查询词典 shielding

Because of the high activeness of the titanium alloys, the inert gases or vacuum shielding is needed in fusion welding.

由于钛合金的活性强，熔化焊时需要用惰性气体或真空进行保护。

In the bead-on-plate experiment, the trial pieces were SAE1020 steel, the activating fluxes were oxide, Carbonate, Sulfide and fluoride, and the welding method was argon shielding gas tungsten arc welding without filler metal.

实验材料选用SAE1020，活性助焊剂选用氧化物、碳酸盐基、硫化物及氟化物，焊接方法采用不加填料金属的氩气保护钨极电弧焊来进行Bead-on-plate实验。

Influence of shielding gas flow on welding quality for CO2 laser welding of aluminum alloy .

辅助气体对CO2激光焊接光致等离子体屏蔽的影响。

Influence of shielding gas flow on welding quality for CO2 laser welding of aluminum alloy .

保护气流对CO2激光焊铝合金的影响。

The main products are: maintenance-free battery grid of low-antimony, lead calcium alloy, lead antimony alloy, lead and cadmium alloys, electrolytic lead, refined lead, lead components of nuclear shielding, lead parts.

主要产品有：免维护蓄电池板栅低锑、铅钙系列合金、铅锑系列合金、铅镉合金、电解铅、精铅、核屏蔽铅构件、铅零件等。

The method and results of noise simulation are introduced in detail; the influence grade of noise of the ground and elevated line of Nanjing metro is analyzed and the setting of acoustic shielding are estimated.

详尽介绍噪声模拟方法和结果，简要分析南京地铁地上线噪声的影响程度，对声屏障的设置进行判断。

Furthermore, an integrative anti- interference solutions are provided, which are consisted of both hardware ones and software ones. Solutions in hardware include a multi-layer shielding structure and proper groundings of the whole system. Solutions in software include digital data pretreatment based on wavelet, FIR digital filter and algorithm of improved high order sine fit method. They do resolve the corresponding problems in on-site monitoring caused by strong electromagnetic field, noise in signals and harmonic and the fluctuation of power system frequency.

同时建立了以屏蔽结构和接地措施为主体的硬件抗干扰和以小波变换预处理、FIR数字滤波器、改进的tg δ高阶正弦拟合算法为主体的软件抗干扰相结合的综合抗干扰措施，有效解决了现场强电磁场干扰、信号中噪声干扰、谐波干扰以及系统频率波动等问题。

Furthermore, an integrative anti- interference solutions are provided, which are consisted of both hardware ones and software ones. Solutions in hardware include a multi-layer shielding structure and proper groundings o f the whole system. Solutions in software include digital data pretreatment based on wavelet, FIR digital filter and algorithm of improved high order sine fit method. They do resolve the corresponding problems in on-site monitoring caused by strong electromagnetic field, noise in signals and harmonic and the fluctuation of power system frequency.

同时建立了以屏蔽结构和接地措施为主体的硬件抗干扰和以小波变换预处理、FIR数字滤波器、改进的tg δ高阶正弦拟合算法为主体的软件抗干扰相结合的综合抗干扰措施，有效解决了现场强电磁场干扰、信号中噪声干扰、谐波干扰以及系统频率波动等问题。

Third, non-woven products: Company engaged in non-woven products have 5 years experience, 1,000 employees, isolation shielding a workshop, non-woven products workshop 3, the production of various types of medical supplies, hand-carry shopping bags, car hood , overalls, aviation towel used to cover pillow, pillow case ......

三、无纺布制品：公司从事无纺布制品已有5年经验，有员工1000人，隔离屏蔽车间一个，无纺布制品车间3个，生产各式医疗用品，手挽购物袋，汽车罩，工作服，航空枕巾、枕套……，每月产量40尺货柜36个以上的。

The products are widely used in coaxial cables, RF cable, high-frequency signal transmission cable, power cable grounding line, shielding lines and telephone lines, control cables, and other fields in the communications, military, aerospace, computers, electronic components such as There is also broad field of science and technology.

本产品广泛应用于同轴电缆、射频电缆、高频信号传输电缆、电力电缆的接地线、屏蔽线及电话线、控制电缆等领域，在通信、军工、航空航天、电子计算机、电子元件等高科技领域也广泛存在。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。