查询词典 variation method

The basis of this method is that the temperature variation of an etchant film is induced by the absorption or release of chemical heat during the startup of the reaction.

该方法的实质是利用反应启动时必然有化学热吸收或释放，从而引起材料表面液层温度变化这一特点，通过红外热像实时监测系统，采集液层温度变化过程的红外热像，从而判断反应启动时长。

As an example, an index method is applied to analyze a float valve tower to determine the variation range of some uncertain parameters.

以浮阀塔板为例，说明如何采用顶点法求解化工装置弹性系数，进行弹性分析，确定不确定参数真实可行的变化范围，比较不同设计的弹性大小；并找出瓶颈所在，为装置的扩产改造提供理论依据。

First, the conception of wet compression is defined. A calculation method of moist air and wet gas thermodynamics properties is set up, which treat them as real gas and can give out the results of any water-air/gas ratio. Second, the thesis build the simulation model of water injection between compressor stages of a single shaft gas turbine, based on which the stable analysis is processed and the characteristics of key performance parameters are given out, such as the variation of air flow, pressure ratio, turbine inlet temperature with the water quantities. Results showed that enhancement of power output is outstanding.

文中定义了湿压缩概念，研究适用于计算机计算的湿空气，湿燃气等实际气体的热物性计算方法，利用此法可较准确地计算任意水气比下湿空气，湿燃气的各热物性参数，建立并推导单轴燃气轮机级间喷水热力循环的数学模型，用此模型进行稳态循环分析，并得出级间喷水时燃气轮机各主要性能参数的变化规律，如随喷水量变化，空气流量、压比、燃气初温等的变化规律。

In order to verify the efficiency of DONtest-HPLC in breeding wheat with low DON, and to reveal the variation of DON content in wheat,8 cultivars with different resisance to fusarium head blight were used for analysis when fusarium head blight epidemic severely occurred in the middle and lower stretches of Yangtze River in 2003. The results indicated that DONtest-HPLC was a kind of quick and accurate method in detection of DON content with a recovery rate 78.2%in average.

以2003年长江中下游地区赤霉病大流行后收获的8个不同抗、感赤霉病小麦为材料，探讨DONtest-HPLC在低毒素小麦选育中的利用价值，并揭示不同抗性小麦脱氧雪腐镰刀菌烯醇含量的差异特点。

The non-linear problem of phase-change was solved by using the equivalent specific heat method, and the variation of contact areas were simulated by coupling different sets of nodes.

采用等效比热法解决相变的非线性问题，同时采用耦合不同节点自由度的方法模拟接触面积的变化。

Models of space variation were constructed at the directions of east-west and south-north based on the geostatistical method by using 10 survey data from the transplanting to ripening of the rice in Xiushan, Chongqing in 2008. Isoclines maps of the WBPH nymphs at each stage were created by the geostatistical software Surfer8.0 with Kriging interpolation.

本文根据2008年在秀山县的系统调查资料，运用地统计学中的半方差函数，建立了秀山县水稻栽插至成熟10次调查时间在东西和南北2个方向上白背飞虱若虫的空间变异曲线模型，并利用Surfer8.0软件对空间分布数据进行插值和模拟。

To adopt finite meta method analyzes stress strain action of Al-plastic compound pipe under Analog load status and studies the influence of load capacity by variation of diameter of medium Al layer and change of joint part length lap joints.

采用有限元方法分析了铝塑复合管在模拟承载状态下的应力应变行为，研究了中间铝层的直径变化以及搭接接头搭接部分长度的变化对承载行为的影响。

The probability grading for quantitative characters 400 large-flowered cultivars were chosed and their eighteen chief quantitative characters were tested and recorded according to the test method of morphological characters in the .The empirical distributions were determined by nonparametric test after the distribution range,mean value and variation coefficients of these characters were calculated and frequency diagrams were drawn.

数量性状分级选择代表性强的400个大菊品种，参照《菊花DUS测试指南》的形态性状测试方法，检测其18个主要的数量性状，并对性状的分布范围、平均值、变异系数进行统计计算，在此基础上，绘制了分布频次图，结合非参数检验判断性状的分布类型。

GCF was collected from labial and lingual of mesial site and distal site before the tooth preparation by filter paper. At the point of 6 month after cementation, GCF was collected at the same sites. The level of was collected at the same sites. The level of TNF-α was detected by enzyme-linked-immunoadsorbent assay method, and analyzed the variation between the pre-restoration and post-restoration.

选择临床病例24例，采用镍铬合金烤瓷冠和金铂合金烤瓷冠修复，分别在修复前、修复后6个月进行临床检查和取GCF，进行GCF量和TNF-α水平的测定。

Variation of soil organic phosphorus fractions and contents under different tillages for long term was studied in the layer of 0~5cm, 5~10cm, 10~30cm of calcareous soil in the Loess Plateau of central Gansu with the Bowman-Cole method.

采用Bowman和Cole提出的有机磷分级体系，对陇中黄土高原0~5cm、5~10cm、10~30cm不同耕作方式下土壤有机磷的组成变化进行了研究。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。