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The paper focuses on the tetraploidy black locust on Loess plaeatu of West Shanxi province, applys steady state promoter method and image processing technology to study the days transpiration water consumption in different weather ,different seasons and different site conditions,has primary analysis on the impact of environment on the transpiration and carries on the calculation to the tetraploidy locust tree by the single leaf water consumption to the single tree water consumption in CaiJiachuan watershed; Uses fast weighing method to measure and analyze the transpiration water consumption of five different herbs under the tetraploidy black locust forest (Capillary Wormwood,Vanilla,Agropyron Sristatum , Common Sowthistle and Medicago Sativa) in short time, in the same and different growcrop,and calculates the average transpiration water consumption per square metres ;the soil colome weighing method was used for determining diumal variation quantity of soil moisture evaporation, analyzing the dynamic variation and caculating the total quantity of soil evaporation water consumption from May to August ; then 5 kind of suppositions about the types of surface vegetation coverage are proposed in experimented site and the total evapotranspiration water consumption are calculated under 5 suppoitions ,aim at providing preliminary theoretic basis for ascertaining the transpiration water consumption of tetraploidy black locust forest,controling standing forest density and optimizing the forest grass deploy on loess plaeatu of west Shanxi province .
本文以两种不同立地条件下的四倍体刺槐林为研究对象,采用了气孔计法对蔡家川流域生长季内不同天气状况下(典型晴天、阴天和半阴天)四倍体刺槐日蒸腾耗水规律、不同季节(生长季初期、中期和末期)的蒸腾耗水规律、两种不同立地条件下四倍体刺槐蒸腾耗水比较以及影响四倍体刺槐蒸腾耗水的环境因子进行初步研究分析,并对四倍体刺槐由单叶耗水量向单株耗水量进行推算;采用经典快速连续称重法对四倍体刺槐林地生长的主要5种草本植物(白蒿、香青兰、冰草、苦苣和苜蓿)短时段内蒸腾耗水规律、不同生长季内蒸腾耗水规律、同一生长季不同种类草本植物蒸腾耗水量进行了比较分析,并且采用面积与重量比的方法推算出了单位面积四倍体刺槐林地几种主要草本植物平均蒸腾耗水量:采用土柱称重法测定了5月份~8月份土壤水分蒸发昼夜变化量、对试验期内土壤蒸发量动态变化作了分析、推算出了试验地5月份~8月份土壤蒸发耗水总量;对试验地地表植被覆盖类型提出了5种假设,推算出5种假设的情景下蒸散耗水总量,旨在为晋西黄土区四倍体刺槐林蒸腾耗水量的确定、林分密度调控以及林草优化配置等提供初步的理论依据。
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On one hand this text proceeds from basic principle of the customer relationship management, probe into the theoretical foundation of supporting the customer relationship management, system model; On the other hand develop several respects such as the realistic meaning of customer relationship management, implementation of enterprise's customer relationship management to start with from enterprises, have done the preliminary discussion and studied.
一方面本文从基本原理,客户关系管理,探讨的理论基础支持的客户关系管理系统模型;在另一方面发展数等方面的现实意义客户关系管理,执行企业的客户关系管理首先来自企业,也做了初步的探讨和研究。
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She threw herself down on the bed, and at once, without any kind of preliminary in the most coarse, horrible way you can imagine, pulled up her skirt
她一头躺倒在床上,等不到任何准备动作,就撩起了裙子。那动作粗俗之极,怕人之极,让你无法想象。
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At first in the preliminary design this paper computes the linear damping coefficient of the viscous damper employed in this project using Composite Response Spectra approach, meantime, this paper proves that reducing the exponent of velocity of the piston can increase the magnitude of the dissipative energy, because of the viscous damper employed in the practical project character nonlinear behavior; next this chapter performs analysis and comparison between the building without and with the viscous dampers aforementioned when the building suffers from various Time Domain Response, from the angle of displacement, interstroy drift, velocity, interstory velocity, acceleration, energy, maximum axial force of the dampers and of the column etc., in order to prove that the incorporating the viscous dampers into the buildings has great superiority on enhancing its aseismic performance ; furthermore, this chapter also expatiates on diverse assembly form of the viscous dampers that results in the adverse impact on the internal force of the structural member in this building, on the ground of which this segment bring about the preference of the assembly form of the viscous damper; finally this chapter points out the sphere of application of the analysis and computation using Composite Response Spectra approach in design: it is available in well-proportioned stiffness structures and isn抰 available in the structures that contain weak story. It is recommendable, particularly, to incorporate the fluid viscous dampers into this structure that contain weak story to refrain earthquake and reinforce, such as the Central Hall of Shanghai Exhibition Hall.
首先使用了反应谱分析法设计出欲附设的粘滞阻尼器的线性阻尼系数,由于实际工程所用的粘滞阻尼器具有非线性的特性,故而笔者又证明了降低速度指数对提高粘滞阻尼器的耗能量的优势所在;接着分别从位移、层间位移、速度、层间速度、加速度、能量、最大阻尼出力和柱轴力等不同的角度对结构在附设粘滞阻尼器前后的时程反应进行了分析对比,籍此在实际工程中证明了附设粘滞阻尼器对于提高结构的抗震性能的优越性;再者,笔者还阐述了采用不同的粘滞阻尼器布置方式对结构中构件内力特别是柱轴力和基座竖向反力产生的不利影响,并在此基础上提出了布置方式的优选;最后,指出了反应谱法在设计中的适用范围:对于均匀结构反应谱法能够使用,而对于含有薄弱层的结构反应谱法并不适用;对于类似于上海展览馆中央大厅的含薄弱层的结构尤其值得使用粘滞阻尼器的方法进行抗震加固。
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In the second section, the author firstly makes a simple discussion on the distribution and date of the ivory Zhangs in China and then gives a preliminary classification on those excavated in Shanxingdui site.
第二节首先简单的论述全国"牙璋"的分布情况及其年代,然后对三星堆所出土"牙璋"进行初步分类及分期。
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Based on the analysis of thermal sources of the electric transmission and the work status of main parts,the heat dissipated from each of the thermal sources was estimated,the preliminary computation of the heat balance was conducted.
基于对电传动冷却系统热源及其工作情况的分析,估算了各热源需要散发的热量,进行了初步热平衡计算,在此基础上提出了适应装甲车辆电传动情况冷却系统结构方案,该方案由高、低温循环回路组成。
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After the preliminary trials and practice,the authors have proposed some new ideas and teaching strategies in implementing bilingual teaching in thermotics and electromagnetics in order to further promote bilingual education in colleges whose focus is directed at teaching.
通过对普通物理双语教学的探索和实践,本文旨在提出在教学型院校进一步推进双语教学的思路和对策。
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It was also reported to reduce up to 50%~90% production of clover in Hawaii due to its transmission of the Transmit Tomato Spot Wilt Virus. Our preliminary risk analysis shows that the risk of western flower thrips to crops, fruit trees, greenhouse flowers, and vegetables etc.
根据对其初步风险分析得(来源:ABC论83文网www.abclunwen.com)知:由于西花蓟马在中国存在广泛的适生区,且扩散能力强,危害大,控制可能性小,其给中国农作物,果树、温室花卉、蔬菜等带来严重危害的风险非常大。
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Baidu is collecting a website that day, can undertake be checkinged artificially first to the website, lie between one week later, baidu robot already finished the preliminary index to the website, can have artificial examination 2 times, lie between two weeks again (collect 20 days of) namely, baidu already made good website reference in the round, show majority webpage come, can have artificial examination the 3rd times, abbreviation Baidu tierce is checked.
百度在收录网站当天,会对网站进行首次人工检查,隔一周后,百度机器人已完成对网站的初步索引,会有二次人工检查,再隔两周(即收录20天),百度已全面做好网站索引,把绝大部分网页都显示出来,会有第三次人工检查,简称百度三度检查。
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This papers is divided into six chapters and seeks to combine heritage buildings and the concept of modern information. The author make a preliminary analysis and research about historical information constitution of heritage buildings. On this basis, we strive to present a new vision to examine and discuss about the conservation of heritage buildings. Throughout the course of the study and exposition, we make Chinese ancient buildings of timbered structure as its main target, and combine with many examples about ancient buildings of timbered structure in Shanxi Province. In this papers, the author combine the abstract information with the concrete buildings closely, and hope to provide a new way of thinking for the study of heritage buildings through this way.
本论文共分为六章,旨在将文物建筑和现代信息概念相结合,并对文物建筑历史信息的构成进行初步的分析与研究,在此基础上,力求以一个新的视角对我们当前的文物保护工作进行审视和讨论,在整个论述与研究过程中,我们以文物建筑中的中国古代木构建筑为主要研究对象,并结合了大量独具价值的山西省古代木构建筑实例,把抽象的信息和具象的建筑紧密结合,希望能通过这一途径为文物建筑的研究、保护等工作提供一个新的思路,以达到抛砖引玉的效果。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。