时间温度曲线

The results show that intercrystalline corrosion and exfoliation corrosion sensibility of 7A52 aluminum alloy decrease gradually with the increase of aging temperature and time.

摘 要：采用恒温浸泡方法、极化曲线测量、金相和透射电镜技术研究不同时效温度和不同时效时间处理7A52铝合金的晶间腐蚀和剥落腐蚀行为。

The results show that intercrystalline corrosion and exfoliation corrosion sensibility of 7A52 aluminum alloy decrease gradually with the increase of aging temperature and time.

采用恒温浸泡方法、极化曲线测量、金相和透射电镜技术研究不同时效温度和不同时效时间处理7A52铝合金的晶间腐蚀和剥落腐蚀行为。

Based on the functions from closed vessel experiments, the ballistic simulation results of maximum chamber pressure, muzzle velocity and p-t curves of a 105mm gun charged with LTSC nitroamine propellant at +50℃,+15℃ and -40℃ environmental temperature were in good agreement with experimental data.

在密闭爆发器实验的基础上，应用可视化程序对某105mm火炮采用低温感硝胺火药在+50℃、+15℃和-40℃环境温度下的最大膛压、初速以及膛压—时间曲线进行了弹道模拟，模拟与实验结果具有较好的一致性。

Based on the functions from closed vessel experiments, the ballistic simulation results of maximum chamber pressure, muzzle velocity and p-t curves of a 105mm gun charged with LTSC nitroamine propellant at +50C,+15C and -40℃ environmental temperature were in good agreement with experimental data.

在密闭爆发器实验的基础上，应用可视化程序对某105mm火炮采用低温感硝胺火药在+50℃、+15℃和-40℃环境温度下的最大膛压、初速以及膛压—时间曲线进行了弹道模拟，模拟与实验结果具有较好的一致性。

The results showed that, the diurnal changes of Pn of leaves in eggplant showed a double peak curve (there was a significant "midday depression" at noon), whether of Erming or Kuaiyuan; seedling stage, flowering stage, or fruits growing stage; top leaves, middle part leaves or bottom leaves. But the extent and the time of midday depression were different. The stomatal conductance, transpiratory rate, intercellular CO2 concentration, and air CO2 concentration of eggplant leave were decreased when midday depression was happened, but photosynthetic active radiation and leaf temperature were maximum. The reasons of midday depression of eggplant leaves were stomatal factors.

结果表明，茄子晴天Pn日变化无论品种是否相同、生育期是否相同、叶位是否相同（上部叶片、中部叶片和底部叶片），无一例外地表现为&双峰&曲线，即有光合&午休&现象存在，只是&午休&的时间和程度上有差异；光合&午休&时气孔导度、蒸腾速率、细胞间隙CO2浓度、大气CO2浓度均下降，而光合有效辐射和叶片温度此时几乎处于最大值，茄子光合&午休&是由气孔因素引起的。

Curing: The irreversible process of polymerizing a thermosetting epoxy in a temperature-time profile.

固化：热固性环氧树脂在温度-时间曲线下的不可逆聚合过程。

S waveform non-repetitive current pulse, per Fig.1 and derated above Ta=25℃ pe r Fig.

注释 ： NOTES：1。脉冲电流时间10 / 1000μs 如图1 所示，温度25℃以上降额曲线见图2。

The paper discusses the design of the experiment of low press radio-frequency plasma, using TFS and Langmuir to get V-Icurve including temperature of plasma body .

文章提出了低压射频等离子体实验设计体系，应用飞行时间谱仪和Langmuir单探针，测得Langmuir型V-I曲线，其中包括等离子体温度信息。

At certain temperature and hydrogen flow rate, the weight changing of tungsten trioxide during the reduction was investigated by thermo balance, and the phase transformation analyzed by means of XRD.

在一定的温度和氢气流量条件下，用热分析天平精确测量WO3 还原反应过程中，不同时间的质量变化，并用X射线衍射分析进行物相鉴定，绘制纳米级WO3 (粒径≤ 5 0nm)的还原动力学曲线。

The main research work of this dissertation is as follows: Based on the chemical reaction engineering theory and the nitrobenzene electroreduction mechanism, the plate and frame electrolyzer was designed and applied to the process of electroreduction nitrobenzene to p-aminophenol. This dissertation measured the residence time distribution data of the electrolyzer by means of the pulse response method and studied the rule of flow pattern along with the current capacity change. Under different conditions ,this dissertation studied the cyclic voltammetry properties of nitrobenzene on different electrodes by means of the dynamic cyclic voltammetry method and the electrode materials applied to the NB electroreduction have been selected primarily.Baseed on the results of cyclic voltammetry tests, this dissertation used p-electrode systems to measure the steady-state- polarization curves of nitrobenzene on different electrodes in H-type diaphragm cell, and obtained each primary factor s influence rule and the exchange current density value of each electrode.And then on the basis of the conclusions of fundamental researchs upword, the effects of influence factors on the the yield of p-aminophenol and the current efficiency,such as electrode material, current density, quantity of electricity circulated, nitrobenzene concentration . sulpuric acid concentration and so on, have been studied in detail in the systems of hign temperature , strong acidity and oxygen-poorthrough a series of electrolysis experiments in this paper.After all using Pb as anode Monel metal as cathode Dupont Nafion 417 cation-exchange membrane as membrane, this dissertation obtained the optimum technological condition: reaction temperature about 85C, current density 500A m-2, sulphuric acid concentration 20%wt.

论文的主要研究工作为：运用化学反应工程理论，结合硝基苯的电还原机理，设计出用于硝基苯直接电还原合成对氨基苯酚实验的板框式电解槽，并利用脉冲响应法测定了该板框式电解槽的停留时间分布数据，研究了流型随流量变化的规律；通过动态循环伏安法研究了硝基苯在不同电极上、不同条件下的循环伏安特性，初步评选出了用于硝基苯电还原的电极材料；结合循环伏安的测定结果，在H型隔膜电解槽中采用三电极体系测定了硝基苯在不同电极上、不同条件下的稳态极化曲线，得到了各主要因素的影响规律及硝基苯在各个电极上电还原的交换电流密度数值；在基础研究结论指导下，采用板框式电解槽，在高温、强酸、贫氧系统中，进行了一系列的电解实验，分别考察了电极材料、电流密度、通电量、硝基苯浓度、硫酸浓度等因素对收率及电流效率的影响，最终选择以蒙乃尔合金电极作为阴极、铅合金为阳极、Dupont Nofion 417阳离子交换膜为隔膜，得到由硝基苯直接电还原制对氨基苯酚的最佳电解工艺条件：反应温度85℃，电流密度500A·m~(-2)，硫酸浓度20％wt。

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。