them, nanoparticles whose properties are differe

The use of Shandong safety net is an important indicator of construction projects. Moreover, the quality of safety nets is even more stringent. Safety nets must pass certain tests before they can be used. When we purchase safety nets, we need to know the following points: Safety net needs to detect