Category: 201901
Biofuels may be ushering in new development opportunities
January 06, 2019

Recently, news on the European Union's levy of aviation carbon taxes has continued to ferment. This news in the aviation industry has caused widespread concern in the society, including those concerned about the development of the global energy industry. S.......

Spring Festival fixes three major tricks at the time
January 05, 2019

According to surveys, more than 40% of the complaints related to wood floor complaints are caused by laying construction standards. At the end of last year, the market accumulated a large number of floor installation orders, entering March or will usher in the installation climax. To this .......

Switch socket installation sequence
January 05, 2019

During the renovation, each household has to install sockets and switches. However, how these components are installed is the safest and the correct installation procedure is not everyone knows.

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The effect of alloying elements on the properties of steel
January 05, 2019

When the content is low, the effect is similar to that of nickel. When the content is high, it is unfavorable for hot deformation processing. If the content is more than 0.30%, high-temperature copper brittleness occurs during hot deformation processing. When the content is higher than 0.75%, t.......

Valve noise generated by the factors
January 05, 2019

Noise generated by valves, shredders and weaving machines is due to mechanical noise generated by mechanical vibration or frictional impact of solid parts. The following analysis of the valve noise generated by the factors. In the heating system can not do without pumps, pipes and valves, but t.......

Build a budget for the decoration
January 04, 2019

First, understand the decoration budget

The decoration budget is not an amount of money that he supposedly came up with, and it's not even the budget that the decoration team reported. How much money will be spent on your own house, how many projects will be completed, how much.......

80 how to do after the renovation budget
January 04, 2019

In particular, the consumer groups in the early and mid-80s have already entered the age of marriage, and they have appeared in the tide of buying houses and decoration. "Post 80s" is a group of special consumers. In the ever-growing market purchasing power, with the gradual growth of.......

Air-cooled heat pump design features high temperature
January 04, 2019

Air-cooled heat pump its corrosion resistance and temperature depends on the media contact with the main parts of the material, heat exchange equipment is the ideal matching pump. Air-cooled heat pump for conveying high temperature liquid without solid particles. Petroleum and Chemical Industry.......

Fruit tree vegetable tea using pesticide recommended
January 04, 2019

First, insecticides and acaricides

1. Biological agents and natural substances

Bacillus thuringiensis, Spodoptera exigua nuclear polyhedrosis virus, Spodoptera litura nuclear polyhedrosis virus, Plutella xylostella granulosis vir.......