真空

Wuhan Yuancheng Technology Development Co., Ltd.Abstract: The paper is mainly comparated the preservation effects of three preservatives in pickles under the premise of no vacuum-packed, adding 0.05% of Sodium benzoate、0.05% of Potassium sorbate and different concentrations of potassium cinnamate in pickles, then put them into the box with constant temperature and humidity(T=35℃,R=90%) to speed up the experiment which was respectively packed in non-sterile and sterilization state.

本文主要研究无真空包装的前提下，在酱腌菜中添加0.05%的苯甲酸钠、0.05%的山梨酸钾和不同浓度的肉桂酸钾，分别在非灭菌和灭菌的条件下，将其放入恒温恒湿箱内（T=35℃、R=90%）进行加速实验，对比三种防腐剂对酱腌菜的防腐保鲜效果。

ABSTRACT : A new kind of vacuum generator circuit breaker is introduced.

提出了1种采用新型并联断口的真空发电机断路器。

The electrical performance of vacuum circuit breaker relies on the mechanical characteristics of its operation mechanism.

真空断路器的电气性能与其操动机构的机械特性之间关系密切。

The annual sales revenue of vacuum interrupter and vacuum switchgear can respectively come up to 170,000 pieces and 5.000 sets, of which vacuum interrupter and vacuum circuit breaker rank the first in Chinese Market.

产品市场占有率达30%左右，产销率和技术质量水平居国内领先地位，是真空开关行业的排头兵。

Wier pump and clack, steam vacuum ejector, injector clack and stop valve and Wier pump lubricator pot.

威尔泵和唠叨，蒸汽真空喷射器，注射器和截止阀瓣和威尔泵润滑锅。

Vacuum Cleaners: Which Is the One for Me?

真空吸尘器：这是最适合我？

Vacuum film plating equipment;plating equipment;painting equipment;ultrasonic cleanout equipment

真空电镀设备；电镀设备；涂装设备；超声波清洗设备

It was coated with prepared mixed powder on surface of steel, sintered in vacuum furnace.

这种方法是将混合后的粉末，涂敷在钢铁材料的表面，经过真空烧结后获得硬质覆层。

In this paper,the relay-contact device of control system of the vacuum sputtering coater is designed and researched,the technical process,the request,and the controlled process of the control system is analyzed and researched comprehensively.

本文针对真空溅射镀膜机采用继电器-接触器的控制系统进行了设计与研究，对控制系统的工艺流程、要求、及控制过程进行了详细的分析和论述。

The mass loss and linear expansion coefficient of the specimens were measured after vacuum thermo-cycling of different cycles.

分别测试了经不同次数真空热循环后材料的质损率及线膨胀系数。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。