查询词典 gas-forming

In order to accurately determine the forming temperature and time of the sintered wick and to offer methods for the fixation and extraction of the mandrel as well as the infilling of copper powders, this paper analyzes the forming mechanism of copper powders in the wick and investigates the manufactu-ring process of the capillary structure of the sintered wick in the micro heat pipe.

文中分析了铜粉颗粒在吸液芯中的成型机理，探讨了烧结式微热管吸液芯毛细结构的制造工艺，解决了吸液芯成型温度与成型时间的确定，以及烧结时芯棒的固定、抽出与铜粉颗粒的填充等相关问题。

Numerical simulation is carried out by finite element inverse approach. The initial blank shape and stress, strain states have been obtained. At the same time, the formability of the fender has been analyzed. The possible defects in the sheet metal forming process are estimated, and several ways are provided to prevent and control these forming defects.

本文还以汽车后翼子板为例，使用有限元逆算法模拟计算得到了其初始毛坯形状、最终构形的应力应变状态及厚度分布，并进行了板料成形性分析，预测了冲压过程中可能产生的成形缺陷，探讨了预防和控制缺陷产生的措施。

Flowers epigynous, small, bisexual or staminate, regular, in simple or compound umbels; umbellules few to many-flowered; rays often subtended by bracts forming a involucre; umbellules usually subtended by bracteoles forming an involucel.

花上位，小，两性或者雄性，整齐，组成单一或者复合的伞形花序；小伞形花序有花少数至多花；舌状花通常被苞片（形成一个总苞包着；小伞形花序通常被小苞片包着。

Ore forming hydrothermal solution constituent,ore forming temperature,hydrogen and oxygen isotope,Rb Sr isopleth,etc,it is proved to be an altered wallrock type of gold deposit appearing in beresitization vein,thus opening favorable prospects of finding gold in this area.

研究了胶东地区新发现的辉寨金矿床，依据围岩蚀变分带特征，成矿热液组分、成矿温度、氢氧同位素、Rb—Sr等时线数据等，该矿床为产于黄铁绢英岩中的蚀变岩型金矿床，由此扩大了该区找金前

The character and development of isothermal forging process, its forming temperature and forming rate for titanium alloy is introduced in this paper.

本文介绍了钛合金等温锻造技术的特点，国内外钛合金等温锻造的发展及其成形温度和变形程度等工艺。

Four-node degenerated shell element and rigid shell element are used in our FEM model.Updated Lagrange formulation and rate form constitutive equation are adopted to solve the problem of large strain and large rotation in sheet forming process.Sheet metal material property is described by plastic anisotropy yielding model and isotropic hardening model.Master surface-slave surface contact model is used to define the contact between tools and blank.Contact constraints are enforced with a kinematic algorithm and friction stress is computed by Coulomb friction law.Dynamic relaxation method is used to treat springback after forming stroke.

四结点蜕化壳单元和刚体壳单元分别用来建立板和模具的有限元模型；更新Lagrange法和速率型本构关系被用来处理板料变形中的大应变和大转动；材料模型采用塑性各向异性屈服与等向强化模型；通过主从面模型定义板料和模具的接触，接触算法采用运动约束法，摩擦力用库仓定律计算；并利用动力松弛法对回弹过程进行了计算。

The forming mechanism and influence factors of elephant skin were discussed based on journal box body, and some critical influence factors such as the preheating temperature of mold, forming pressure etc.

以轴箱体零件为例，探讨了皱纹缺陷的形成机理，分析了其影响因素。理论分析表明：模具预热温度、成形比压是影响铸件质量的关键因素。

The study of ore-forming rules indicates that the shearing force came from interaction of plate-plate is the initial force, which result in remelting of deep rock. Early formed faults and later dome structures provide favourable passage-way for ore-material migrating. Finally due to complete circulate convection, ore-material experience a process of complete differentation and begin to crystal and settle in certain circumstance. In some favourable tectonic zone ore-forming material enriched to deposit.

对成矿机制的研究显示板块作用产生的剪切力是造成区内深部岩石重熔的源动力，而早期形成的断裂体系及后期形成穹窿构造为矿物质的运移提供了有利的通道，在完善的循环对流机制配合下，成矿物质在迁移过程中发生较为充分的分异作用，各类矿物质在相应的物化环境中结晶沉淀，并在有利的构造部位富集成矿。

The process parameters in laser peen forming have great impact on the forming shape of the processed metal sheet.

影响激光喷丸成形中板料最终成形形状的工艺参数众多，为了达到需要的板料变形量及残余压应力层深度，必须对各工艺参数进行优化控制。

Starting from the structure characteristics of the large integral panels,the structure forms and classification of the integral panels are introduced,and the oversea research situation and the developing tendency of the shot peen forming and the creep age forming technolog.

从大型整体壁板的结构特点出发，介绍了整体壁板的结构形式和分类，重点阐述了整体带筋壁板喷丸成形技术和时效成形技术的国外研究应用进展及发展趋势，分析了国内现有整体壁板成形技术的基础和存在问题，特别介绍了国内在ARJ21新支线飞机研制中所取得的最新进展。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。