In this paper , the crystallinity of pvc modified by homemade nucleating agent and heat treatment was increased . the maximum crystallinity reached 12 % 采用自制的成核剂对pvc进行喷液处理和热处理的各种改性，提高了pvc的结晶度，使pvc的结晶度达到了12 。
Usages : exhaust pipes of aircraft , boiler covers , heat exchangers , boiler pipes , some parts that are impossible for heat treatment after welding or assembling 航空器排气管、锅炉盖罩、热交换机、锅炉用管、延展接头等的焊接、接合后无法热处理的零部件及设备。
The sn - cu alloys with shell structure were prepared to reduce the problem of volume expansion . the morphology and composition of these alloys were charactered by sem and ed 为了缓解锡合金在循环过程中的体积膨胀,使用热处理的方法制备了壳层结构的sn - cu合金材料。
The specimen shall be transverse , using dimensions less than standard if necessary , and shall be prepared from a wafer heat treated with the material to be delivered 试样应为横向试样，如有必要，试样尺寸小于标准试样，试样应采用在交货材料上切取并经过热处理的试料制备。
As the development of science and technology , more and more workpieces need heat treatment in the manufacture field of metallurgy , mechanism , spaceflight , aviation 随着科学技术的发展，在冶金、机械、航天、航空、船舶等工业生产中，需要进行热处理的零件和工具日益增多。
Heat treated specimen , under the heat treatment temperature of 720 、 760 、 800 and 1050 , and non - heat treated specimen are studied through normal mechanics tests and rupture test 对经720 、 760 、 800和1050温度下热处理的试样和未经热处理的试样进行了常规力学性能试验和持久强度试验。
This company endeavors to hardening , normalizing , tempering , high and medium temperature quenching , mesh belt furnace quenching , cementing , time effective freezing and high temperature treatment etc 本公司是一家致力于从事调质、正火、回火、高中温淬火、网带炉淬火、渗碳、时效冰冷及其高温热处理的厂家。
Our company endeavors to quenching & tempering , normalizing , tempering , high and medium temperature quenching , mesh belt furnace quenching , carbonizing , aging subzero and high temperature heat treatment , etc 本公司是一家致力于从事调质、正火、回火、高中温淬火、网带炉淬火、渗碳、时效冰冷及其高温热处理的厂家。
At 700 c , the tio2 thin film showed the highest photocatalytic activity due to the increasing amount of sio2 as an adsorbent center and better crystallization of tio2 in the composite thin film 经700热处理的薄膜具有最高的光催化活性，这是因为薄膜中作为吸附中心的sio _ 2含量增加和此时薄膜具有更好的晶化程度。
The research shows that using temperatures and times of heat application similar to those used in commercial pasteurization of liquid egg products are sufficient in deactivating the h5n1 strain of virus . here 这项研究说明，对食物进行热处理的时间和温度如果与商业上用来处理蛋汁的巴氏灭菌类似，就足以灭活流感病毒
