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Abstract: The new approach,which is widely adopted by some count ries andregions to develop sediment quality criteria based on the biological ef fect database,is reviewed according to the newest information on developing sedi ment quality criteria in Cana
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文摘:根据加拿大、美国佛罗里达、澳大利亚、新西兰、中国香港等国家和地区水体沉积物质量基准研究的最新资料，综述了目前国际上广泛采用的用于制定沉积物质量基准的新方法--生物效应数据库法，介绍了该方法制定基准研究和应用的新进展。 |
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Abstract: The new labouring organization and structure are quite necessary for the stateowned enterprises to be adapted to the market economy.Analysis is made of the labouring organizations of the state-owned enterprises.
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文摘:国有企业建立与市场经济相适应的新的劳动组织机制势在必行，并对企业的劳动组织进行了分析研究。 |
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Abstract: The new method of measurement profile error of any line with error separation technique is studied.Based on developing mathematical models,computer imitation is made .
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文摘:研究了在数控加工中利用误差分离技术测量线轮廓度误差的新方法，在推导数学模型基础上进行计算机仿真。 |
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Abstract: The new method of real-time seperation of the rotary errors of axis system with three sensors synchronously in the same position, which is put forward in this paper, can seperate both of system and random errors during the measuring process and
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文摘:本文提出的三测头同方位同步测量实时分离轴系回转误差的新方法，能在一次测量过程中将轴系回转误差的系统误差和随机误差一并分离，可提高测量准确度几倍至几十倍。 |
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Abstract: The new technology of cross wedge rolling has been using in production of blank forming of oil ejector body.
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文摘:介绍了一种楔横轧制坯—精密模锻成形喷油器壳体毛坯的新工艺，及楔横轧模具设计工艺参数的选取。 |
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Abstract: The newest advances in ultrashort pulse laser technology are briefly reviewed, and the several most important applications of ultrashort pulse laser, such as ultra-high speed optical communication, storage of great capacity information, study of
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文摘:评述了国际上超短脉冲激光技术的最新研究进展以及超短脉冲激光在超高速光通讯、海量信息存储、光合作用研究、化学反应过程研究等领域广泛的应用状况。 |
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Abstract: The newest mannfacturing,sintering technology on superfine and nanom eter hardmetal powder,manufacturing technology of cemented carbide,as well as re covery technique on tungsten materials and hardmetal wastes were comprehensively expounded in t
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文摘:综合评述了第八届国际钨讨论会关于硬质合金领域的超细、纳米级粉末制造技术、烧结技术、硬质合金制造技术以及钨材料和硬质合金废品的回收利用技术，并对硬质合金的发展趋势、前景应用等新动向及环境问题提出了参考性建议。 |
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Abstract: The nommiformity of solid state image sensor which degrades performance severely,even no signal can be detected must be corrected in the condition of present technology.In this paper, the cause of nonuniformity generation is analyzed.Based on pr
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文摘:分析了非均匀性产生的主要原因，基于性能价格比和实时快速的原则，采用一点和两点法对固体图像传感器的非均匀性进行了校正并讨论了系统的校正范围，给出了用于实时校正的硬件电路框图和实验结果，取得了较满意的校正效果。 |
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Abstract: The nonlinear finite element dynamic simulation model for an oscillation mechanism with 4-eccentric axis for continuous casting machine is established by means of the theory of kineto-elastodynamics.
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文摘:根据运动弹性动力学的理论方法，建立了连铸机四偏心式振动机构非线性有限元动力学仿真模型。 |
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Abstract: The nuclear magnetic resonance is a new geophysical technique for groundwater explration. characterized by direct water survey.
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文摘:地面核磁共振找水技术是一种新的地球物理勘探技术，具有直接找水的特点。 |
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Abstract: The nucleosome, the structural unit of chromatin, is known to play a central role in regulating gene transcription from promoters.
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摘要：核小体作为染色质的结构单位，在基因启动子区域调节基因转录中具有重要的作用。 |
