查询词典 infiltration

A numerical simulation technique based on the stable alternating direction implicit method and the upper bound element technique is presented and applied to simulations of extrusion directly following liquid infiltration which involves infiltration,solidification, and large plastic deformation in one process.

采用稳定的交替方向隐式有限差分方法、上限元法等数值计算方法模拟了融浸渗、凝固和大塑性变形为一体的液态浸渗后直接挤压的工艺过程。

The objectives of this study were to measure infiltration characteristics of soils on a steep betel palm farm in the Lienhuachi area of central Taiwan using simulated rainfall, and to test the adaptability of Philip's and Horton's respective infiltration models for sloping lands.

本研究经由野外模拟降雨试验，量测台湾中部莲华池坡地槟榔园入掺特性，并验证Philip及Horton入渗模式的适合性。

The hydrological process of bryophyte can be divided into 4 different stages,namely processes of rainfall interception,unsaturated infiltration,staturated infiltration and water loss.

对长江上游贡嘎山的冷杉林研究表明，苔藓层具有明显的拦截和调蓄降水的生态水文作用。

For raising the precision of solving infiltration in unsaturated soil, by reviewing advantage, and disadvages of existing methods, based on the transformation of Richards equation, a finite calculus of differences by advancing front self-adaptive grid for solving infiltration in unsaturated soil is built.

为提高非饱和土壤渗透求解的精度，综合考察现存方法的优缺点，通过理论研究，基于Richards方程变换，建立了非饱和土壤渗透求解的向前探索自适应网格有限差分法。

The following results were obtained: 1. Several multi-pore materials were compared and a nylon membrane was choosed to conduct experiments. 2. Two devices and methods for controlling negative hydraulic heads were developed. Coupled with the devices, a system for precise control of soil moisture udring pot experiment was developed. 3. Two times of pot experiment studying wheat seedling growth under precise soil moisture control were conducted. Some very important results were obtained. 4. Capillary rise, horizontal and vertical infiltration under different nagative hydraulic heads were observed. The concepts of "critical wetting distance" and "wetting coefficient" were proposed. The linear relationship between wetting front movement distance and cumulative infiltration amount was confirmed. Spatial distribution model of soil moisture and its simple derivation method were established.

通过该项目支持，获得了以下的研究成果： 1、比较和检验了不同多孔材料，初步选定了用于水分控制的多孔膜材料； 2、完成了两种负水头控制方法与装置的研究，并制作了仪器，与负水头控制装置配套，制作了盆栽实验用水分精控盆； 3、进行了两期小麦苗期水分精确控制盆栽实验，获得了一系列重要结论； 4、进行了不同负水头下土壤的毛管上升、水平入渗、垂直入渗研究，提出了临界湿润厚度、湿润系数两个概念，确定了湿润锋与入渗量的线性关系、土壤含水量的空间分布模型，土壤含水量空间分布的简单推算方法。

The gap method is better than other methods to calculate the infiltration amount of wind through windows and doors gap, but the infiltration characteristic exponent of the gap method is influenced by some factors, such as differential pressure、fluid state、gap width、geometrical shape etc, It's Range of.

相对于其它方法，缝隙法可较准确的计算通过门窗缝隙的渗风量，但是缝隙法中的渗风特性指数受到压差、空气流态、缝宽、缝隙几何形状等因素的影响，变化范围在0.5～1.0之间，工程应用中一般取0.67，这给渗风的计算带来很大误差。

Finally, four kinds of infiltration glass powder with specified color were developed successfully. The color and its stability of infiltration alumina ceramic were tested. The color match between alumina core ceramic and the Vitadur Alpha veneering ceramic were also tested. The physical and mechanical properties of infiltration glass and alumina core ceramic were investigated.

考察了玻璃渗透后铝瓷的颜色及稳定性，并与VitaIn-Ceram作对比，研究了用自行研制的玻璃粉渗透铝瓷后的颜色与VitadurAlpha饰面瓷的颜色匹配性，测试了渗透玻璃及玻璃渗透铝瓷的物理及力学性能，使CAD／CAM用玻璃渗透氧化铝陶瓷达到临床应用水平。

Results ① The percentage of positive TPOAb and TGAb were 91.4% and 74.4%, respectively in all the AIT patients. 47.6% of the patients had TSH levels within normal range (0.3～5mu/L).② All of the slides had different grades of lymphocytic infiltration. 49.3% had germinal center, 32.8% had Askanazy cells, 26.9% had plasma cells, 22.4% had colloid, and 9% had multinuclear giant cells.③ Lymphocytic infiltration was divided into four degrees. The levels of TSH and TPOAb increased significantly in the extremely heavy lymphocytic infiltration grade than in the others (P.05). There was no relationship between serologic markers and other cytopathologic features.

结果 ①82例患者中TPOAb、TGAb的阳性率分别为91.4%和74.4%，约有半数(47.6%)TSH值位于正常值范围内(0.3～5mu/L)；②所有患者细胞病理学均存在淋巴细胞不同程度的浸润，49.3%可见生发中心，32.8%可见嗜酸性变细胞，26.9%可见浆细胞，22.4%可见胶质，9%可见多核巨细胞；③将淋巴细胞浸润程度分级，分别与TSH、TPOAb及TGAb进行相关性分析，发现仅淋巴细胞极重度浸润者其血清TSH、TPOAb水平较其他组显著升高(P.05)，其他细胞病理学改变与血清学指标之间未发现显著相关性。

The influence of the infiltration temperature, the infiltration atmosphere and different kinds of aluminum alloys are investigated. The researches indicate that during the pressureless infiltration process, the atmosphere and temperature are necessary conditions.

对无压浸渗法制备B_4C／Al复合材料工艺过程中的温度、气氛、浸渗金属的研究表明：气氛、温度是无压浸渗发生的重要影响因素。

In order to study the effects of water supply intensity, soil bulk density, initial soil moisture and soil texture on infiltration ponding time under the condition of non-sufficient water supply, and build mathematical relation on infiltration ponding time and each factor, infiltration experiments with eight kinds of homogenized soils under non-sufficient water supply condition were conducted indoors.

为了研究供水强度、土壤容重、初始含水率、土壤质地等因素对非充分供水入渗积水时间的影响，建立入渗积水时间与单一因素的数学关系，在室内进行了8种均质土壤的非充分供水入渗试验。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。