In recent years, plant nutrition science has been continuously developed, and only field research on plant nutrition can hardly reveal the nature of plant nutrition. It is necessary to further reveal the essence of plant nutrition through various simulation experiments under artificially

“The people of Xi’an warmly celebrate the successful launch of the Big Wild Goose Pagoda!” Whenever I saw a similar Weibo, the people all over the country knew that the smog had visited Xi’an. Some netizens also compared the microblog maps taken in 2013 and this year. The

Shenyang Yuante Rubber & Plastics Co., Ltd. is a company specializing in the production and sales of rubber and plastic products. Since the establishment of the company, we have strictly controlled product quality and gradually realized various modern management systems. It is China's prod

Overvoltage and Protection Measures of Vacuum Transformer Breaking Furnace Transformer Core Tips: And Limitations. Foreword After the application of the vacuum switch to the metallurgical industry, especially the continuous improvement in recent years, it has been widely used because it has the f

Medium voltage vacuum circuit breaker tends to be specialized and multifunctional Core Tip: Medium voltage vacuum circuit breakers tend to be specialized and multi-functionalized./ With the continuous advancement of technology, vacuum circuit breakers are constantly undergoing innovation and deve

Technical Analysis of Electric Brake of Hydrogenerator Units for Electric Power Automation Equipment Xu Qingshan\Le Xiuzhen, Chen Jun2, Zhang Xin3 (1. College of Electrical Engineering, Hohai University, Nanjing 210098, China; 2. Department of Electrical Engineering, Southeast University, Nanjing

From August 20 to 23, 2015, the 14th Nanjing International Automobile Exhibition will be grandly opened at the Nanjing Hexi Expo Center. Lung Poon lubricants brand as a leader in the field of domestic oil, as lubricating oil system and bring its 3ECARE series of car care products, in Hall 7,

Recently learned from Hefei University of Technology, the school research team in the yttrium aluminum garnet series of LED fluorescent materials and light color control mechanism has made important achievements in order to further improve the performance of LED fluorescent material provides an im

At the Fengmingshan site in Shapingba District, Chongqing, the single-shield hard rock boring machine independently developed by Tiejian Heavy Industry Co., Ltd., Pilot No.1, was launched. This is a domestically developed single shield hard rock boring machine (TBM) used for the first time in citie

FAW Xichai will conduct "FAW Xichai Service Day" at 25 Xizei service stations nationwide on April 26, 2015. The theme of this event is: exquisite lean, sincere and sincere. On the day of the activity, the service station will provide on-site consultations and troubleshooting for Xi

Why do not pay attention to the vacuum drying oven temperature uniformity General electric (blast) drying ovens are equipped with temperature uniformity parameters: Natural convection oven is the working temperature limit by 3%, forced convection oven is the working temperature limit Multiply by 2

April 10, 2015, five levy from removable sanitation truck procurement vehicle delivery ceremony was held in Heze, Shandong five levy 50 Group developed the production of self-loading type of sanitation trucks formally delivered Heze City property company. Wu Zheng's Delivery Ceremony fo