Chinese truck drivers already have more than 30 million people and carry 76% of the freight. Truck drivers accounted for 79.1% of rural households and 79.3% of those who were married. Truck drivers were highly mobile and highly dispersed. They were obsessed with ignorance and hardship and wer
Recently, the National Development and Reform Commission announced that since May 1, the domestic retail price of gasoline and diesel has dropped by 75 yuan and 65 yuan per ton respectively. The oil price adjustment was due to the reduction of some industry and goods VAT rate policies introduced o
The power supply is the heart of the electronic system. In industrial applications, the power supply for the system's preamplifier or interface generally requires high anti-interference performance. Various isolated module power supply modules have emerged. You may know the design of isolated
“2018 Beijing Auto Show†undoubtedly brushed the circle of friends in the automotive industry in April, especially during the media day. The huge amount of information broke out on the Internet platform instantly, and each eye-catching marketing method also allowed The audience is
On February 17, the rubber rubber company's 2016 'Deantong' truck tire tires first ordering meeting was held in Hebei Province. It was learned that this order will be the domestic ordering meeting of the company for the Beijing-Tianjin-Hebei region. The site will deal with 15,379 all-s
[China Instrument Network Instrumentation Industry] A few days ago, the largest scale residential reconstruction project for 1035 households in Taifa West District, which is the largest scale in the 2017 West Coast New District of Shandong Province, will be completed. Residents will be officially
In many cases, the discharge of large amounts of feces from poultry farms and cows and horses in farms also has an odor, which is a serious influence on the air and the surrounding environment. Not only can it have a negative impact on human health, but it
The reporter learned from the Yuchai Group that the encouraging news was that in the 2011 Guangxi Science and Technology Award, the “YC6L series diesel engine R&D and application†project was completed by Yuchai Machinery Co., Ltd. and was awarded the only one in Guangxi in 2011 by
I. Preface CNC lathe machining has been applied more and more in modern manufacturing industry, and it has brought out the advantages that ordinary lathe can not match. The CNC lathe processing mainly has the following features: 1.CNC CNC lathe processing drive chain is short, compa
[ China Agricultural Machinery Industry News ] As a major rice producing province, how does Hunan solve the contradiction between the country's "required grain", the peasants' "requiring money" and the ecological "green", and the goal of achieving stable grain
The subject of information is the frontier science of contemporary science and has a strong permeability to other disciplines. In the future, information science will continue to develop in depth and create more marginal subjects and interdisciplines, becoming the main source of scientific
Any substance has a molecular current, and the product of the molecular current and the area enclosed by it is called the magnetic moment of the molecular current. which is m i =ι△s Where m i — magnetic moment, An·m 2 ; Ι—molecular current, amp; △s—the