已知双金属和三金属催化剂提供了优于单金属催化剂的性能。
It is known that bimetallic and trimetallic catalysts offer improved properties over single metal catalysts.
创造出单分子宽度无热损的导电金属线意味着一种新型的电子元件可同时解决两个难题。
Width to create a single molecule without thermal damage of the conductive metal lines means that a new electronic components can simultaneously solve two problems.
创造出单分子宽度无热损的导电金属线意味着一种新型的电子元件可同时解决两个难题。
The creation of a one-molecule-wide wire that can conduct electricity without any heat loss suggests a new type of electrical connection could tackle both problems at once.
加工金属的加工中心、单工位组合机床及多工位组合机床。
Machining centres, unit construction machines (single station )and multistation transfer machines, for working metal.
经与实验获得的实际金属结构高度数据对比，得到金属结构高度检测的误差在单道焊缝的自然成形的高度误差范围内的结果。
After comparing the detecting result and the actual height of metal parts it showed that the detecting error was in the nature figuration error range of one welding seam.
在铣刀切削工件金属时，铣刀的每条切削刃都象一单独的单刃刀具一样作用。
Each of the cutting edges of a milling cutter ACTS as an individual single-point cutter when it engages with the workpiece metal.
在米兰和巴黎时装周，几乎所有的单品都带有耀眼的金属片、印有生动的图案或者点缀着闪亮的珠宝和水晶。
In Milan and Paris, hardly a piece of clothing wasn't made of blindingly shiny lame, printed with lively motifs or scattered with winking jewels and crystals.
单根电缆可用焊在结构上的电缆夹头；成组电缆用金属电缆悬挂架。
Single cables may be fixed by clips welded to structures; cables in groups are supported by metal cable hangers.
首先，基于紧束缚模型研究了非磁性点缺陷对金属型单壁碳纳米管态密度和电导的影响。
Firstly, the influence of point defects on the density of states and conductance for metallic carbon nanotubes is studied based on the tight-binding model.
在车削操作中，车床用一个单刃切削刀具在旋转的工件上进行金属切削。
For turning operations, the lathe USES a single-point cutting tool which removes metal as it travels past the revolving workpiece.
也介绍了单涂层、双涂层及复合涂层对金属基复合材料界面及性能的影响。
Effects of single coatings, double coatings and complex coatings on the interface and properties of metal matrix composites are also introduced.
利用有限元方法研究了金属镶嵌对单搭接接头应力分布的影响。
The finite element method (FEM) is applied to investigate the effect of metal inlay in single lap joint on the stress distribution.
通过上述晶体结构中配位键长键角的分析，得到了一个行之有效的标准，判断羧基与中心金属离子是单齿配位还是螯合配位。
A new criterion to decide whether the carboxy group coordinating to the metallic ion in mono or bi dentate-fashion in an ambiguous situation, base on coordination bond distances and angles.
桥架的金属结构由主梁和端梁组成，分为单主梁桥架和双梁桥架两类。
Bridge's metal structure from the main beam and side beams, divided into single-and dual-beam bridge girder bridge types.
COMET的单级金属陶瓷管被设计主要应用于无损检测，食品检测和厚度计的需求工业应用领域。
The COMET Unipolar Metal Ceramic tubes are designed for use in demanding industrial applications like Non-Destructive Testing, Food Inspection and Thickness Gauging.
作者在自行设计并制造的一台单粒子冲击试验机上对部分纯金属和低碳钢在不同的冲击速度下进行冲击试验。
A single particle impact test device was designed and manufactured by the authors. Several pure metals and low carbon steels were impacted at different velocities using this test device.
开发金属合金载体，以及新型单钯催化剂、过渡金属型或稀土钙钛矿型催化剂是今后三效催化剂研究的热点。
Developing alloy supporters, new Pd-only TWC, transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC.
高压单芯电缆的接地系统一旦被破坏，在其电缆金属护层上会产生高值悬浮电压而引发严重后果。
Once the grounding system of HV single-core cable is broken, high floating voltage will appear on its metal sheath, thus causes serious consequence.
总结了该领域最近几年新开发的单金属氧化物、复合金属氧化物以及非金属氧化物载氧体的最新研究进展。
The new research advances in oxygen carriers in several recent years, including single metal oxides, multiplex metal oxides, nonmetal oxides are given.
日光热反射涂料具有隔热降温功能，本文的研制目标是金属用单涂型日光热反射水性涂料，需要将防腐、隔热、环保等多种性能体现在一层涂层中。
This paper aims to prepare a single layer solar heat reflecting coatings for metal, which integrates the functions of anticorrosion, heat insulation, environment protection, etc.
缓蚀剂的作用机理与缓蚀剂分子在金属表面形成的自组装单分子膜及其作用密切相关。
The working mechanism of corrosion inhibitors is in close relationship with the formation of inhibitor self- assembled monolayers (SAMs) on metal surfaces.
在金属材料系统科学框架中，单原子(OA)理论是整个金属材料科学理论系统的基础。
In the framework of the Systematic science of metallic materials, the One Atom (OA) theory is the foundation of the entire theoretic system of the metallic materials science.
研究了在胶瘤中嵌入三角形金属楔块对单搭接接头强度和应力分布的影响，结果表明，金属楔块能显著提高接头的强度。
The influence of embedded trilateral cross-section metal bar in the fillet on the strength and stress distribution of single lap joints was discussed.
在正统理论的基础上，使用主方程法建立了金属结单电子晶体管的器件模型和算法流程。
Based on the orthodox theory, a model of a single electron transistor (SET) of metallic tunneling junctions is built using the master equation method.
应用BP算法程序对双金属材料的剥离强度按单隐蔽层不同结点数进行预报计算。
The captioned strength is forecasted in terms of different bonding points in a single concealed layer by means of BP calculating program.
适合钟表、仪器、玩具、照相机工业及修理车间等部门对钢料、有色金属和非金属零件的成批以及单件生产的钻削加工。
It is suitable for drilling ferrous and non-ferrous metal in industrial department, clocks, watches, toys and camera industry, as well as in repair shop, for single piece or mass production.
应用声发射检测技术研究金属铝单搭接胶接结构的缺陷检测和强度估计问题。
The defect testing and strength estimating of metal to metal single step-lap adhesive bond structures are studied by means of acoustic emission (AE) technique.
采用速率敏感晶体塑性理论，预测了面心立方金属板材单轴拉伸过程中主要理想取向的稳定性。
Orientation stability during uniaxial tension of face-centered cubic (FCC) metal sheets is predicted using a rate-sensitive crystal plasticity model.
应用二维单侧容限系数公式，提出了一种测定金属材料疲劳裂纹扩展速率的小样本方法。
A small sample method for testing fatigue crack growth rate curve of steel was presented in this paper using a formula of two-dimensional one-side tolerance factor.
应用二维单侧容限系数公式，提出了一种测定金属材料疲劳裂纹扩展速率的小样本方法。
A small sample method for testing fatigue crack growth rate curve of steel was presented in this paper using a formula of two-dimensional one-side tolerance factor.
应用推荐