The Health Effects Institute (HEI) recently released a report saying that the new diesel engine used in automobiles is not as likely to increase lung cancer risk as people usually think.
HEI recently launched an independent investigation to explore whether diesel engines with new technologies have the expected reductions in air quality to improve air quality and whether diesel engines represent higher health risks. As new diesel engines generally use EGR exhaust gas recirculation systems and other devices, the emissions of nitrogen oxides, hydrocarbons and particulate matter are almost reduced to zero, and the negative impact on health is actually not prominent.
The survey focused on heavy truck emissions and measured environmental impacts from a variety of perspectives, including passenger cars, agriculture, construction, fishing and transportation.
Because diesel engines have left many people with impressions of high emissions and increased lung cancer chances in the old days, they are regarded as backward and harmful by some regions. Some people even plan to eliminate diesel engines in the next 10 to 20 years. For example, the UK has proposed It is required to prohibit diesel vehicles from entering the road in 2040.
High Tenacity and High Modulus PE Fiber, called as UHMWPE fiber, is high-tech fiber in 1990s. Regarded as one of the worlds three high performance fibers (carbon fiber, aramid fiber and PE fiber).
UHMWPE fiber possesses such characteristics as high molecular weight, high degree of orientation and high crystallization. And its tenacity is 15 times over steel and 10 times over normal chemical fiber. Besides its also low density, high modulus, UV resistance, corrosion resistance, outstanding anti-impact and anti-incision. It's the highest tenacity and lowest density bulletproof material in the world.
UHMWPE fiber is widely used in national defense equipment such as tank, armored car, bulletproof plate, bulletproof helmet, bulletproof jacket, cut-resistance jacket, cut-resistant gloves and fabric; and also used in composites field such as composites materials for aviation and spaceflight, ropes for navy vessel, trawling net, ocean cage against winds and waves, sports equipment and construction projects.
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