We use finite-time thermodynamics to study the effect of the irreversibility inside the heat engine and the thermal reservoir temperature ratio on the performance and the related parameters of a combined Carnot heat engine under the maximum ecological optimization function.

以有限時(shí)間熱力學(xué)研究熱機(jī)內(nèi)之不可逆性和兩熱庫間之溫度比等因素對(duì)於最大生態(tài)學(xué)準(zhǔn)則函數(shù)時(shí)復(fù)合卡諾熱機(jī)之性能和相關(guān)參數(shù)之影響。

According to the chemical thermodynamics isothermal formula,this paper leads to a new way of counting the heating effect .

根據(jù)化學(xué)熱力學(xué)等溫式国产区123在线，導(dǎo)出了一種計(jì)算熱效應(yīng)的方法欧美交配电影在线播放，其計(jì)算結(jié)果令人滿意

The thermodynamics and dynamics mechanism of stirring process was introduced on the basis of some experiments. A composite with homogeneous distribution of 10μm SiC in the AZ91 matrix was gotten.

在實(shí)驗(yàn)基礎(chǔ)上建立了攪拌混合過程的動(dòng)力學(xué)和熱力學(xué)機(jī)制，制備了一種顆粒分布均勻的SiC/AZ91鎂基復(fù)合材料中文字幕一区欧美。

According to statistical thermodynamics, theoretical analysis is carried on gas hydrate formation.

本文首先在統(tǒng)計(jì)熱力學(xué)的基礎(chǔ)上日本一区二区三区精品福利，對(duì)氣體水合物的生成條件進(jìn)行了理論分析。

The carbonylation of methanol, hydrogenolysis of methyl formate and concurrent methanol synthesis are analyzed with gas phase thermodynamics data.

首先求出了三個(gè)反應(yīng)在不同溫度下的平衡常數(shù)安全免费黄视频网站。

Based on the first law of thermodynamics and the law of hydrokinetics, the mathematic model of the pressure characteristic was established for the 252 kV self-extinguishing SF6 circuit breaker, and the pressure characteristic curve of the arc-extinguishing chamber can be obtained through computation.

高壓自能式SF6斷路器是近年來開發(fā)的一種基于較新滅弧方式的產(chǎn)品亚洲天天综合网在线。自能式滅弧室在開斷過程中通過電弧的加熱，使滅弧室內(nèi)的氣體壓力增加免费国产a国产片高清网站，產(chǎn)生足夠的壓力吹弧91嫩草国产在线观看免费。電弧加熱氣體的方式可以減小滅弧室的體積并且降低操動(dòng)機(jī)構(gòu)的操作功，使開斷過程更加穩(wěn)定可靠[1-2]精品人妻系列无码专区不卡。對(duì)于滅弧室來說欧美性爱视频免费的，氣吹的壓力是一個(gè)很重要的參數(shù)，直接影響滅弧室的開斷能力看黄片在线天堂在线。

Sobolev equation is widely used in many areas, such as hydromechanics, thermodynamics and so on.

中文摘要： Sobolev方程是在流體力學(xué)色色色色色色色色网，熱力學(xué)等領(lǐng)域應(yīng)用廣泛的一類方程，其有限元數(shù)值方法研究已有很多工作高清激情18性爱啊啊在线欧美日韩不卡，如[5]中提出了位移有限元法看黄片.con，[9]中建立了特征混合元方法，[7]提出了H1-Galerkin混合有限元方法www.99热这里有精品，[10]中提出了最小二乘混合元方法欧美特级黄色。

Based on fluid numerical results, a new parameter and its calculating method which are both strictly derived from basic equations of hydromechanics and thermodynamics are used to evaluate the mixing effect of viscous fluid.

從流體力學(xué)及熱力學(xué)的基本方程出發(fā)，經(jīng)嚴(yán)格推導(dǎo)給出了一種新的基于流場數(shù)值計(jì)算結(jié)果的評(píng)價(jià)粘性流體混合均化效果的參量及其計(jì)算方法无码毛片一区视频免费播放。

A practical dew point hygrometer for teaching use was introduced, which has low price and good teaching effect. Meanwhile, it enormously enrich the content of thermodynamics in the physics experiment.

摘要介紹了一種實(shí)用型教學(xué)用露點(diǎn)儀日本免费一级高清大婬片，其價(jià)格便宜，直觀性強(qiáng)欧美日韩性爱AAA视频，在教學(xué)中取得了良好的效果黄色网站在线看免费。，同時(shí)也極大的豐富了大學(xué)物理實(shí)驗(yàn)中的熱力學(xué)內(nèi)容。

The characteristics of crystallization process of hypereutectic EN coatings were discussed from the viewpoint of thermodynamics and kinetics.

從熱力學(xué)和動(dòng)力學(xué)角度對(duì)過共晶成分的化學(xué)鍍層的晶化轉(zhuǎn)變過程進(jìn)行了分析和討論。