变热

The effect of Al on microstructure evolution of a hypereutectoid steel(0.97%C) during deformation of undercooled austenite was investigated by hot uniaxial compression tests.

利用Gleeble 1500热模拟试验机进行单轴热压缩实验，研究了合金元素Al对过共析钢缓冷相变和过冷奥氏体动态相变组织的影响。

There are three categories of maturity indicators of organic matter in current petroleum industry to evaluate the degree of thermal evolution for source rocks, including: 1 optical indicators, i.e., vitrinite reflectance, bitumen reflectance, sporopollen color and thermal alteration index, conodont color alteration index, and reflectance of fossil fragments; 2 chemical indicators, i.e., the maximum temperature in pyrolysis of organic matter, methyl phenanthrene indicator, the atomic ratio of H/C, carbon isotope indicator, and biomarker indicators; 3 indicators of spectroscopy, i.e., the free radical concentration of kerogen, the average structural scale of aromatic nucleus of kerogen, and the laser-Raman spectrum of organic carbon.

摘 要：当前常用的有机质成熟度指标包括3大类：1 光学指标，包括镜质体反射率、沥青反射率、孢粉颜色、热变指数(thermal alteration index， TAI)、牙形石色变指数(color alteration index， CAI)和生物碎屑反射率；2 化学指标，包括有机质最大热解峰温度、甲基菲指数(methyl phenanthrene indicator， MPI)、H/C原子比值、碳同位素指标和生物标志物指标；3 谱学指标，包括干酪根的自由基浓度、干酪根芳核平均结构尺寸和有机碳激光拉曼光谱。

The results indicate that the main composition of nephrite cat's eye is tremolite.

用差热分析、Fourier变换红外吸收光谱和X射线粉晶衍射测试方法对四川软玉猫眼的热相变产物和相变机制进行了研究。

Main business: Sales Main Products: Temperature instrumentation, pressure instrumentation, flow meters, material / liquid level instruments, metering equipment, control systems thermocouples, thermal resistors, wire compensation, pressure gauge, transmitter, pressure transmitter, Smart Transmitter, Level Transmitter, Flow Meter, Orifice flowmeters, electromagnetic flowmeter, vortex flowmeter, Verabar, metal tube rotameter, gas flowmeter, no NG Paperless Recorder, indicating regulator, regulator, hand fuck, and Flow Totalizer, level transmitter, pressure calibrator, process calibrator, digital pressure gauge, check simulation device, auto-calibration system.

主要业务∶销售主营产品：温度仪表，压力仪表，流量仪表，物/液位仪表，计量仪器，控制系统热电偶，热电阻，补偿导线，压力表，变送器，压力变送器，智能变送器，液位变送器，流量计，孔板流量计，电磁流量计，涡街流量计，威力巴流量计，金属管浮子流量计，气体流量计，无仪纸记录仪，显示调节仪，调节器，手操器，流量积算仪，液位变送器，压力校验仪，过程校验仪，数字压力计，校验仿真仪，自动校验系统。

The relationship of ore-forming fluid salinity-aqueous cation lg demonstrated that water-rock reaction was also one of the potential gold deposition mechanisms besides mixing with meteoric water. All of these were consistent with that sericitization and pyritization hydrothermal alteration were extensively/intensively distributed (as high as 33%), gold grade linearly correlated with degree of alteration,∑REE depletion and δ〓O enrichment

成矿流体盐度-液相主要阳离子组分1g演化规律研究表明，除与大气降水的混合-稀释外，水-岩相互作用也可能是造成金沉淀的重要因素，这与本文所研究金矿床中绢云母化、黄铁矿化等热液蚀变广泛发育(可高达33％)，Au品位与热液蚀变程度、REE亏损量及δ〓O富集规模表现出较为明显的线性关系等一系列地质事实相吻合

The simulative model of temperature field and stress field in concrete , Heat and moisture coupling、Parallel simulative calculation of concrete with water pipe cooling、 Parallel feedback analysis of thermal characteristic parameters, and stress intensity factor of induced joint, which are the sixty-four-dollar questions, are studied in this dissertation. The main contents of this dissertation are as follows:(1)Based on the past and current research work, the calculation theory of the transient temperature field and creep stress field of mass concrete which self temperature influence is considered is deduced. The couple effect between the temperature field and humidity field of concrete, is considered on the basis of conservation law of water and energy, and the coupled formulation which coefficient is not constant of the heat and moisture in concrete is deduced. The calculation theory and model which is theoretically strict for solution to thermal problem in concrete with water-cooling pipes are recommended.

本文主要针对混凝土的温度场应力场仿真计算模型、热湿耦合、水管冷却问题的并行仿真、混凝土温度参数并行反演分析以及诱导缝应力强度因子计算等混凝土大坝温度应力数值仿真的关键技术进行了较为深入的研究，全文主要内容如下：(1)在现有研究基础上，推导了考虑自身温度影响的混凝土非稳定温度场和徐变应力场的计算理论；基于水分质量守恒和能量守恒原理考虑混凝土温度场和湿度场的耦合作用，推导了混凝土的变系数热湿耦合方程，并建立了相应的计算模型；引用严密的水管冷却混凝土温度场的计算理论和计算模型，比较了两种简化计算方法用于水管冷却混凝土仿真计算的不足。

In order to accurately analyze the thermal and mechanical states of subway tunnel constructed by artificial freezing method,the coupled effects of moisture transfer and phase change of ice and water,the generation of cement hydration heat and thermal creep constitutive relationship were taken into account,and a moisture,thermal and mechanical coupled model was established.

为了准确分析地铁隧道人工冻结施工过程中的热力学状况，考虑水分迁移和冰水相变耦合影响以及水泥水化热的生成，采用热蠕变本构建立了地铁隧道人工冻结施工的水热力耦合分析模型。

A continuous cooling transformation diagram of steel 10MnMoNiNb reduced by 50 % at 800 ℃ was constructed using dilatometric method on a Gleeble 1500 thermomechanical testing system, along with optical microscope and TEM.

在Gleeble1500热模拟机上，利用热膨胀法建立了10MnMoNiNb钢在800℃变形50％后的连续冷却相变曲线，并采用光学金相和TEM方法分析了在不同冷速条件下，形变奥氏体的相变产物。

Differential scanning calorimetry and polarizing microscope were used to study their liquid properties. Among them, nine are found to exhibit liquid crystal properties, and most of them displayed as heating monotropic liquid crystals. There are one or two mesophases and certain phase transition temperature,Δ H and temperature range of liquid crystal.

用差示扫描量热仪和偏光显微镜研究了其液晶性，发现其中九个配合物具有液晶性，多为升温单变液晶，有一至两个中介相，有确定的相转变温度、热焓和相变区间。

During the calculation of the early age temperature field, the early age physical and mechanical performance of concrete varies with its age, therefore in the second chapter we discuss the early age physical and mechanical performance of concrete and its development regulation with time, we emphasize elastic module and the development about the early age strength of concrete varying with time, at the same time consider the effect of shrink and creep upon the early age of concrete, in succession discuss how to confirm the physical parameter of thermodynamics of concrete.

之后讨论了混凝土的热物理参数的确定。为了能够正确合理的应用有限元方法求解早期混凝土温度场问题，第三章论述了求解温度场的有限元方法。第三章首先对热传导的微分方程作了阐述。之后确定温度场的边界条件。本章采用变分原理推导有限单元法计算温度场的公式。因此在第二小节叙述了变分原理，然后阐明了不稳定温度场的计算的三种方法，确定第四章分析中将采用向后差分法求解0#箱梁早期的温度场。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。