查询词典 cracking

One or two Chinese refineries will convert to fuels only sites between 2007 and 2011, but there is still a net rise in Chinese wax output. Petroleum wax supplies from all regions will see modest growth from plants currently operating via capacity creep, improved utilization and low cost recovery of petroleum wax from cracking.

中国的一两家炼油厂还将在2007至2011年间专向燃料生产，但是中国的石蜡产出仍然还会保持净增长，中国各地区的工厂在职能分解后，通过管理恢复，产量缓慢爬升，石蜡利用率提高，成本降低，石蜡产量有小幅的增长。

The early autogenous shrinkage of highway concrete containing ultra-fine fly ash was investigated,and the influence of UFA on early cracking sensitivity of concrete was analyzed.

目的研究掺超细粉煤灰(Ultra-fine Fly Ash，简称UFA)的道路混凝土早期自收缩特征及UFA对混凝土早期开裂敏感性的影响规律。

In this paper, the technics of preparating methylmethacrylate by cracking waste plexiglas and the application were studied.

本文主要对废旧有机玻璃裂解制备甲基丙烯酸甲酯的工艺及其应用进行了研究。

Use MMA received by cracking to research functionality plexiglas.

利用裂解工艺获得的产品及与市售合成的MMA掺合起来，应用于功能性有机玻璃的研制。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。