The photosynthesis of plants is inseparable from the presence of chlorophyll. The determination of chlorophyll content is an important aspect of determining the photosynthetic characteristics of plants, and is also a relatively traditional measurement. Chlorophyll is insoluble in water b

In the past two months, the market for titanium dioxide used Sichuan dialect to say “very angry”. This year, China’s macroeconomic manufacturing industry and real estate investment, and other fixed asset investment growth, have fallen short of demand, and have begun to show a ful

Analysis of Carbon and Sulfur in Steel by Carbon and Sulfur Analyzer Steel carbon, sulfur, iron and steel products is an important element in determining the size and quality of carbon and sulfur analyzer. Carbon with a content of more than 1.70% is called cast iron and less than 1.70% is called

In the process of using the radial drilling machine, the tap breakage often occurs suddenly under a large force, resulting in the cutting edge of the half tap broken in the screw hole, tightly wedged in the metal, and it is generally difficult to make The cutting edge of the tap is de

At present, China's fastener enterprises have not established the sense of "standards and productivity". For the formulation of standards, it is always the enthusiasm of the competent departments and the coldness of the fastener enterprises. The level of standardization of fa

In order to develop new energy mining machinery and adapt to the needs of building green mines, Shimeiji Corporation has successfully developed a lithium-ion battery electric locomotive. The vehicle has now entered the phase of safety certification. The car is powered by a lithium ion battery, whic

Yesterday, the application status of the new minibus number indicator was announced. With the introduction of various favorable policies, such as tax exemption and restrictions, compared with the previous period, the total number of new energy index applications and the new number of appli