"11月下旬”的英文单词怎么写?

The industrialization of Jilin Petrochemical isoprene rubber is on the countdown.
In the late November 2010,technological development of the petrochemical isoprene rubber which Jilin petrochemical research institute cooperates with Changchun Institute of Applied Chemistry of the development has made substantial progress.The Pilot products applied in
all-steel radial truck tyre have succeeded.
Throughout the test of China Rubber Industry Association Testing & Research Center of Materials and Tire Manufacturer and the contrast between the natural rubber &imported isoprene rubber,every index of the product comes up to advanced world standards.In the applications of all-steel radial truck tyre ,it uses 40phr instead of natural rubber.The test verifies that JiHua glue has a good compatibility with natural rubber,and low mixing power and fast pressing out rate and little pressing out shrinkage and smooth surface and stable dimission and good manufacturing performance.Vulcanized rubber carbon black has good dispersion and large tear strength and good elasticity and resistance to abrasion and good aging resistance and resistance to stab and big rolling resistance to improve safety.When the tire is vulcanized,the glue stuff has good liquidity and plenty of cavity and clear tread pattern and flawless surface.It's no need to change production formulation and process when mix 40 JiHua glue to tread rubber.Morever, it is ideal raw material in tyre application.
Currently,kiloton pilot-plant is being actively built,covering an area of 13600 square meters and invested 45000000RMB.In the first half of this year,we will realize inspection and acceptance, the pilot-plant will greatly reduce industrialization risks on the technology of isoprene rubber.The next step,we will perfect technology platform and improve the development of the new products in order to provide and verify the technical data.
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