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The results of Venus observation with Danjon Astrolabe during 1983 at Shanghai Observatory are given in this paper.

1983年,上海天文台用丹容等高仪对太阳系中的白天观测目标——金星进行了试观测。

Some physical and mechanical characteristics including weight per 1000 seeds, density , sizes, pressure damage and friction of cornus officinalis were determined starting from practical designs.

从实用设计出发,对山萸果的千粒重、容重、尺寸、挤压破坏和摩擦等物理机械特性进行了测定。

A large number have emerged in China's modern history play an important role in the figures, such as the first Chinese American scholars, educators famous Yung Wing, the Kingdom of Hawaii in the Qing Dynasty, the first business Dong, Consul General Chen, South China's first Marxist disseminator Yang Pao-an China's first world champion Rong Guotuan, Su Manshu writer, the famous opera house screenwriter Tong Tik-sang, painter version of the Paleoproterozoic, and so on.

涌现出一大批在中国近代史上扮演重要角色的人物,如中国第一个留美学者、著名教育家容闳,清朝驻夏威夷王国第一任商董、领事陈芳,华南地区第一位马克思主义传播者杨匏安,中国第一个世界冠军容国团,文学家苏曼殊,著名粤剧编剧家唐涤生,版画家古元等。

The systems that can get high power large energy solid state lasers are the following: heat capacity laser, disk laser, slab laser and so on.

能够实现高功率大能量固体激光器的设计有热容激光器、盘片激光器和板条激光器等。

The process of setting up the ship form main dimensions is mainly relied on the multivariate and stepwise regression in the past which based on the massive subsistent data including the main dimensions, Light Weight, storage capacity, stability and total cost and so on.

船型主尺度要素的建立,以前主要采用的是基于数理统计理论的回归分析方法,如多元回归分析方法和逐步回归分析方法等,它是建立在大量现有实船数据的基础之上,对船型主尺度要素、空船重量、舱容、稳性和造价等要素进行统计回归。

The correlations between 0Zh,1 Zh and physical and chemical properties of alkyl benzene s,such as combustion heat,parachor,boiling point,heat of vaporization,standard free energy of formation,standard entropy,molar volume,water solubility,and partition coefficient of n-octanol/water,are investigated.

基于δiz和分子图的邻接矩阵,建构一种新的分子连接性指数mZh(m=0,1),并研究了0Zh,1Zh与烷基苯的燃烧热、等张比容、沸点、汽化热、标准生成自由能、标准熵、摩尔体积、溶解度、正辛醇/水分配系数等10种物理化学性质的相关性。

Those novel methods include the determination of damage tolerance ,interface bonding strength,the elastic modulus and bending strength of coatings,nondestructively measuring the local strength of glass,depth-sensing indentation method,and prediction of properties via the residual trail.

介绍了陶瓷、玻璃等脆性材料力学性能评价的一些非常规技术,包括:脆性材料的损伤容限、层状材料和镀膜材料的力学性能和界面强度测试、材料表面局部强度的非破坏性测试,弹性模量和能量耗散能力的估评、残余痕迹预测材料性能等。

A layout was designed to fabricate InGaP/GaAs HBTs with different scale and passive components including thin film resistors, overlay capacitors, spiral inductors and varactors. Their equivalent models were given and the process was discussed.

设计了一套包括叉指型、马蹄型、多指单胞等不同参数的InGaP/GaAs HBT器件和集成在GaAs衬底上的不同规格的电感、电容、电阻、变容二极管等无源器件,研究了无源器件的等效电路和计算方法,为微波单片集成电路的设计和制备打下了一定基础。

Deforestation is shown not only as mass forest disappearance in countries such as Rwanda ,but also as the insidious spread of logging roads through once entirely untouched rainforests in countries such as the Democratic Republic of the Congo,and the replacement of natural forest by bright green rubber and palm plantations in Cameroon.

砍伐森林的迹象比比皆是,不仅在卢旺达等国家大片森林消失;而且在刚果民主共和国等国家,曾经人迹罕至的热带雨林现在悄然拓展着伐木作业的公路;再卡麦容。自然森林被鲜绿色的橡胶和棕榈种植园所取代。

The main researching contents included as following:relationships betweenspecies diversity,community richness,vegetation succession,soil volume weight,solu-ble Na+concentration and five soil chemical elements(N、P、K、Ca、Mg)concentrationwith grazing intensities in the grassland.Relationships between concentrations,re-serve pools of plant nutrient materials,including five macroelements(N、P、K、Ca、Mg),crude protein,crude fibre,crude fat and total nonstructural carbohydrate,and their allocations in defferent plant parts with grazing intensities in thegrassland.Effects of grazing on Leymus chinensis population were also examined andthat more attentions were paid on the responses of many biological characteristics ofabove-and below-ground plant modules to different grazing intensities.Furthermore,in the respects of plant production,survival rate,tillering ability,total nonstructuralcarbohydrates content and others,the effects of one years different defoliationpatterns on the vitality of Leymus chinensis population were detected.

主要研究内容有:放牧对羊草草地植被和土壤的影响,致力于物种多样性、群落丰富度、植被演替和植物生产量、以及土壤容重、土壤水溶性Na+含量和五种土壤大量营养元素(N、P、K、Ca、Mg)的含量等土壤理化性状与放牧强度关系的分析,分析了不同放牧强度与羊草草地草群和羊草种群地上和地下各植物部分中多种营养物质的浓度、贮量及其分配的关系;放牧对羊草种群的影响,注重了羊草种群的地上与地下各植物器官对不同放牧强度的反应和适应性变化,最后,从植物生产量、存活率、分蘖能力以及总非结构性碳水化合物含量等方面,探讨了不同人为去叶方式组合对羊草种群当年和次年生活力的效应。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力