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A study on the dynamics of soil bulk density,soil organic matter,soil microbes and other soil ecological factors under different human disturbance (logging and assart,logging but without assart,control)were conducted in the Ziwuling secondary forest area.

:对黄土高原陕西子午岭次生林区不同人为扰动条件下林地土壤容重、有机质、团聚体和微生物等进行了研究。

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。

In this paper, based on the effect of both of them in latitude and time observation, the data of observation of a Danjon astrolabe at the Shanghai Observatory from 1960 to 1978 were analysed with the method of maximum entropy spectral analysis.

本文根据二者对纬度和时间观测结果的影响,用最大熵功率谱方法方析了上海天文台丹容等高仪1960~1978年的观测资料,得到了空间自由章动在纬度和时间资料中引起的周期、振幅分别为P2,1=208平太阳日、A1=0。

To give the definition of the mass concrete and to concrete\'s cracks together with practical meanings of control ,and give a brief review on the research in the field at home and abroad, at last, methods to control temperature crack of the mass concrete from several aspects such as design measures,concrets material, construction schedules.etc are summed up; To explain the physical mechanics of the concrete and computing methods-Difference Method and Finite Element Method, and illustrate the application of their specific methods repectively;Several temperature factors that can influence the temperature stress of mass concrete baseplate are analyzed. The influence degree of temperature factor can be got through the ANSYS simulation computation the control of temperature can control the temperature stress, consequently control the temperature crack of mass concert baseplate; through the influence of the crack resistance ability of mass concrete baseplate which takes the reinforcement as a part is analyzed. By ANSYS simulation, the best suited volume ratio of reinforcement is found out, at same time the layout of reinforcement with the same volume ratio can also affect the resistance ability of mass concrete baseplate. Sum up of above analysis, anti-crack function of steel bar in early mass concrete baseplate is obvious, so it\'s necessary to consider beneficial effect of construction steel bar in research of temperature control on mass concrete baseplate.

本文先容了大体积混凝土及混凝土裂缝的基本概念,对国内外在这个领域里的研究现状作了扼要叙述,并从结构设计、混凝土材质、施工措施等方面总结了大体积混凝土温度裂缝控制的方法及防止措施;阐述了混凝土的基本物理力学性能,总结了大体积混凝土温度计算的方法——差分法和有限元法,并分别举例说明其具体应用的方法;分析了影响大体积混凝土底板温度应力的几种温度因素,利用ANSYS模拟计算,得出了每种因素的影响程度,通过分析提出了在这几种温度影响因素下如何通过控制温度以达到控制温度应力从而来控制裂缝的具体建议;针对大体积混凝土基础底板中配筋的不同对混凝土底板抗裂能力的影响不同,利用ANSYS进行模拟分析,得出底板中最合适的体积配筋率,同时分析了在相同体积配筋率下钢筋的具体布置对大体积混凝土基础底板抗裂能力的影响,分析表明,配置钢筋对混凝土结构的开裂阻止作用明显,在研究大体积混凝土温度裂缝题目时,要考虑钢筋在其中的有利作用。

Was founded in 1996, the main production and marketing of toiletries products, over the years with the vast number of customers common development and progress, I Division of Product Quality Assurance has been recognized by society, our main products are: high school at the end of profile professional brush sets, gift sets of brushes in small, high-grade paint, Blusher Brush, Eyeshadow Brush,, scalable brushes, a variety of styles single comestic brush, pencil, brush mask midrange, NBR sponge brush, eyebrow comb, Make-up accessories, all kinds of powder Park, makeup sponge, eyebrow folder, eyebrow scissors, nail products, Xiu-rong portfolio, nail scissors, nail file and so on, not only product range can also be customized according to customer's sample, the product of the handle , wool and other raw materials in accordance with the requirements of customers change, regardless of any make-up appliances, products and styles, we all can do, the joy to come to the broad masses of customers advice ~!

广州欧雅美化妆用具有限公司成立于1996年,主要生产和销售化妆用具系列产品,多年来与广大客户共同开发和进取,我司产品的质量保证得到了社会的认可,我们主要产品有:高中底档专业套刷,精美礼品小套刷,高档粉刷,腮红刷,眼影刷,唇刷,伸缩刷,各种款式单支化妆刷,眼线笔,中档面膜刷,NBR海绵刷,眉梳,彩妆配件,各种粉朴,化妆绵,眉夹,眉剪,美甲产品,修容组合,指甲剪,指甲锉等等,不但产品齐全,也可以根据客户的样板订做,产品的手柄,毛料等原材料可以根据客户的要求而改变,不管是任何化妆用具产品和款式,我们都可以做到,欢乐广大客户前来咨询~!

The step-by-step instructions to applying concealer, foundation and bronzer were left in a London cab along with a pile of sensitive documents.

据英国《太阳报》11日报道,英国首相布朗的助手不慎将部分机密文件和一份布朗的化妆手册遗忘在伦敦出租车上,上面记述了布朗应怎样为自己化妆的详细步骤,包括遮瑕膏的使用、底妆和古铜色妆容的化法等,令布朗陷入窘境。

Although there is a little carbonite caused by some magmatic dikes in the CarboniferousPermiam coal, most Carboniferous-Permian coal has no great differences in vitrinite reflectance, crystalline indices, bulk specific gravity, hardness, and the content of velotile matter from the Jurassic coal, and both are super-anthracite.

区内石炭—二叠系煤与侏罗系煤除了前者含有一些由侵入体造成的天然焦或半焦外,二者均为超无烟煤,在镜质体反射率、煤晶核结构、显微硬度、挥发份和容重等方面上均没有明显的差异,说明区域变质是在煤系地层沉积之后发生的。

The main farmland soil types in Heilongjiang province are of white pulp soil, black soil, Chernozem, meadow soil. In this study, according the actual value of dry soil density, capacity soil moisture constant by weight, soil porosity with different soil in different vertical layers, applying statistical analysis method, to solve the internal relations among the three index above.

黑龙江省早作区耕地土壤主要类型有白浆土、黑土、黑钙土、草甸土,本项研究通过不同类型、不同层位土壤的比重、干容重、田间持水量、总孔隙率等的实测值,采用统计分析中回归分析方法,探索各项物理指标之间的内在关系。

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。

On the basis of the calculation of phase equilibrium of multicomponent mixture,in this paper,the main equilibrium properties of an optimum gas mixture are calculated using the cubic equation of state ,including P-V-T parameters,enthalpy and entropy.

在基于多元混合物工质气液相平衡计算的基础上,介绍了利用立方型状态方程计算多元混合物节流制冷工质的压力,比热容、温度、焓和熵等平衡物性的方法。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。