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热力学温度

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Based on the frequencies scaled by 0.96 and the principle of statistic thermodynamics, the thermodynamic properties were evaluated, which were linearly related with the number of nitro and amino groups as well as the temperature, obviously showing good group additivity.

对谐振频率以0.96进行标度后基于统计热力学原理求得它们的热力学性质,探讨了热力学性质随硝基数、氨基数和温度变化的规律,发现有很好的线性关系,体现了很好的基团加和性。

The influences of heat exchanger and engine on system efficiency are distinguished. The thesis also analysis the efficiency of the compound cycle of liquid nitrogen engine operating on open Rankin cycle together with the liquid nitrogen refrigeration cycle and economy in detail.

首次采用变质量系统热力学原理探讨了通过对进气温度与缸内残余质量温度的控制有助于实现准等温膨胀的可行性;首次采用有限时间热力学对具有压降不可逆液氮发动机开式朗肯循环进行了工作过程分析,研究了漏气和压降对液氮发动机效率和功率的影响关系。

The model is run under the idealized conditions resresenting for the sea-ice diploe in the Okhotsk Sea and the Bering Sea, and the atmospheric forcing is from the data of the winter months i.

参考已有的理论和模拟研究结果,指出高纬地区低空大气的温度变化受直接热力学调整过程的影响明显,对称性响应分量明显,而高层大气温度和各层的大气位势高度变化是由直接热力学调整和间接动力过程响应所共同控制,非对称分量占主导。

Based on literature survey the writer takes as basis the thermodynamic data determined experimentally and published in the literature and, in the light of the theory related to heterogeneous reaction system in thermodynamics, gives a detailed analysis of thermodynamic stability under temperature and atmospheric conditions in the shift reactor with the iron-based high-temperature shift catalyst, obtaining relevant equilibrium phase diagram of the heterogeneous reaction system and corresponding calculation formulas.

笔者在文献调研的基础上,以文献发表的、经由试验测定的热力学数据-标准生成自由能为依据,根据热力学中非均相反应体系的有关理论,对铁基高温变换催化剂在变换反应的气氛与温度条件下的热力学稳定性进行了较详细的分析,建立了相关的非均相反应体系的平衡相图和相应的数学表达式。

The equilibrium phase diagram of Ti-Si-C ternary system and the estimates of the unknown thermodynamic data of carbides and silicates were used to calculate stabilized chemical potential and to draw the stabilized chemical potential diagram s of Ti-Si-C ternary system.

收集并计算了 Ti-Si-C三元系在 1200℃温度下各组元化合物的热力学数据,利用Ti-Si-C三元系在该温度下的平衡相图以及对碳化物未知热力学数据所做的估算,计算该三元系中各组元化学位并作出的相应的化学位稳定性相图。

Temperature, Simple Thermodynamic System, Work, heat and First Law of Thermodynamics, Ideal Gases, Engines, Refrigerators, and The Second Law of Thermodynamics, Reversibility and the Kelvin Temperature Scale, Entropy, Pure Substances, Phase Transitions, Statistical Mechanics, thermal Properties of Solids, Higher-Order Phase Transitions: Critical Phenomena.

温度、简单热力学系、功、热及热力学第一定律、理想气体、热机、致冷机及热力学第二定律、可逆性与Kelvin 温标、Entropy、纯物质、相转变、统计力学、固体的热性质、高阶相转变:临界现象。

Take DMSO swollen treatment and DEA-SO2-DMSO decrystallization treatment for example, the X-ray diffraction and the Tobolsky's intermittent stress relaxation of treated woods were determined during soaking in water, analyzed the effects of water on crystal degree and inter-cohesion of treated woods. According to these continuous relaxation curves measured in water with different temperatures, various thermodynamic quantities were obtained by using Eyring absolute rate theory, and reviewed the chemical reactions in wood which occur in different relaxation process. For the first time quantify these crosslinkings formed in the process of tensional relaxation by using the SMCIR intermittent stress relaxation way, and defined the cross-linking reaction types. In order to find out the contribute of drying to the fixation of deformation of chemically treated wood, stress relaxation of oven-dry untreated and treated wood was measured during the process of temperature elevation and descend, then analyzed the effect of temperature change on relaxation mechanism of treated oven-dry wood. According to continuous relaxation curves of oven-dry treated wood under various constant temperature, calculated the thermodynamics of relaxation process and discussed the mechanism of molecule change in wood, at the same time, also quantified these cross-linkings produced in wood by intermittent method and on the basis of which the model of molecular change during relaxation process of chemically treated was constructed.

以DMSO膨胀处理及DEA- SO2-DMSO非晶化塑化处理为例,测定了两种处理木材在水浸渍过程中的X射线衍射及Tobolsky间歇应力松弛,分析了水对处理木材结晶度及内部凝聚力的影响;通过未处理和两种处理木材在不同温度水中的连续应力松弛测定,应用Eyring的绝对速度反应理论计算并获得了松弛过程中的各热力学量,分析了在水中松弛过程中不同阶段木材内部发生的化学反应;并首次采用SMCIR连续·不连续双曲线应力松弛法定量了轴向拉伸应力松弛过程中木材内部产生的架桥量,明确了交联反应的类型;为了了解干燥对处理木材塑性变形固定的影响,测定了未处理和两种处理绝干木材在温度下降过程和上升过程中的应力松弛,分析了温度变化对处理绝干木材应力松弛的影响;根据多个温度水平下的连续应力松弛测定曲线,计算松弛过程的热力学量,考察了绝干木材在松弛过程中内部发生的分子变化机理,同时也用间歇法定量了木材内部新形成的架桥量,并在此基础上构筑处理木材在松弛过程中内部分子构造的变化模型。

The theoretical properties of BTATz were estimated by a B3LYP method based on 6-31G basis set. The stable geometric configuration and bond order were obtained. The vibrational frequencies, IR spectrum and thermodynamics properties under different temperatures were obtained from vibrational analysis, and the relationship between temperature and thermodynamics properties was deducted. Pyrolysis mechanism of BTATz was discussed, and the transition state and activation energy of ring opening reaction of the tetrazole were deducted.

用B3LYP方法,在6-31G基组水平上对其性能进行了计算,得到了其稳定的几何构型和键级;在振动分析的基础上求得体系的振动频率、IR谱及不同温度下的热力学性质,并得到了温度对热力学性能影响的关系式;探讨了其热解机理,推断出四唑环开环时的过渡态和活化能。

These specific absorption bands are in relation to the special energy levels.

人们经过十多年的时间,对钛酸盐纳米管的组成、形成机理和物理化学性能进行了大量的研究,但是到目前为止,研究者对其形成机理、可见光吸收等特殊光电性质的来源、结构稳定性等方面的认识尚不清楚,因此本论文对这些方面开展了如下研究:在第二章中我们从热力学的角度系统地研究了煅烧温度对钛酸盐纳米管形貌、结构稳定性和光学性能的影响,发现钛酸钠纳米管是热力学稳定的,而钛酸纳米管是热力学不稳定的。

The effect and its mechanism of temperature during grain filling on rice quality were investigated by using 4 eary-indica rice cultivars with different quality and amylose content. The plants at filling stage were transferred into two phytotrons (Model PGV-36, CONVIRON, Canada), which were set two mean daily air temperatures, i.e. 22℃, optimum temperature regime and 32℃, designed as high temperature regime. The differences in quality properties and starch characteristics of rice between two temperature regimes were determined, and effects of temperature at grain-filling stage on starch biosynthesis in developing rice grains were also analyzed.

本研究以田间异季栽培试验为基础,利用人工气候箱(PGV-36型,CONVIRON)设高温(日均温度32℃)和适温(日均温度22℃)两个典型温度处理,在日温差、光照、相对湿度等因素完全一致的条件下,系统地研究了水稻灌浆结实期不同温度对早籼稻米淀粉的DSC热力学特性、RVA粘滞性、晶体结构、淀粉链长分布等理化指标的影响及其品种类型间的差异,并分析了水稻籽粒淀粉合成代谢过程中几个关键酶的温度效应特征及其与稻米淀粉合成和积累的关系。

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推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?