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- 与 表明的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Based on investigating the short and intermittent structural plane, surrounding rockmass of the huge underground powerhouse in Three Gorge has been divided into five statistical similar areas according to its characteristic of rockmass structure by applying structure plane network simulation. Distributed characteristic of structural plane has been studied and based on it mechanics macrocharacteristic has been studied:(1) It is the first time that based on the result of structural plane network simulation rockmass quality of every structure area has been studied with applying blurred information optimum seeking technique and be compared with and RQD method. The result indicated that it has better effect to evaluate rock quality with blurred information optimum seeking technique.(2) It is the first time that the interrelated relationship of the result of in-suit rockmass deformation test and fractal characteristic of structure on test point has been applied to determine rockmass deformation parameter. The question of evaluating deformation parameters of engineering rockmass has been solved.(3) Anisotropy strength parameters have been determined by applying shear zones simulating method. The result indicated that there are different strength parameters in every structural area, after comparing the result of Fast Lagranian Analysis in continua number simulation method with that of method of weighted mean according to continuity. The result indicated that when a suitable reduction coefficient is been considered rockmass strength parameters can be simply and fast determined with method of weighted mean according to continuity where there is not enough test result.(4) Damage characteristic has been studied based on analysis fractal characteristic of structural plane network by applying fractal-damage coupling method. It is the first time that the concept of damage degree has been set up to evaluate rockmass quality according to the biggest principal damage.
通过对短小、断续性结构面统计特征的研究,将地下厂房区划分为五个岩体结构统计均质区,应用结构面网络模拟技术研究了各个岩体结构均质区结构面的发育分布特征,并以此为基础对岩体宏观力学特性进行了深入研究:(1)首次通过在结构面网络模拟计算结果的基础上,应用模糊信息优化技术研究了厂房区各个岩体结构分区的岩体质量并与岩体基本质量指标研究法、岩体质量指标RQD值研究法作了对比,结果表明以结构面网络模拟结果为基础,应用模糊信息优化技术进行岩体质量评价能够取得很好的效果,解决了工程岩体质量的定量评价问题;(2)首次通过对已有的现场大型岩体变形试验结果的分析及相应试验点岩体结构分形特征的研究,建立了结构面分布的分形维数和岩体变形指标间的相关关系,并首次应用这种相关关系根据结构面网络模拟及分形维数计算结果确定了缺少试验结果的地下厂房各工程部位的岩体变形指标而且应用于围岩稳定性计算,解决了工程岩体宏观变形参数的评价问题;(3)应用在结构面模拟网络图上模拟岩体剪切破坏带的方法,得出了岩体在不同方向上的强度参数,结果表明岩体的强度特性与结构面的发育方向和程度有着明显的关系,各个岩体结构均质区具有不同的强度参数;同时还通过应用拉格朗日差分法对岩体强度指标的数值分析并与按连通率加权平均计算法对比表明,按连通率加权平均计算法在考虑合理的折减系数情况下,可以简单快速地对缺少现场大型试验结果的具体工程部位实现岩体强度指标的估计,通过以上研究解决了工程岩体抗剪强度参数的评价问题;(4)通过结构面网络分形维数的研究,应用分形损伤耦合分析方法,研究了厂房区岩体的损伤特征,并首次引入"损伤度"的概念,建立了应用最大主损伤评价岩体质量的指标体系。
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The results showed that: The number of loci detected in the German mirror Carp, Japanese crucian carp and F1 were 200、207、218, and the number of polymorphic loci were 63、66、72,and the percentage of polymorphic loci were 31.5%、31.9%、33% respectively. The percentage of polymorphic loci of F1 was considerately higher than that of the parents indicating the rather great genetic variations within the 3 populations.
结果表明:在德国镜鲤、日本白鲫、F1中检测到的位点数分别为200、207、218,其中多态性位点数分别为63、66、72,多态位点比例分别为31.5%、31.9%、33%。F1多态位点高于父母本,表明它的遗传多样性和变异水平最高。
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The soil urease and invertase activity effected by Hg was investigated in different fertility soils. The results show that soil urease activity、maximum reaction velocity (Vmax、Vmax/Km) and reaction velocity constant k have remarkably negative correlation with Hg concentration so that these can be used as ecological indexes of soil polluted by Hg, Km changes a little indicating that the reaction mechanism of Hg and urease is nonreversible competitive restraint. Urease of low soil fertility is more damaged by Hg than that of high soil fertility, with severe pollution at Hg concentration of 6.00 and 14.79mg/kg respectively; while invertase is less sensitive to Hg than urease. Cultural time has less influence on the relationship of soil enzyme and Hg concentration.
对不同肥力土壤脲酶和转化酶活性受汞影响进行了研究,结果显示,土壤脲酶活性、最大反应速度Vmax 、Vmax/Km和反应速度常数k与汞浓度呈现显著或极显著负相关关系,表明其可作为土壤汞污染的生态指标;米氏常数Km则变化较小,表明汞与脲酶作用机理为不可逆竞争抑制;低肥力土壤脲酶比高肥力土壤脲酶受汞毒害作用更强,当汞浓度分别为6.00和14.79mg/kg时即达到严重污染;而转化酶对汞的敏感性较差;培养时间对土壤酶与汞浓度间关系影响较小。
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In different embryo developmental stages, its expression was decline gradually . This result indicated that the survivin may play important role in oogenesis and early embryogenesis. One PABP gene was cloned from the subtractive cDNA library.
RT-PCR分析表明该基因主要在卵巢中表达,随着胚胎发育表达逐渐减少,这可能表明该基因在半滑舌鳎卵子形成和早期胚胎发育中起到重要作用。ePABP是特异的在卵巢和早期胚胎表达的Poly结合蛋白。
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Result shows that enunciation weight of the the big youth pantheress rat of variety variance does not obvious, and has certain impact role on the spleen, thus may affect its immunity function.
实验结果表明,大豆异黄酮对青年雌性大鼠体质量的影响不显著,脏体比结果表明对脾脏可能有一定的影响,从而可能影响其免疫功能。
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This dependence can be explained by using a thermal fluctuation theory. Moreover, calculations show that the thermal stability of the exchange coupling is independent of the permalloy layer thickness.
用热涨落模型对实验结果进行了理论计算分析,分析表明热涨落模型能很好地解释以上结果,分析结果还表明Py层的厚度对交换耦合的热稳定行为没有影响。
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The results of GPC show that there are two different reaction mechanisms,linear condensation and cyclic reaction in the synthesis process,and the molecular weightreaches 1.17×105 and P d is 1.33.The DSC curves show that supercritical carbon dioxide can plasticize PC so that the T g of PC decreased.
凝胶渗透色谱测试表明,合成过程中存在线形缩聚和成环两种不同的反应机理,产物的重均分子量高达117740,分子量分布指数 P d=1.33;差示扫描量热法测试表明,超临界CO2能增塑PC致使其玻璃化转变温度降低。
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The crystalline mechanism difference of microcrystalline and polymorphous silicon was investigated by thermal gradient theoretical and hydrogen etching model.
研究电阻对时间的依赖关系表明氢化硅电阻值随测试时间增大而增大,XPS测试结果表明薄膜的氧化增大了薄膜电阻。
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They have A/CNK values of 0.9~1.2, suggesting aluminum saturation or ersaturation, and are enriched in LREE and LILEs and depleted in HFSEs. Their δEu values are 0.11~0.32, evidently indicating plagioclase fractional crystallization.(87Sr/86Sr)i ratios and εNdvalues are 0.707?9~0.716?1 and -6.90~-7.70 for volcanic rocks, and 0.7086~0.7098 and -7.10~-7.68 for quartz syenitic porphyrite, respectively, implying that all the igneous rocks from the Yandang Mountain were evolutional products of co-magmas, and derived mainly from the crust, mixed however with mantle components.
岩石富集轻稀土元素和大离子亲石元素,相对亏损高场强元素;δEu值为0.11~0.32,表明岩浆经历了以斜长石为主的强烈结晶分异作用;火山岩(87Sr/86Sr)i为0.707 9~0.716 1,εNd为-6.90~-7.70,中央侵入体石英正长斑岩(87Sr/86Sr)i为0.708 6~0.709 8,εNd为-7.10~-7.68,表明它们是同源岩浆不同阶段分异演化的产物,物质来源主要为陆壳,但也有地幔物质参与。
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The results demonstrate that SCEM-UA algorithm is well suited to infer the posterior distribution of Xinanjiang model parameters. The results of calibration and validation indicate that it is a feasible and effective for optimization and uncertainty assessment of Xinanjiang model parameters.
结果表明,该算法能很好地推出新安江模型参数的后验概率分布;率定和检验结果比较分析也表明,应用SCEM-UA算法对新安江模型进行优选和不确定评估是有效和可行的。
- 推荐网络例句
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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。
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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
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。