查询词典 vacuum

Using carbon, iron, silicon, ferrochromium, ferrotitanium and nickel powder as the raw materials, chromium carbide/Fe-based composite coatings with an even and smooth surface were prepared by vacuum reactive braze coating, which combined with a mild steel substrate by a metallurgical bonding.

以纯铁粉、硅粉、硼铁粉、铬铁粉、胶体石墨及镍粉为原料，通过真空反应钎涂在低碳钢基体上制备了碳化铬／铁基自熔合金复合涂层，涂层表面光滑、平整且与基体为冶金结合。

Using carbon, iron, silicon, ferrochromium, ferrotitanium and nickel powder as the raw ma terials, chromium carbide/Fe-based composite coatings with an even and smooth surface were prepared by vacuum reactive braze coating, which combined with a mild steel substrate by a metallurgical bonding.

以纯铁粉、硅粉、硼铁粉、铬铁粉、胶体石墨及镍粉为原料，通过真空反应钎涂在低碳钢基体上制备了碳化铬／铁基自熔合金复合涂层，涂层表面光滑、平整且与基体为冶金结合。应用扫描电子显微镜、能谱仪、X射线衍射仪及显微硬度计，研究了涂层的组织结构、成分分布和硬度分布。

Figure 1 water tank, Figure 2 cabinets, Figure 3 connector Figure 4 vacuum tube, Figure5 health-care formulations stone, Figure 6 protective plate Figure 7 fastened rooting angle iron, Figure 8 booster pump, Figure9 filter.

附图1是水箱，2是橱柜，3是连接器，4是真空管，5保健配方石，6是防护板，7是紧固生根角铁，8是增压泵，9是过滤器。

The problem of filter fabric cleaning existed in vacuum drum filter is discussed in this paper.

剖析了100m~2真空转鼓过滤机跑碱事故产生的原因，并在原设计的基础上，提出了相应的改进措施。

The results indicated that the more vacuum is, the more degrees dropped of the filtrate temperature.

结果表明：真空过滤时真空度越高，磷酸料浆的温度下降越大，结垢越多。

To avoid these complications, it is probably better to use a pressure rather than a vacuum filtration system.

为了避免这些并发症，它可能是更好的使用压力，而不是一个真空过滤系统。

In addition, indoor air system, heat recovery systems, central vacuum system, fire doors Solenoid Valve Control System and indoor fire hose system configurations are rare in China.

此外，室内空气系统，热回收系统，中央真空系统，防火门电磁阀控制系统和室内消防水带的系统配置在中国是罕见的。

This paper introduces a new type vacuum circuit-breaker by analyzing the current mine flameproof feed switches.

本文在分析国内矿用隔爆馈电开关现状的基础上介绍了一种新型真空断路器，并阐述其作为隔爆馈电开关内装元件的优越性。

This paper introduces a new type vacuum circuit-breaker by analyzing the current mine flameproof feed switch es.

本文在分析国内矿用隔爆馈电开关现状的基础上介绍了一种新型真空断路器，并阐述其作为隔爆馈电开关内装元件的优越性。

In order to realize intelligent control for flameproof and intrinsic safe combined vacuum switchgear,A system is developed based on programmable logic controller.

根据矿用隔爆兼本质安全型组合磁力控制站的工作原理，以 PLC为中央控制单元，研制了组合开关的测控系统。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。