查询词典 under-tenancy

With the aid of the experiment, crack formation and its expand pattern of ZTA ceramics under ultrasonic vibration were analyzed, its fracture criterion was established and the experiment results showed that intercrystalline fracture is the main fracture pattern of ZTA ceramics under common grinding, and transcrystalline fracture is the main fracture pattern of ZTA ceramics under TDUVAG, and the finding add to evidence showing that TDUVAG has better material removal property.

基于该方法分析具有预制裂纹的ZTA纳米复相陶瓷材料在超声振动条件下裂纹扩展方式，确立其断裂判据，通过该断裂模拟试验得出：沿晶断裂是普通磨削主要的断裂模式，而穿晶断裂是二维磨削主要的断裂模式，进一步证明二维磨削具有较好的材料去除特性。

Equiaxed and bigger grains are produced after C.P.Ti is deformed under the high temperature. Besides, many tiny subgrains were found in some of the metallurgical structure. The dislocation reaction caused by the deformation under the high strain rate generates ductile cellular metastructures, while the equiaxed cellular metastructures are generated under the low strain rate. The metallurgical structure of TC4 alloy including lath-shaped hexagonal martensite and trimetric martensite only exists in the higher temperature. The homogeneous, tiny and reticular grain shown after extreme high temperature deformation.

在高应变速率下变形引起的位错反应形成拉长的胞状亚结构，而低应变速率下变形则形成等轴的胞状亚结构；TC4合金在特高温变形条件下其金相组织呈网篮状，显微组织几乎全部为均匀细小的晶粒，同时出现了板条状六方马氏体；在温度尤其高的情况下还形成了斜方马氏体，变形引起的位错反应形成六方位错网络，在1200℃以下的变形易产生孪晶。

Among these three types of water locking damage, the water locking under underpressure condition has the minimal damage, the damage under overpressure condition is relatively maximal, and the damage under normal pressure is relatively medial pressure is relatively medial.

研究表明，低渗透砂岩气藏的水锁伤害具有普遍性和严重性，其中欠压作用下的水锁伤害最小，超压作用下的水锁伤害最大，常压作用下的水锁伤害居中。

The results showed that both of the chlorophyll a and total chlorophyll contents decreased under the stress of neutral salt. The changes of the chlorophyll b was not obvious and a/b not consistent. The chlorophyll a and total chlorophyll of R. pseudoacacia appeared an increasing decliningincreasing trend under the stress of mixed salt. The chlorophyll a and total chlorophyll of F. velutina increased under the stress of mixed salt. The changes of the chlorophyll b was not obvious either and a/b appeared a rising trend.

结果表明在中性盐的胁迫下，刺槐和绒毛白蜡总叶绿素和叶绿素a的含量随盐胁迫程度的增加而降低，叶绿素b的变化较小，叶绿素a/b并不呈现单一的变化趋势；在碱性盐的胁迫下，刺槐总叶绿素和叶绿素a的含量随胁迫程度的增加呈现先升高后降低再升高的趋势，绒毛白蜡总叶绿素和叶绿素a的含量随胁迫程度的增加而上升，叶绿素b的变化较小，叶绿素a/b都呈现上升的趋势。

Correlation analysis indicated that total chlorophyll contents in leaves of F. velutina and R. pseudoacacia Seedlings were negatively correlated with MDA content under both neutral salt stress and mixed salt stress. The total chlorophyll contents was positively correlated with Pro under neutral salt stress.However, the correlation was negative under mixed salt stress.

相关分析表明，两树种在中性盐和碱性盐胁迫下，总叶绿素含量与膜脂过氧化产物丙二醛含量呈负相关；中性盐胁迫下，刺槐和绒毛白蜡都与脯氨酸呈正相关，在碱性盐胁迫下则呈负相第3期武德等盐碱胁迫对刺槐和绒毛白蜡叶片叶绿素含量的影响

Results showed that:(1) soil loss from plough tillage was as much as 3~8 times that from no-tillage; the aerodynamic roughness lengths under plough and no-tillage were 0.032, 0.417, respectively.(2) No-tillage soil contained more clay and fine sand in the 0-10cm topsoil layer than the plough tillage soil. In the 0-5 and 5-10cm soil depth, the bulk density, soil hardness and soil moisture were more under no-tillage than plough tillage. Especially, the soil hardness in 0-5, 5-10 and 10-20cm under no-tillage were as much as 4.7, 2.8 and 3.8 times, respectively.

研究结果表明：翻耕农田土壤风蚀量是免耕地的3~8倍，翻耕地和免耕地的地表粗糙度分别为0.032和0.417；与翻耕地相比，免耕地表层0~10cm土壤粘粒和粉粒含量较多；免耕地土层0~5cm和5~10cm的土壤容重、坚实度和土壤水分都大于翻耕地，其中0~5cm、5~10cm和10~20cm土层土壤坚实度分别是翻耕地的4.7、2.8倍和3.8倍。

The birth and the development of concept of talents that is people oriented are inevitable. The historical development of talents concept depends on the different kinds of value pursuance of human development. Concept of talents of apotheosized morality which under the condition of natural economy in accent times, concept of talents of materialized intellectual which is under the condition of commodity economy in modern society, concept of talents of humanized free personality under the condition of product economy in the future society.

人的发展的不同形态的价值追求决定了人才观念演进的历史逻辑：古代自然经济形态下&神化&的&德性&人才观，现代商品经济社会形态下&物化&的&知性&人才观，未来产品经济社会形态下&人化&的&个性&的人才观。

The simple, easy and quick sensor-less control of position and speed has been attainted. At the same time, in order to overcome the shortcomings of low efficiency under high speed with flux-weakening, the control idea of boost under motor status and flux-strengthening under low speed status has been proposed from structure design and performance analysis by using the motor design and transient analysis software of ANSOFT.

同时为了克服永磁同步电机高速弱磁效率低的问题，借助于ANSOFT软件电机设计和瞬态分析工具，从结构设计以及性能分析方面提出了电动时升压和低速强磁控制相结合的控制思想，基本实现了永磁同步电机高速不需弱磁的大范围高效率的运行。

The seed were soaked in hot water under respective temperatures of 50℃, 60℃ and 70℃; soaked by concentrated sulfuric acid respectively for 5min, 10 min, 15 min and treated under ultra low temperature for 2 min, 5 min and 8 min; Then burgeoned under 15℃.

以12份从不同地区采集的达乌里胡枝子种子作为试验用种，采用不同温度(50℃、60℃、70℃)热水浸泡、浓硫酸(5min、10min、15min)浸种和液氮(2min、5min、8min)对种子进行硬实处理，在15℃温度下进行发芽试验。

The present dissertation deals with:(1) Exploring the feasibility of the CO〓 methanation and the conversion CH〓/H〓 into C〓 hydrocarbons under plasma with catalyst at ambient temperature and atmosphere.(2) Designing a reactor and preparing some catalysts suited for the conversion of carbon dioxide via the cooperation effect of plasma and catalysts.(3) Optimizing reaction conditions of conversion carbon dioxide to C〓 hydrocarbons in the proposed process.(4) Studying the reaction mechanism of conversion carbon dioxide to C〓 hydrocarbons under plasma by using in situ OES technology.(5) By the results of characterizing coked catalysts, exploring the reasons that result in the coking of catalyst and the paths for decreasing the deposit in the catalyst under plasma.(6) Analyzing the energy efficiency of the plasma catalysis and exploring the paths for improving the energy efficiency.

论文的主要研究工作包括：（1）探索脉冲电晕等离子体与催化剂共同作用CO〓／H〓甲烷化和由CH〓/H〓合成C〓烃反应的可行性；（2）研制等离子体催化CO〓转化的反应器和适配的催化剂；（3）优化等离子体催化CO〓转化制C〓烃反应的工艺条件和电参数；（4）利用原子发射光谱原位技术对等离子体反应的诊断结果，对等离子体催化CO〓转化制C〓烃反应的机理进行推断；（5）通过对积碳催化剂的表征结果，分析积碳的类型及其成因，并探讨减少积碳的途径；（6）通过对等离子体催化CO〓转化制C〓烃反应能量效率的分析，探讨提高等离子体催化反应能量效率的途径。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。