Wine rapidly deteriorates in the presence of oxygen. Creating a vacuum above the wine dramatically reduces the oxygen levels in the bottle allowing the wine stay fresh for longer.
红酒及洋酒暴露在氧气环境下极易变质，在瓶内制造低氧低压的类真空环境可使酒保鲜较长时间。
Above the stratosphere, visible as a darker blue bands, are higher and thinner atmospheric levels that gradually fade away into the cold dark vacuum of outer space.
平流层之上，看上去深蓝色的地带，是稀薄的高层大气，逐渐过渡到冷而黑暗的外层空间的真空地带。
For this reason, a vacuum dryer is especially suited to drying a heat-sensitive material that degrades above a given temperature and would otherwise require a lengthy drying cycle.
基于这个原因，真空干燥机是一个特别适合干燥热敏感材料，降低上述给定的温度，否则将需要一个漫长的干燥周期。
Above mentioned equipments have been simply introduced, and development trend of vacuum heat treatment technology has been put forward in this paper.
本文简单介绍了上述设备，并提出了真空热处理技术的发展趋势。
Samples of mixed aliphatic alcohols were continuously purified by vacuum distillation using a stainless steel installation; the purity of the product was above 95%.
并用不锈钢装置对混合脂肪醇进行连续真空精馏提纯，产品纯度可达95％以上。
Preservation vacuum machine will meet your needs above.
保鲜真空机将满足您的上述需求。
In general, a foot valve can be mounted if the pump is mounted above the water level of the water inlet so as to start the pump with priming, it can also use the way of vacuum pump water leading.
如水泵安装在进水水位以上时，为了灌泵启动，一般可装底阀，也可采用真空泵引水的方法。
Then the eluent which got from above conditions was dehydrogenized by vacuum freezing drying method, the tan powder of BLF was collected.
在此条件下得到的洗脱液再采用真空冷冻干燥的方法，得到竹叶黄酮的黄褐色粉末。
Intake stroke: the camshaft opens the intake valve and the piston moves down the cylinder. This creates vacuum and sucks in air and fuel into the combustion chamber above the piston.
进气行程：凸轮轴打开进气阀，活塞在汽缸中向下运动，产生一段真空。
Large vacuum desiccator was used to collect ammonia volatilized from above ground parts of soybean during its growth period.
利用大型真空干燥器，测定了大豆在不同生长发育阶段地上部分氨的挥发损失。
A set of general feeder, the filling rate can achieve 99.5% above, the feeder can be equipped with vacuum interface, in order to eliminate the feeding process of the dust problems.
配置一套通用加料器，其充填率可达到99.5%以上，该加料器可配吸尘接口，以消除加料过程中所形成的粉尘问题。
Therefore, when vacuum data were measured above groundwater level, the reading of vacuum gauge reflected the wat...
而对地下水位以下的真空度测点，真空表读数无意义。
Using the result obtained above, the reliability of a cylinder body of a vacuum tower is calculated.
利用所得结果计算了一座减压塔筒体的可靠度。
These results above mentioned suggested adding GDC, vacuum assisted electroless plating Ag and compaction pressure are effective methods to improve the performance of cathodes for the IT-SOFCs.
上述这些结果表明，添加GDC、化学镀银以及压力处理都是可以改善中温SOFC的阴极材料性能的有效手段。
The principles of the vacuum crystallization, types and selection of crystallizers were given. Comparison of the above two methods we…
本文介绍了真空结晶法的原理，以及真空结晶器的类型和选型，并比较了这两种结晶法。
Vacuum nozzles integrated with porous medium pads precisely control the height of the flexible media above the central section during inspection or repair.
真空吸嘴一体形成在多孔介质衬垫上，用于在检测或修复过程中精确控制柔性介质在中心部分之上的高度。
The Fairchild Model 1600A Vacuum Regulator is designed for systems that require High Flow and system pressure control above and below atmospheric pressure.
飞兆半导体型号1600A的真空调节器是专为系统，这需要高流量和压力控制系统的上方和下方大气压力。
The Fairchild Model 16 Vacuum Regulator is designed for systems that require system pressure control above and below atmospheric pressure.
飞兆半导体型号16的真空调节器是专为系统压力控制系统的上方和下方大气压力要求。
But, for the PAG oil, because special vacuum pump is used, the dimensions and weight of the equipment is different from the above.
但是，因为PAG油使用的是特殊的真空泵，所以外形尺寸和质量不同于上表。
But, for the PAG oil, because special vacuum pump is used, the dimensions and weight of the equipment is different from the above.
但是，因为PAG油使用的是特殊的真空泵，所以外形尺寸和质量不同于上表。
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