查询词典 vacuum bulb

Pneumatic Vacuum Cleaner vacuum equipment, industrial sand suction machine, and NEDERMAN NORCLEAN vacuum equipment.

二。 真空设备气动吸尘机，工业吸砂机，及NEDERMAN NORCLEAN真空设备等。

First the concept and classification of Roots vacuum pumps: 1 concepts: Roots vacuum pump is a rotary vacuum pumps.

一、罗茨真空泵的概念和分类： 1、概念：罗茨真空泵是一种旋转式容积真空泵。

Presently there exists no convenient method to determine the baking temperaiure for glass vacuum chamber which uciuall plays an important role in the acement of required vacuum circumstance in high-vacuum system made of glass,In this paper approximate method was represented to calculate the baking temperature of glass surface by the emissivities of appropiate materinl surface,determining the baking temperature difficult to be tested by the relation ship recommanded by the paper and the indication of an ausa...

在高真空系统中，真空室的烘烤温度对获得要求的真空氛围有着重要的影响，对于玻璃制作的真空系统，目前对于该温度的确定缺少一种较为简单易行的方法，本文基于辐射换热分析提出了具有通用性的利用材料表面辐射率来计算玻璃表面烘烤温度的近似方法，将这难以直接测量的温度通过附设热电偶的示值和本文推荐的关系式来确定，于实际情况相比较为吻合。

First, we deduce a formula for vacuum polarization pressure as f ＝ G m M （ r ∕ r ＋ v ∕ c ）∕ r 2 , based on the isotropy of distribution of neutrinos ν0 in the lowest energy state in the physical vacuum, requested by the Pauli exclusion principle. Then, we deduced the metric equation of the general relativity and the equivalence principle according to this formula. Further, we demonstrate that this vacuum polarization pressure is the gravitation in general meaning.

首先从泡利不相容原理要求的在物理真空中最低能态中微子ν0分布的均匀各向同性出发，推导出真空极化压力公式 f ＝ G m M （ r ∕ r ＋ v ∕ c ）∕ r 2 ，然后由此公式推导出广义相对论的度规方程和等效原理，并论证此弱作用力的真空极化压力就是通常意义下的引力。

Marine steel include bulb steel, angle bar, H shape steel, channel steel, flat-bulb steel, round steel, half-round bar steel, square steel and steel pipe and so on should be in accordance with relative regulation, and the negative size and thickness should be in accordance with national ship regulation, national relative standard and the standard of metallurgy field.

1.2 。1 。4 船用型钢 1.2 。1 。4 Marine steel 船用型钢包括球扁钢，角钢，工字钢，槽钢，扁钢，圆钢，半圆钢，方钢和钢管等，除应符合相应的规定外，其尺度及厚度负偏差均应分别按我国船舶规范和有关的国家标准及冶金专业标准检验。

Scale cutting method combined with different growth medias was used to evaluate the effect of slice number per bulb, bulb scale development stage, water content and cutting time on the proliferation ability of the bulblet formation with 10 cultivars from domestic and abroad.

以国内外10个朱顶红品种为材料，研究了不同品种、鳞茎切块数量、鳞茎年龄、基质种类、基质含水量、切块时间等因素对朱顶红繁殖能力的影响。

Contractile root A specialized root developed by certain bulb-and corm-forming plants that serve to pull the bulb or corm down to the appropriate depth in the soil, e.g.

收缩根：在某些具有形成鳞茎或球茎的植物中特化的根结构。

The company's main products are: high-power LED light series, LED Outdoor Landscape Lighting, LED guardrail lamps, LED buried lights, LED underwater lamp, LED contour light, LED brick lights, LED curtain lights, LED lights line, LED lawn lamp, LED colorful change light, LED digital light, LED LED module, LED lamp cup, LED bulb, Garden lights, stainless steel lamp, fiber optic lights, LED decorative lamps, LED lamp dot matrix, LED LED advertising word LED dedicated module, LED advertising lamp, LED tube lights, LED backlight source, Super bright LED, LED bulb, LED string lights, LED lanterns, LED flashing lights, LED luminous characters such as LED lamps and lighting products and a variety of custom shaped LED lamps, Lighting Products.

本公司的主要产品有：大功率LED光源系列、LED户外景观灯照明、LED护栏灯、LED地埋灯、LED水底灯、LED轮廓灯、LED地砖灯、LED幕墙灯、LED线条灯、LED草坪灯、LED七彩变色灯、LED数码灯、LED发光模块、LED灯杯、LED球泡、庭院灯、不锈钢灯、光纤灯、LED装饰灯、LED点阵灯、LED发光管、广告字LED专用模组、LED广告灯、LED软管灯、LED背光源、、超高亮LED、LED灯泡、LED灯串、LED彩灯、LED闪灯、LED发光字等各种LED灯具和灯饰产品，并承接定做各种LED异形灯具、灯饰产品。

Up to now, its dominating products are CAMELOT series bulb, drawbar, QINGLING series bulb cage, clutch, fastener.

其产品的质量保障能力、售后服务体系更得到了整车配套厂、汽车维修市场经销商的广泛认可。

Compact florescent bulbs combine these components into the base of the bulb so they can be used almost anywhere an incandescent bulb will fit.

紧凑型荧光灯泡组合成的灯泡这些组件的基础，使他们能够在几乎任何地方使用白炽灯泡的适合。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。