真空处理

The insolubility of PHB in chloroform which pretreated at over 120℃ and its mechanism were studied for the first time.

首次发现了PHB在120℃—180℃真空加热处理后会改变其在三氯甲烷等有机溶剂中的溶解性；溶解的程度与加热处理的温度、加热时间和被处理样品的分子量有关。

The results are:(1) The brightness of the specimens will decrease and the chromatism will increase with the prolongation of time of heat treatment. Compared to heat treatment in vacuum, the specimens have more color changes after heat treatment in air, with the same temperature and time of heat treatment.

该研究的结论为：(1)在相同条件下，随着处理时间的延长，试材的明度减小，色差增大；空气介质中热处理和真空中热处理相比，在处理温度和时间相同的情况下，前一种方法处理后的试材材色较深。

Therefore, we carried out the theoretical and experimental study on reducing sphalerite of hi...

因此我们开展了真空下还原剂直接还原高铁闪锌矿工艺的热力学分析和实验研究，该方法实现了高铁闪锌矿的直接熔炼处理，具有能单独处理铁闪锌矿、流程短、无污染、金属回收率高、综合利用好等优点，且针对我国丰富的难处理锌资源一高铁闪锌矿，转变铁闪锌矿资源优势为经济优势，应用前景广阔。

The pin configuration between the low-temperature cold platform and the room-temperature shell is realized by introducing a special processing method to the preparation and connection of the installation underlay, the down-lead circuit, the feed-through collar and the metal leads.

通过在安装衬底、引线电路、引线环、金属引线制备和连接上引入特定的处理方法，来实现了低温冷平台与室温外壳之间的引线结构，本发明实现了低温冷平台与室温外壳之间高通用、高气密的电学和真空连接，有利于微型红外探测器杜瓦组件的寄生热负载降低和长真空寿命的获得，同时引线连接点可承受高速率变化的高低温冲击，具有较高的可靠性。

Thanks to the experiences accumulated by years, the advanced software such as Proe, Autocad, Mastrecam and Solikorw, as well as the professional surface treatment technologies and processes like oil spraying, silk screen printing and vacuum prototyping, the products with high quality can be fast molded and timely delivered by Shuangyue, obtaining both supports and acclamations from the customers.

多年的成熟制做经验，加上引进了一台国际先进的激光设备，五台CNC加工中心；五台车床；五台铣床，一台真空复模机等现代化设备；运用Proe，Autocad，Mastrecam，Solikorw等一系列先进电脑软件，还拥有专业的表面处理技术及流程，包括喷油；丝印；真空复模，使我们的产品快速成型；品质卓越；交货准时，受到了众多客户的支持与好评。

The practice shows that the filter cloth can effectively enhance capacity of the vacuum filter and it is worth popularizing and applying.

介绍了丙纶针刺毡滤布在真空过滤机上的试验及应用情况，认为该滤布可有效提高真空过滤机的处理能力，有一定的推广应用价值。

Vacuum sealed inside, the vacuum hot water boiler in which steam produced by negative pressured heating medium water with heat and steam exchanger, shows high thermal efficiency.

真空热水锅炉机体内部真空密闭，热媒水负压燃烧，所产生的蒸汽与热交换器进行汽水交换，热效率高，热媒水在工厂制作时一次性处理灌注，运行中无需补充。

The most common installation errors are miss routing vacuum lines, specifically the power steering idle up line and the 4x4 vacuum supply line so pay specific attention to those.

最普通安装错误是铺设真空线，特别是能力的错过掌舵无所事事向上因此由具体处理的产品和4x 4真空供应线对那些的注意。

Vacuum Pump is a two stage pump capable of .1 micron can be used for applications such as freeze-drying, vacuum deposition, centrifuging, mass spectroscopy, electron microscopes and evacuation of cathode ray and other gas tubes.

L 真空泵是一种二级泵，它能处理1微米的压强，它能用于冷冻干燥、真空淀积、离心过滤、质谱分析、电子显微镜、抽真空阴极射线和其它的离子管的应用中。

Results of experimental research on diamond surface metallization with electrolyse plating and vacuum plating show that strength, thermal stability and penetration rate of metallized diamond are much better than that of nonmetallilized diamond, and performances of diamond plated with Ti are the best among all plated diamonds.

利用化学镀和真空镀 2种方法对金刚石表面进行金属化处理的试验研究结果表明，镀膜金刚石较未镀膜金刚石的抗压强度、热稳定性等性能和碎岩效果均有很大提高，其中真空镀Ti的效果最好。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。