周期率

Based on them, distribution laws of subgrade temperature field under fluctuant boundary temperature cycle conditions are analyzed, and different ratios of slope for general subgrade and different status when there are or not banquettes are compared by laboratory simulation and numerical analysis; thermal insulation and cooling effect of thermal insulation slab, broken stone and non-power heat pipes is respectively investigated under the trend of elevated temperature by numerical analysis, laws of subgrade deformation are predicted under the trend of elevated temperature and influences of subgrade thaw settlement on pavement stress are studies by numerical computation for observation data of representative road sections selected.

为研究青藏公路冻土病害处治对策，从青藏公路2002年～2004年冻土病害整治工程实际出发，在系统分析研究青藏公路病害及发生机理的基础上，运用室内模拟试验、数值分析方法，依托处治冻土病害路段实际使用的隔热板路基、碎石路基、无动力热棒路基等进行现场试验，分析边界温度周期波动条件下的路基温度场分布规律，同时进行一般路基不同边坡坡率的对比研究及有无护坡道的对比研究；运用数值分析方法，对气温升高趋势下隔热板、碎石、无动力热棒的隔热降温效果进行了研究；选择代表性路段观测资料，运用数值计算的方法，进行升温趋势下的路基变形预测，研究路基融沉变形对路面应力的影响。

According to the energy efficient requirements and characteristics of HDRWSN, a Load Balanced and energy aware routing protocol considering both energy consumption status and load congestion levels of sensor nodes has been proposed. LBEAR protocol equipoises network energy and load distribution, therefore, it can prolong the lifetime of HDRWSN through resource equilibrium.

根据高数据率无线传感器网络的能量高效需求和大数据量的特点，本论文提出了一种新型的LBEAR(Load Balanced and Energy Aware Routing)协议，LBEAR协议综合考虑了节点能量消耗状态和节点的负载拥塞程度，均衡了网络能量分布和负载分布，通过均衡网络资源延长了网络生存周期，从而提高网络的节能特性。

For coal-fired boilers: coal rate of 8 ~ 20%; clear coking coal-fired system 50 ~ 95%; to reduce sulfur emissions 20 ~ 30%; to reduce harmful gas emissions 50 to 95 percent; firepower improve about 20%; lower value of about 14% of spontaneous combustion, and life brought about by the extension of the boiler to reduce the repair cycle of the furnace, flue, heating surface, such as equipment maintenance Qing Jiao role in enhancing the stability of combustion, reducing harmful gas emissions and other benefits.

对于燃煤锅炉：节煤率为8～20％；清除燃煤系统结焦50～95％；降低硫排放20～30％；降低有害气体排放50～95％；火力提高20％左右；降低自燃值14％左右，并带来延长锅炉使用寿命，减少维修周期，对炉膛、烟道、受热面等设备具有清焦保养作用，提高燃烧的稳定性，减少有害气体的排放等效益。

On the other hand, folacin deficiency doesn't affect cell proliferation, cycle, aoptosis and methyl status of P53 exons 6, 7 and 8 in the MCF-7 cell line.

叶酸缺乏对乳腺癌细胞株MCF-7的生长及各细胞周期的分布、凋亡率、P53外显子6、7和8的DNA甲基化程度无显著影响。

The permeability of ore mass has a great influence on the leaching period of heap leaching and the leaching efficiency,hence the uranium ore s with high content of clay is difficult to acidic heap leaching.

矿堆的低渗透性能是局限矿石浸出周期及金属浸出率的最主要因素之一，因此，长期以来，高含泥量的铀矿石一直是酸法堆浸提铀技术的应用禁区。

On the basis of studying EH-4 data processing, we ase a menthod to read time-sires file correctly, adopt periodogram means to recalculate auto-power spectrum, cross-power spectrum and tensor impedance component, and recalculate resistivity depend on tensor impedance component. We compile proprietary softwareEH-4 Data Processing Program.

本文在剖析EH-4系统数据处理流程的基础上，正确地读取了EH-4系统原始时间序列文件，采用周期图方法重新计算了自功率谱、互功率谱和张量阻抗分量，以及由阻抗定义的视电阻率，编制了专用软件EH4 Data Processing Program。

RESULTS: Wound healing rate, wound healing time, histopathology analysis, quantity assay of macrophage, determination of hydroxyproline, proliferation of cell, assay of DNA contents and circle of cells, level of transforming growth factor-alpha, levels of interleukin-1, interleukin-6 and tumor necrosis factor, assay of keratinocyte collagenase-1, level of fibroblast growth factor receptor-1, level of monocyte chemoattractant protein-1 and level of keratinocyte plasminogen activator inhabitor type 2 were selected as the evaluation criteria of wound healing.

结果 筛选了创面愈合率、创面愈合时间、组织病理学分析、巨噬细胞定量分析、羟脯氨酸含量测定、细胞增殖情况、细胞DNA含量和细胞周期分析、转化生长因子-α水平、白细胞介素-1、白细胞介素-6和肿瘤坏死因子水平、角质细胞胶原酶-1含量测定、成纤维细胞生长因子受体-1水平、单核细胞化学诱导蛋白-1水平和角质细胞纤溶酶原活化抑制剂-2水平等十三种创面愈合评价指标。

Inexpensive Chinese goods have kept down our inflation rates and enabled us to prolong the upswings of our business cycles because the Fed doesn't have to raise interest rates so quickly in order to slow inflation.

廉价的中国产品已经降低了我们的通货膨胀率，也使我们能够延长商业周期的上扬态势，因为美联储没有为了放慢通货膨胀的速度而不得不迅速提高利率。

Inexpensive Chinese goods have kept down our inflation rates and enabled us to prolong the upswings of our business cycles because the Fed doesn ' t have to raise interest rates so quickly in order to slow inflation. Similarly, Chinese purchases of U.S.

低廉的中国商品已经使我们的通货膨胀率维持在一个稳定的水平，并使我们能够延长商业上升周期，原因是联邦储备委员会不必快速提高利率来减缓通胀。

Based the optimized batch-fermentation condition, it was confirmed that the DE of cassavahydrolysate in the fed batch culture was 80, 4%(NH4)2SO4, adding fed batch culture four times 36hours after the fermentation beginning, and 1.5 hours of fed interval, were the optimized fed-batchfermentation conditions, by studying the culture composition, method, original time and interval offed batch, and some main parameters of the citric acid fermentation, such as citric acid yield, invertrate, fermentation periods and residual glucose.

在批式发酵优化条件的基础上，通过对补料液的组成、补料方式、流加起始时间、流加间隔时间等对柠檬酸发酵过程的主要参数，如产酸率、转化率、发酵周期、残糖等的影响进行了研究，确定了柠檬酸补料发酵的优化条件，即：补料液中木薯糖化液的DE值为80，加入0.04%(NH4)2SO4；发酵36h小时开始分四次流加补料液，流加的间隙时间为1.5小时。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。