金属

Obtained material temperature field and thermal coupling coefficient and so on.

本文利用有限元的理论，对连续激光对金属材料的热传导过程进行了数值模拟，得到了金属材料的温度场分布和热耦合系数等结果。

In this article, we overviewed the one-dimensional heat conduction model at ideal interface and model at non-ideal interface in Hugoniot temperature measurements of metals, focusing on the reasonability or tenability of the inclusive and implicative assumptions in models, and the principal factors influencing the resultant temperature.

简要综述了用于金属冲击温度及熔化温度辐射法测量的一维热传导理想界面模型和非理想界面模型，并着重对模型中明示或隐含的关键假定的合理性、影响金属冲击温度与熔化温度结果的主要因素进行了分析、讨论，以期对实验数据有一个合理的评估。

This paper is a generalization and summation of some new progress in marine chemistry in the recent decade. The principal contents consist of seven parts:1. Oceanological survey. The oceanological survey covered the China Seas, the Pacific Ocean and the Antarctic Ocean.2. Interaction of minor elements and suspended matter in seawater and the theory of in-terfacial stepwise ion/coordination partical exchange.3. Effect of organic matters on the liquid-solid interfacial exchange and the rule of left-righ...

本文对近十年来海洋化学的若干新进展作了总结，主要包括下述7方面：(1)海洋调查，包括中国近海、太平洋和南极等；(2)海水中微量元素-固体粒子的相互作用和界面分级离子/配位子交换理论；(3)有机物对液-固界面交换的影响和S-型曲线左右移动规律；(4)海水化学模型发展的三个新趋势；(5)海水中金属的络合容量和金属-天然有机配位体络合物的条件稳定常数；(6)海洋有机化学和海洋生物化学；(7)结论，对海洋化学发展的四个特点作了分析和讨论。

Then, the first portion (11) of the first metallic component (10) is disposed in an axially overlapping manner relative to a portion of the second metallic component (20) with a space therebetween.

然后，将所述第一金属部件的第一部分(11)以轴向重叠的方式相对于所述第二金属部件(20)的一部分设置，并在其间留有间隙。

A method of measuring the linear expansion coefficient of metal is introduced, in which the temperature is recorded in real time with copper-constantan thermocouple instead of thermometer and the length of the metal bar is measured using reading telescope.

用铜－康铜温差电偶代替水银温度计对金属棒进行动态实时温度测量，用尺度望远镜同步读取棒长度示数，用最小二乘法进行线性拟合，从而得到金属线胀系数。

The shops sell professional-series of temperature control, high-temperature-series, electric products, the company is involved in: TDA series of temperature control instrumentation, TDW series of temperature control instrumentation, TEA series of temperature control instrumentation, XMT series of temperature control instrumentation, XMTA series of temperature control instrumentation , XMTD series of temperature control instruments, temperature control switches, temperature table, pressure gauge, double-metal thermometer, WRN thermocouple, WRE thermocouple, WRP thermocouple, WZP thermocouple, WRNK thermocouple, WREK thermocouple , WRCK thermocouple, WZPK thermocouple, sensors, Yahuang dual, dual screw, handheld digital thermometer, CU50 copper resistance, Pt100 ceramic platinum resistance, Pt100 stainless steel platinum resistance, Mica platinum resistance, high temperature wire, wire compensation , High temperature resistant fabrics, high temperature tape, yellow wax tube, since the income of resin, stainless steel tube of electric, electric carbon steel pipe tubes, electric heating of the brass, titanium tube electric tube, the single electric, electric water heaters use of, water, Pot use of electric heating, the sauna, explosion-proof electric heating pipe, iron core, Dianre Dai, box-type electric furnace, an electric stove, oven, the oven, melting furnace tin, nickel chromium resistance wire, iron wire chromium resistance, resistance zone, civilian Furnace wire, high-power industrial furnace silk, mica films, a variety of high temperature ceramic beads, ceramic pads, hairdryer batteries, electric furnace set, the furnace Church, outside the wire, stainless steel bolts, 2.60, 2.60, stainless steel bolts, stainless steel - Head bolt, the first half of stainless steel bolts, stainless steel pan head bolts, stainless steel expansion bolts, self-tapping stainless steel, stainless steel core pulling rivets, stainless steel jets hoop, stainless steel wire hoop, stainless steel plates, stainless steel bar, stainless steel flanges, stainless steel pipe, Stainless steel wire, a variety of metal hose bridge.

本门市部专业销售温控仪系列、高温线系列、电热系列产品，产品涉及：TDA系列温控仪表、TDW系列温控仪表、TEA系列温控仪表、XMT系列温控仪表、XMTA系列温控仪表、XMTD系列温控仪表、温控开关、水温表、压力表、双金属温度计、WRN热电偶、WRE热电偶、WRP热电偶、WZP热电偶、WRNK热电偶、WREK热电偶、WRCK热电偶、WZPK热电偶、传感器、压簧偶、螺钉偶、数显手持式温度计、CU50铜电阻、Pt100陶瓷铂电阻、Pt100不锈钢铂电阻、云母铂电阻，耐高温导线、补偿导线、耐高温布、耐高温胶带，黄腊管、树脂自息管、不锈钢管电热管、碳钢管电热管、铜管电热管、钛管电热管、单头电热管、热水器用电热管、电水壶用电热管、桑拿管、防爆电热管、电熨斗芯、电热带、箱式电炉、民用电炉、烘箱、烤箱、熔锡炉、镍铬电阻丝、铁铬电阻丝、电阻带、民用电炉丝、大功率工业电炉丝、云母片、各种规格的耐高温瓷珠、瓷垫片、吹风芯、电炉盘、炉堂、外丝管、不锈钢外六角螺栓、不锈钢内六角螺栓，不锈钢沉头螺栓、不锈钢半圆头螺栓、不锈钢盘头螺栓、不锈钢膨胀螺栓、不锈钢自攻丝、不锈钢抽芯铆钉、不锈钢喉箍、不锈钢钢丝箍、不锈钢板材、不锈钢棒材、不锈钢法兰、不锈钢管件、不锈钢丝、各种规格的金属软管、桥架。

In order to improve the yield and the stablity of the carbyne complexes,thiophenol group was introduced to connect to the tantalum center of compound 1.And "one pot" ylide transylidation reactions were carried out and the carbyne complexes(12-19) were also obtained.

为了提高卡拜化合物的产率和稳定性，我们在金属钽配合物(1)上引入供电子基团，采用"一锅煮"法与叶立德发生转化反应，同样也可以得到金属钽的膦基卡拜化合物(12-19)。

Extensive experimentation revealed several issues, along with several corresponding solutions:(1) given that lithium metal dissolves slowly in liquid ammonia, considerable time was required to generate the dissolved metal solution (ca. 1 h);(2) the t -BuOH must be freshly distilled prior to use 21 to diminish the formation of ketone 19 (Figure 2);(3) efficient capture of the lithium enolate ( 11 ) required the use of freshly distilled TMSCl and Et 3 N; and (4) the presence of residual thiophenol upon workup was found to inhibit the subsequent Sc 3 -promoted hydroxymethylation.

大量实验揭示若干问题，随着几个对策 1鉴于锂金属溶化慢慢液氨、需要相当多的时间创造了金属溶液溶解(约占1小时)；(2) T恤使操作必须事先用新鲜蒸馏水形成酮减少2119(图2)；有效捕获的锂烯醇(11)使用新鲜蒸馏水需氯和ET三氮；含有残余硫workup经发现抑制随后推选3-羟甲晋升。

Effective heat capacity method was used to simulate heat transfer of freezing phase change growth in the metallic foams at the third boundary condition. The average temperature distributions vs. time in the metallic foams were obtained. The results showed effects of different porosity and thermal conductivity on the temperature distributions.

采用显热容法模拟了第三类边界条件下泡沫金属中水的冻结相变传热过程，得到了泡沫金属中骨架和流体的温度分布及其平均温度的变化，分析了不同骨架导热系数及不同孔隙率对介质温度分布的影响。

A theoretical model was set up through introduction of moving heat source principle and a closed form analytical solution was obtained using Green's function under the third boundary condition.

在极端环境条件下，当温度低于低熔点金属的熔点时，低熔点金属或者合金可能发生凝固，这种情况不但使强化换热效果减弱，甚至可能恶化整个散热系统。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。