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The energy balance equations and exergy balance equations of beat exchanger and power equipment in the combined power cycle were established. Taking condensation temperature of Rankine cycle, inlet and outlet pressure of turbine of Rankine cycle, inlet and outlet pressures of turbine of LNG cycle as key parameters, the influences of these parameters on the thermal efficiency and exergy efficiency of the combined power cycle were analyzed.

建立了混合动力循环中换热和动力设备的能量平衡方程和可用能平衡方程,并以朗肯循环冷凝温度、朗肯循环透平进出口压力、液化天然气循环透平进出口压力为关键参数,分析了上述关键参数对混合动力循环热效率和可用能效率的影响。

Both DNA contents and AgNOR can reflet the cellular proliferative activity and play a important role in distiguishing benign and malignant mixed tumors, that the number and shape of AgNOR are useful for juding the recurrent of mixed tumor.

高SPF率和AgNOR对良恶性混合瘤的鉴别有重要价值;AgNOR颗粒数目和形态对良性混合瘤的复发有较高估测价值。

According to Tsao and Sargent's hypothesis, the basic model of unsteady lubrication in mixed film lubrication regime in strip rolling was presented.

根据Tsao和Sargent的混合润滑假设,建立了板带轧制时混合润滑状态下的非稳态润滑基本模型。

In this thesis, we mainly study the separability and the equivalence under local unitary transformations of quantum states.

本文一方面就混合态的可分性判定问题作了一些研究,另一方面也在混合态的局域幺正等价性方面取得了一些成果。

Before repellency and anti-silverfish assay, the culture system for silverfish was established in this study. The best feeds for silverfish were cellulose and mixed feed in a 1:1 ration (the composition of mixed feed was milk powder: oatmeal: yeast= 1: 9: 9). Moreover, the hatching process was not necessary for the mature of silverfish eggs. According to the results obtained in the repellency assay, the essential oil of leaves and woods from C.

为了进行忌避和致死试验,本研究首先对衣鱼进行饲养及孵化条件测试,於实验后得知最适合衣鱼生长之条件为纸张纤维与混合饲料(酵母粉:麦皮:高蛋白=9:9:1)混合比例为1:1时之生长状况最佳;另外,衣鱼卵并不需要成虫的孵化,而虫卵的生活条件则与成虫一致。

So we have in the dissertation: 1. First we proposed the minimal singular blending function, and established the minimal singular blending functions of power form、Bernstein form and Bézier form.

提出了最小奇异混合函数,研究了它的建立方法,给出了各种形式的最小奇异混合函数,有幂形式、Bézier基形式及Bernstein-Bézier基形式。

The conclusion was drawn by the synthesis of molecular sieve: after mixed soluble glass and aluminium sulfate with proper proportion under room temperature, it was stirred stormily to react. And then we mixed with potassium hydroxide solution after filtrating. At last, the molecular sieves of potassium type was synthesized after the mixture reacted in the oven or autoclave for 24 hours. The molecular sieve was remodeled more than twice with ammonium chloride solution that the concentration was 3mol/L and then remodeled twice with the saturated sodium chloride solution. Finally the molecular sieve was changed into the sodium type. It was named W zeolite.

通过对分子筛的合成得到:以泡花碱、硫酸铝为原料,以硅铝比按一定比例于室温下将二者混合,激烈搅拌,抽滤后与氢氧化钾溶液混合放于烘箱或高压釜中高温晶化24小时,晶化后的分子筛为钾型,先后用3mol/L氯化铵溶液和饱和食盐水各对其改型两次以上,最后改为钠型,可制得W型沸石分子筛。

Its decomposition errors is 10 times little than that of spectral factorization, and its decomposition speed is quite faster than that of direct elimination, especially in dealing with a large number of matrix.

混合方法与谱法相比,在非均匀介质中的矩阵分解时提高精度近10倍;在计算速度方面,混合方法也远比直解法快,特别在处理大量矩阵分解的时候,这一优势更明显。

A hybrid method based on differential evolution and subgradient optimization is used to solve the problem. It is found that the proposed method can find solutions better than the de facto commercial software LINGO.

在采用一种混合微分演化及次梯度优化法来解决此问题之后,实验结果发现这种混合法比业界公认的商业软体LINGO能够找到更好的答案。

The infrared thermograph is fit for evaluating temperature difference of hot asphalt mixture just paved,but not fit for those compacted,which was covered with a film of water.

红外热像仪适用于评价松铺沥青混合料的温度均匀性,而不宜用于评价碾压后的沥青混合料。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力