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graded    
相关语句
  分级
    Bamboo Graded and Applications
    竹材的分级与应用
短句来源
    The surrounding rock of underground cavities have been graded and leveled adopting the GB50218-94, GB50267-99, RMR and Q system.
    采用工程岩体分级标准(GB50218-94)、水利水电围岩工程地质分类(GB50267-99)、岩体地质力学RMR分类及岩体质量指标Q系统围岩分类,对地下洞室区围岩按其基本指标作出定量化评分、分级
短句来源
    Safe plan and design of geo-landscape in Hunan:analysis of landscape safety and ecological benefits of graded flow-block-up and decentralized water-store along river banks
    湖南大地景观安全规划及生态学效益分析——沿河两岸分级截流分散蓄水的治水模式
短句来源
    It is very important to determine reasonably the maximum grain size,graded sizes and gradation of the coarse aggregate.
    合理确定最大粒径、分级尺寸和级配十分重要。
短句来源
    This paper discusses the reasonable maximum grain size and graded size,introduces the theory and experimental results for selecting optimal gradation,proposes the experiential data for optimal gradation.
    本文论述了合理的最大粒径和分级尺寸; 介绍了选择最优级配的理论和试验结果,提出了最优级配的经验值。
短句来源
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  级配
    DESIGN METHOD FOR BROAD GRADED SAND GRAVEL FILTERS
    广级配砂砾滤层保砂性的设计方法
短句来源
    Research on Engineering Properties under High Dam Stress Condition of Wide Graded Gravel Soil Material
    砾石土宽级配土料在高坝应力状态下工程性质的研究
短句来源
    Experimental Research on Uniaxial Compression Stress Strain Curve for Fully Graded Concrete
    全级配混凝土单轴受压应力~应变全曲线试验研究
短句来源
    Sample Size of Strength Test for Full Graded Concrete and Strength Ratio of Large and Small Test Samples
    全级配混凝土强度试验的样本容量及大小试件强度的比值
短句来源
    Statistical Analysis of Limit Tensile Strain of Full Graded Concrete Samples
    全级配混凝土试件拉伸极限应变的统计分析
短句来源
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  渐变
    The turbulent law of open channels has been studied under the transition state,the laminar flow,transition state and fully developed turbulence can be thought as a developing,graded and fuzzy process,on the basis of which,with introducing the degree of membership of fuzzy mathematics,the turbulent law under the transition state can be described as the comprehensive function of degree laminar flow and degree turbulence,and the velocity distribution formula and the resistant coefficient formula under the transition state are deduced.
    通过研究过渡状态下的水流紊动规律,层流、过渡状态、充分发展的紊流可以被认为是一发展、渐变、模糊的过程。 基于此,通过引进模糊数学的隶属度,过渡状态的紊动规律可表述为程度的层流与程度的紊流的综合作用,导出了过渡状态下时均流速公式和阻力系数公式。
短句来源
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  graded
Structure of some ?-graded lie superalgebras of vector fields
      
In this paper we classify?-graded transitive Lie superalgebras with prescribed nonpositive parts listed in [K2].
      
We also study the structure of the exceptional?-graded transitive Lie superalgebras and give their geometric realization.
      
In the first paper we determined the graded algebra A(Γ2[3]) of Siegel modular
      
The graded $\mathbb{F}_p$-algebra A(V) turns out to be normal and Cohen--Macaulay, there is an analogue of Steenrod powers and also a "Karagueuzian and Symonds-type" finiteness theorem for its invariant theory, etc.
      
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Research in fluvial geomorphology in China during the past 30 years was mainly along the lines of valley geomorphology, channel geomorphology, estuaries and deltas. A great amount of systematic investigations has been carried out in the fields such as valley evolution history and features of Changjiang River(Yangtze River) and Huanghe River(Yellow River) and their relations with geology, climate, neotectonic movement, etc. Field evidence suggests that the course of Sanxia(the Three Gorges) of Changjiang were...

Research in fluvial geomorphology in China during the past 30 years was mainly along the lines of valley geomorphology, channel geomorphology, estuaries and deltas. A great amount of systematic investigations has been carried out in the fields such as valley evolution history and features of Changjiang River(Yangtze River) and Huanghe River(Yellow River) and their relations with geology, climate, neotectonic movement, etc. Field evidence suggests that the course of Sanxia(the Three Gorges) of Changjiang were formed as early as at the end of the Cretaceous, and then the Yangtze valley was sharply cut down from the uplifting Exi planation surface, and took shape of a series of deep gorges into limestone strata. Investigations have also found that the upper reach of Jinsha River near Dengke once flowed southeastward into Yalong River. Recently the study of river valley geomorphology of the Xizang Plateau reveals that Yaluzangbu River is an antecedent river and that the Daguaiwan gorge in the east of it is neither an elbow ot capture nor a tributary flowing westward to join the Indus as were formerly taken to be. Research into channel geomorphology developed somewhat later, but has made rapid progress. A grade separation system has been put forward for the classification of channel patterns, and attentions given to the dynamic characteristics of the formation and evolution of channel patterns by using C_v(variation factor of the peak discharge) and ρo/ρp(the ratio of incoming sediment concentration to the sediment carrying capacity in a channel) as indexes to indicate the stabilities of different channel patterns and the mutual transformations among them. By analyzing many rivers with heavy sediment concentration, a wandering index has been derived. Rivers having the value of greater than 5 are called shifting and less than 2 unshifting. In the middle and lower Changjiang, the latest research of meanders and relatively stable channel patterns has had some results. Observations and simulation experiments con the fluvial processes of the channels above and below reservoirs reveal that the channel of Huanghe below Sanmenxia Reservoir, after baving been washed by clear water, still remains shifting for a long time, and the headward silting end of Weihe channel above the reservoir stretches out or draws back within a certain limit. The investigations of deltas point out that since the Quaternary the mouth of Changjiang has been extending southeastward and that there exist imbricate fossil deltas under the water. As for the Huanghe delta, it is evident that since the diversion of the river course in 1855, a new delta with an area of 5,450 km~2 has been built up. Penetrating research has also been made on the geomorphological features and processes of the evolution of Qiantang River. Field survey discovers that the main source of Changjiang is Tuotuo River rising in Geladandong snowberg, and that of Huanghe is Kariqiu River originating in Geshigeya Mountain of the Bayankala Mountains.

三十年来我国河流地貌的研究主要为河谷地貌、河床演变和河口三角洲。其中,河谷地貌研究提出了长江三峡在白垩纪末已经形成,其后从鄂西期夷平面下切于石灰岩层内而形成一系列峡谷。发现金沙江上游在邓柯附近曾向东南流入雅砻江。论证了雅鲁藏布江横贯喜马拉雅山脉的为先成河,并非由于河流袭夺的结果。河床演变的研究提出了游荡指标>5为游荡,<2为非游荡。以C_v和ρ_o/ρ_p两值作为河型稳定和转化的指标。对三门峡、丹江口等水库上下游的河床演变进行了观测和模拟试验。研究了长江、黄河和珠江等三角洲的形成演变,提出了新的见解。经过实地考察发现长江的正源为沱沱河,发源于各拉丹冬雪山;黄河的正源为卡日曲,发源于巴颜喀拉山脉的各式各雅山。

According to the specification recently promulgated, it is required to determine filling criteria of incoherent coarse grain materials on the basis of their relative density. But in the light of the construction of earth rockfill dams at home and abroad, there are a series of problems to be solved in carrying out the requirements stipulated in the specification, such as the testing method of relative density of the coarse materials, the standardization of the method and its theoretical basis, method for determination...

According to the specification recently promulgated, it is required to determine filling criteria of incoherent coarse grain materials on the basis of their relative density. But in the light of the construction of earth rockfill dams at home and abroad, there are a series of problems to be solved in carrying out the requirements stipulated in the specification, such as the testing method of relative density of the coarse materials, the standardization of the method and its theoretical basis, method for determination of the relative density of the materials, method of analysis of practical errors, the confidence level of the representative model of gradation of the materials and some problems in the construction work concerning this material, etc.In this paper problems about continuous grading material as mentioned above are studied.

我国近期颁布的设计规范,对土石坝的无粘性粗粒坝料的要求是以相对密度确定其填筑标准。但是从国内外土石坝建设的实践来看,要满足上述要求,尚存在许多问题。诸如相对密度试验方法的归一化及其理论依据;大粒径材料相对密度的确定方法;相对密度实用误差的分析;代表性级配模型的置信水平以及施工控制中的有关问题等。本文结合石头河土石坝的工程实践,对连续级配材料的上述问题进行了探讨。

At present, an outstanding problem regarding the rational evel■tion of rock m■ss is trying to use one form■la and same p r meters to appr■ise the q■lity of all typ■s of rock mass, ignori■g■the controlling effect of the texture of rock m ss o rock m chanics. A new m thod to determine rock mass quality is prese ted i■ this pap r. Different formulae are used in accordance weith vatio s typs of rock ■mss texture, B■sides, grading of typ s of rock mass is also st■died.

目前,在评价岩体质量方面存在一个突出的问题,就是试图用一种公式和同样的参数计算所有岩体的质量,忽视了岩体结构对岩体力学性质的控制作用。本文提出,根根岩体结构类型不同,用不同的表达式计算岩体质量的新方法,并对各类岩体的分级进行了探讨。

 
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