经过一定的时间

According to the calculated proportion of aniline and dye, if the other reaction condition is maintained, and the proportion in electrolyte is changed, the DS-PAn film with different sensation properties can be obtained, i. e. absorption range and intensity in visible spectrum can be controlled by the proportion of aniline and dye.

实验证实，可以通过预先计算苯胺与染料的比例，在电解液中改变苯胺与染料的比例，保持其他电化学反应条件不变的情况下，在经过一定时间反应后，可在多种衬底上生成不同增感效果的DS-PAn薄膜，同时此薄膜在可见光区的吸收谱带的宽度和强度可由聚苯胺与染料的比例来控制。

Then we must be very, very long time, then we will do that only after many, many sad, long enough to give birth exuviate sharp edges and corners of the shell, long to have a single blow of its own, become infinitely strong courageous.

那么我们一定要经过很长很长是时间，那么我们一定要经过很多很多的悲伤，漫长到足够蜕生出棱角鲜明的外壳，漫长到曾经不堪一击的自己，变得无限勇敢坚强。

Being a model's turn to arrange gleam of needle wheel speed reduction machine drive pawl drive, the straight line with regularity to transport a form directly, make the jar body ,jar cover have certain sojourn time, clean a job process coming to be completed the working procedure fixing material,cleaning ,blowing doing ,expecting that under drying ,and so on on one by one delicate place,lts characteristic is in the process of purge and puff cadre, the jar body ,jar cover can overtum the angle,makes arbitrarily to purge and blow caere to further improve and perfect.

该机型以摆线针轮减速机直接带动棘爪传动、以规律性的直线输送形式，使缸体、缸盖在各个工位上都有一定的停留时间，经过上料、清洗、吹干、干燥、下料等工序来完成清洗工作。它的特点是在清洗和吹干过程中，缸体、缸盖可以翻转任意角度。使清洗和吹干更加完善。

Modern approach methods of geography, ecology, quantitative analysis, expert integration, remote sensing image analysis and geographical information system were combined to reveal the matters in this paper. The eco-geographical background of the research area and the research work studied by other scholars were comprehensively expatiated. The temporal and spatial variation of precipitation and soil moisture, vegetation and soil distribution, and land use/land cover were compared as well. On the basis of foregoing analysis, the eco-geographical differentiation was discussed. According to principles and indicators, with extension engineering method and integrated analysis, the physical geography boundary between subhumid and semiarid areas were demarcated. By using remote sensing image analysis, wavelet analysis of the perennial precipitation and temperature, and the comparison of temporal and spatial variation of the desertification, this paper accounted for the regional response to global environmental change and suggested the dominant environmental problems.

本文采用了地理学与生态学相结合、定量分析与专家集成相结合、遥感图像解译和地理信息系统相结合的方法，对研究区的生态地理背景和已有研究工作进展情况给予了全面的分析和阐述；通过对区域水分条件（大气降水、土壤水分条件）、植被、土壤、土地利用／土地覆被状况等环境要素的时间与空间特征的对比分析，探讨了研究区内部生态地理特征的差异；在一定的原则指导下，通过建立指标体系，以可拓工程方法和模型为支撑，经过综合分析确定了研究区内半湿润、半干旱区界线划分方案；通过遥感图像解译、典型站点多年降水与温度的小波分析、土地沙漠化时空变化的对比分析等，说明了研究区域对全球变化的响应；表明了该区域所面临的主要环境问题。

With radiation of the underfloor air conditioning system is one special underfloor air conditioning system, in this kind of system, static pressure box under the floor can not be taken insulation work, so, after some time, the surface temperature of the floor will change, can have a certain impact on hot wet load in the room, thus cause the change of state of underfloor air conditioning system.

带有地板辐射的地板送风空调系统是一种特殊的地板送风空调系统，这种系统中，室内地板下的空调静压箱不采取保温措施，因此，经过一段时间以后，地板的表面温度会发生变化，可以对室内的热湿负荷产生一定的影响，从而引起空调系统的送风状态的改变。

Results showed sTGC-CM, which is similar with the effect of hTGC-CM, was able to induce human DPSCs to make odontoblastic changes as indicated by remarkable morphological changes, increased proliferation ability, higher multipotential and colony forming capability, and expression of some odontogenic markers in gene and protein levels,such as DSP, DSPP, DMP1, BSP, OCN, OPN.

结果表明：人牙髓干细胞经过一定时间的猪牙胚条件培养基诱导后，能在细胞形态上和细胞周期上发生改变，能具有更高的克隆形成能力和多向分化能力，能维持更好的干细胞特性，具有更强的增殖能力，表达更高水平的碱性磷酸酶，免疫组化和RT-PCR提示诱导后的牙髓干细胞能在蛋白水平和基因水平表达出一些牙向分化的标志，如DSP、DSPP、DMP1、BSP、OCN、OPN等。

Samples were immerged in distilled water for a certain period of time,and the tensile and bending properties of the composites were measured.

在经过一定时间蒸馏水的浸泡后，对材料的拉伸及弯曲性能进行了测试，并对经水浸泡前后复合材料的显微照片进行了分析。

I understood that the rubber sizing material process presses out makes certain shape semifinished materials, becomes the half-finished product to cause it with to delay the rubber or the rubberizing textile material after the pressure combines is taking shape together, but the mold design manufacture's request talented person can grasp the system regulation criterion, must be precise, processes the mold to be bright and clean, but these two aspects advertise for the administrative personnels now many enterprises are the request are strict, also needs to arrive at the workshop to practise first exercises one year even longer time, because makes technical the need in reality multi-accumulation experience, finds the problem, the familiar workshop service, masters more knowledge, can the better managerial talent.

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On the PRBs. Experiments results indicated that under the same condition, the treatment effect of contaminants directly correlated with retention time of contaminants in rectors; ZVI take an important role on decomposing the complex non-biodegradable or difficult biodegradable org...

实验结果表明：在相同条件下，污染物的处理效果与滞留时间直接相关；零价铁对复杂的不可生物降解或难生物降解的有机物向简单有机物的转化起了重要作用，经过反应器后使ρ(BOD5)/ρ值从初始0.32增至0.5~0.79，增强了有机物的可生物降解性；不同的辅助反应介质对污染物的去除具有一定的选择性。

After observation for a period of time, Lady Chen realized finally that the hill myna was mechanically imitating the promises her husband made to his lover during his phoned conversation when Chen was not home. It is unexpected that walls have ears. Some key words were learned and mechanically imitated by the well-trained hill myna. When she adduced this evidence to the testimonies, her husband was surprised very much.

经过一段时间的观察，陈女士终于回过神来：这一定是她不在家时，丈夫与情人通电话时作出的&承诺&——不料隔墙有耳，一些关键词句被这只训练有素的鹩哥依葫芦画瓢地搬了出来，当陈女士将这些证词向丈夫提出来时，丈夫惊讶万分。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷