Since 2013, the PM value in many areas of the country has reached record highs. This once again highlights the importance and urgency of managing vehicle exhaust emissions and improving air quality. In this context, industry sources said that in order to deal with PM2.5, we must first promot

The diesel engine is not allowed to idle for a long time. The diesel engine combustion chamber is mainly in the U-shaped, shaped or spherical volume at the top of the piston. Therefore, each cylinder position is provided with an oil nozzle. When the oil pressure is 0.2MPa or more, the engine o

The State Council recently issued a document requiring all localities and relevant departments to further increase fiscal and tax support for small and micro enterprises, to ease the financing difficulties of small and micro enterprises, to promote innovation and development of small and micro ent

The State Administration of Taxation issued the “Announcement on Deeply Implementing the Issues Concerning Corporate Income Tax on the Western Development Strategy” on April 26, to carry out the scope, review methods, application procedures, and calculation methods of the total branche

Among the factors affecting the fuel economy of freight cars, the formula can tell that the fuel economy of automobiles is mainly affected by the specific fuel consumption of the engine, the power consumption of the engine and the speed of the car. The specific fuel consumption of the engine i

2011 was the first year of the "Twelfth Five-Year Plan", and it was also the year when the pesticide industry improved and achieved full-scale development. Pesticide industry production and operation, responsibility care, new product development, park construction, foreign exchanges, law

On January 11, 2012, the Competitiveness Billboard event organized by the Shanghai Enterprise Competitiveness Research Center, Shanghai Development Zone Enterprise Evaluation Service Center, Xinmin Evening News Special Issue Department, and Shanghai Business Newspaper Co. Ltd. , professional

Recently, the reporter learned from the Guangzhou Local Taxation Bureau that from January 1, 2012 to December 31, 2015, public transport vehicles and boats in rural areas of Guangdong Province and motorcycles, tricycles, and low-speed vehicles owned by rural residents and used mainly in ru

According to the latest data released by the Traffic Management Bureau of the Ministry of Public Security, as of the end of 2011, the number of motor vehicles in Guangdong Province has exceeded 20 million. Last year, the growth of motor vehicles in Guangdong Province reached the highest in the coun

Abstract: Recently, the sixth session of the second member representative meeting of the valve branch of the China General Machinery Industry Association in 2011 was held at the Crowne Plaza Shenzhen, Shenzhen. More than 300 business leaders and representatives of the association’s

Acidity meter is a kind of commonly used instrument and equipment. It is mainly used to accurately measure the pH value of liquid medium. The corresponding ion selection electrode can also measure the MV value of ion electrode. The acidity meter uses the MCU to control the measurement proc

working principle: After the air in the working room is heated by the electric heater, it is forced to circulate through the fan, and uniform heat exchange with the heated object is performed in the work area, and a road is baked or dried. Instructions: 1. Open the door, put the items t