查询词典 conservation

We argue that the wave-particle duality of microscopic particles perhaps results from the intrinsic energy conservation and conversion inside the particles. We point out that there\\\\\\\s a critical flaw both in electromagnetic field theory and Coulomb\\\\\\\s inverse square law.

在详细分析了宏观质点简谐运动的基础上，仍以能量守恒和转换定律为出发点，阐明微观粒子的波动过程必须时刻满足能量守恒定律，指出传统的电磁场理论和库仑定律都存在瑕疵。

The conservation theorem and its inverse theorem for the Poincar - Chetaev' s equations were established.

建立了Poincare-Chetaev方程的守恒定理及其逆定理，并举例说明结果的应用。

With the application of the model, the exergy efficiency and the exergy loss in the system of ironmaking is analyzed and direction and path of energy conservation are described.

应用该模型，分析了铁前各工序的效率、损失，指出了铁前工序的节能方向和途径。你知道它的英文吗？

Because of the preciousness and irreparability, the ancient jade would have permanent damage if incautiously treated. Therefore, in order to effectively protect the precious cultural heritage, it was crucial to judge the physical and chemical properties of those artifacts, and accordingly choose suitable conservation conditions.

由于古玉器的珍贵性和不可还原性，稍有不慎就会对古玉器产生永久的破坏，因此，为了有效保护这些珍贵的文化遗产，首先应正确判断出土文物的物理化学性状，然后再有针对性地选择适宜的保护条件。

This study deals with precipitation fluctuations in the transitional zone between the arid and semiarid regions of northwest China from the 1950s to the 1990s,discusses spatial variation of 250 mm isohyet during the dry years and wet years; and systematically studies rainfall harvesting system relative to runoff inducing catchments, water storage and highly efficient utilization and evaluates the influence of rainwater harvesting on regional development and environment conservation.

分析了干旱半干旱区过渡带降水的时空变异性，确定了250 mm降水量线在丰枯年份的空间摆动幅度。

Biodiversity is one of the front areas of current biological research. The mechanisms of the formation, spatial distribution pattern, conservation and utilization of biodiversity have been an important area of biological and environmental research. In this study, through analyses of data about plant diversity, animal diversity, geographic factors, climatic factors, and energy factors by use of GIS software, statistic software and ecology software, the mainland of China was divided into 241 small districts of 2° by 2°. The environmental factors in each district were analyzed and isopleth maps of environmental elements were depicted.

生物多样性是当今生物学研究的热点问题之一，生物多样性的形成机制和分布格局以及保护利用问题一直是生物学和环境科学所研究的重要内容，本文由此出发，以中国陆地为研究区域，通过植物多样性数据、动物多样性数据、地理因子、气候因子、能量因子等资料，利用MAPGIS、MAPINFO等GIS软件，SPSS、DPS等统计学软件以及CANOCO等生态学软件，将中国陆地划分为241个小区，分析了各区内的环境特点，统计了各区内生物多样性的数量，并绘出环境因子等值线图，中国陆地种子植物科、属、种，裸子植物种、蕨类植物种、兽类、鸟类、爬行类、两栖类种数的等值线分布图，对中国陆地植物、动物多样性现状、分布格局及与环境因子的关系进行了研究。

On the basis of transmission and conservation of solar visible radiation and the analysis on observation data, an empirical model of isoprene emission was built up.

基于可见光辐射传输与守恒的观点，在观测数据的基础上建立了异戊二烯排放通量的经验模式。

Angular mom tum conservation is based on the isotropy of space.

角动量 守恒是以空间的各向同性为基础的。

It is a non-profit organization dedicated to the worldwide conservation of the five living species of rhinoceros: Black, White, Indian, Javan and Sumatran.

该基金会是一个非赢利性的组织，致力于全球范围内五种现存犀牛物种的保护，分别是黑犀牛、白犀牛、印度犀牛、瓜哇犀牛和苏门答腊犀牛。

The excellent features and multifunctional traits of Jerusalem Artichoke are not only essential qualification for the development of herbivores, but also important to water and soil conservation and environmental protection.

菊芋的许多优良特性和多功能特点，不但是发展草食畜禽的必要条件，而且对水土保持、环境保护有重要作用。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐