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It's easy to have a healthy lifestyle, and it's important to eat a balanced diet.

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Ball mill is an important equipment be used to coal pulverization in the coal-fired power plant. The material location is a very important parameter and it influences the ball mills working efficiency. So the measurement of the material location is very important.

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Rosin are important reproducible natural resource and important chemical products, it is gradually playing a key role on national economy.

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Protein is an important constituent of animal body.

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However, in the nanometer metal film, transmission will become notable in case of film size is smaller than or equal to the skin depth, Therefore, for basic theory study and application, it is necessary to study the reflection and transmission of nanometer metal film.

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Objective: Cyclooxygenase-2 (COX-2) and peroxisome proliferators-activated receptor-gamma play very important roles in occurrence, progression and prognosis of tumor. But the definite effects and mechanisms of specific COX-2 inhabitor and PPARγagonist on the prevention and cure of pancreatic cancer have not been fully elucidated.

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Study of tribology has great social and economical significance. Friction and wearing is a long time process which is very complex.

摩擦學(xué)的研究具有十分重要的社會(huì)和經(jīng)濟(jì)意義，而摩擦磨損是個(gè)十分復(fù)雜的歷時(shí)過(guò)程国产.zipai。