a study of infrared laser-initiated polymerization of methyl methacrylate

new development of study on catalysts for manufacture of methyl methacrylate from c_4

甲基丙烯酸甲酯C4工艺法催化剂的研究进展

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emulsion and miniemulsion polymerization of mma via reversible addition-fragmentation transfer ( raft) in the presence of solubilizer

增溶剂存在下甲基丙烯酸甲酯乳液和细乳液RAFT活性自由基聚合

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the fluorine-containing acrylic ester polymer emulsion is synthesized, whose main raw materials are ptfe micro-powder, ba, mma, maa and st.

以聚四氟乙烯微粉、丙烯酸丁酯、甲基丙烯酸甲酯、甲基丙烯酸、苯乙烯为主要原料合成了含氟丙烯酸酯共聚物乳液。

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be careful how you drive, there are small rocks about in this area.

开车时小心些, 这一地区到处是小石头.

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pebbles and gravel also insulate the soil to keep surface temperatures low and preserve water.

小石头、砂砾层也可用来做隔绝层,以保持水分,降低土壤的温度.

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innovative small stones compact body.

创新小石头机身小巧.

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in time, the little stone starts feeling like a big rock!

有时, 小石头也会让人觉得是块大顽石!

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trojan detection mechanisms combined with artificial immune theory overcome the shortcomings of traditional trojan detection mechanisms. the new methods with diversity, efficiency, self-adaptive features of biological immune system have better results on the detection of unknown variants of trojans.

结合人工免疫思想的木马检测机制弥补了传统木马检测机制的缺点，具有生物免疫系统的多样性、高效性、自适应性等特点，在检测未知的木马变种上时有较好的效果。

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the diversity of bt products provides a rare development opportunity for developing countries with abundant resources.

生物技术产品的多样性，为资源丰富的发展中国家提供了一次难得的发展机遇。

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buddhism advocates the ecological natural concept of unification in buddhism, the ecological ethics of equality of all things, and the ecological practice concept with compassion, so that the buddhist adjusts and treats everything well from these viewpoints for the protection of biological species diversity.

佛教倡导的佛性统一的生态自然观、万物平等的生态伦理观、慈悲为怀的生态实践观，有利于佛教徒从调整心灵、善待万物的立场出发，保护生物物种的多样性。

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but this much we can say: the variety of genes on the planet in viruses exceeds, or is likely to exceed, that in all of the rest of life combined.

但是有一点可以肯定，病毒世界的基因多样性远远大于所有其他生物的基因多样性之总和—至少科学家是这么认为的。

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due to the special environment, chemical novelty and diversity of biological activities of metabolites from marine-derived microorganism made a prominent contribution to the new lead compounds.

特殊的生态环境孕育了海洋微生物次级代谢产物化学结构的新颖性与生物活性的多样性，因此，海洋微生物是寻找结构新颖、活性良好药物先导化合物的重要资源。

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with the fast development of life science, it is increasingly necessary to reveal the diversity of organisms and their conformational complexity.

随着生命科学的迅速发展，对于探索和了解生物体系的多样性和形态的复杂性的要求日益迫切。

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both γ rays and mw are electromagnetic radiations in essence, different only in energy or frequency.

本质上都是电磁辐射的微波和电离辐射，只是能量或频率有所不同，却能在维持高度有序结构的生命系统，借助于内在的相干性和协同性，表现出生物效应的多样性。

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natural products play an important role in drug discovery for their structural and biological diversities.

天然产物结构和生物活性的多样性，使它在药物研究史上一直占据着非常重要的地位。

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mechanisms underlying diversified biological effects of vanadium compounds

从钒化合物生物效应的多样性看其作用机制

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the strong positive correlation of r ( no3-n) and chl-a, the variety of biological lives and the higher biotic stock number in the water area show that the self-purifying ability of water body has a great effect on the marine lives.

R（NO3-N）与Chl-a的显著正相关性以及水域中生物种类的多样性和较高的生物资源量，则显示了水体自净能力对海洋生物的重大影响作用。

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exosomes, derived from various kinds of cells, have different bioactive function.

来自不同细胞的exosomes具有生物功能的多样性。

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establishing nature reserves is to protect natural resources and natural environment, conservation of biological diversity, maintaining ecological balance, social, economic, natural and sustainable development, to meet the social development of the natural conditions of human and material conditions and the ongoing demand established.

自然保护区的建立是为了保护自然环境和自然资源，保护生物的多样性，维持生态平衡，满足人类发展对自然条件和物质条件持续不断的需求，实现社会、经济、自然的可持续发展。

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recognized environmental synergy theory, nature had intrinsic value, called for respect for the natural, was to ask human beings to respect and preserve the integrity of the natural complexity and stability, to maintain the ecological balance, protection of biological diversity.

环境协同论承认，自然具有内在价值，要求尊重自然，也就是要求人类尊重并维护自然的完整性、复杂性和稳定性，维护生态的平衡性，保护生物的多样性。

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