Additional words in covers of medical periodicals should urgently be standardized;
医学期刊封面标注语亟待规范
An investigation on current status of designation on front cover of scientific and technical periodicals;
科技期刊封面年月期卷标志现状调查
After China s reform and openness to the outside world,with the trend towards"global integration",the graphic design of periodical front cover is now emerging with a new visage before the domestic and overseas readers.
改革开放以后,期刊封面装帧设计在“全球一体化”的趋势下,正以崭新的面貌呈现在国内外读者面前,在人文性、个性化、时尚性、市场性等方面突显出与时代同步的特征。
Spray welding techology for sealing surface of gate valve on gas production wellhead;
采气闸阀密封面喷焊工艺及性能
The paper analyses the reasons for the leakage of HP equipment sealing surface,and solve the problems one by one,to avoid the re-occurance of the same kind of failures,and create the conditions for safe production.
通过分析高压设备密封面泄漏的原因,找出主要原因逐一加以解决,避免同类事故的再次发生,为安全生产创造条件。
Iron-Based alloy powder of plasma arc surfacing for valve seal surface;
阀门密封面用等离子弧堆焊铁基合金粉末
Analyses the causes for slight crack when spray-welding satellite 6 on seal surface of 1Cr13 large type of gate,discusses the testing process,introduces the technology of overlay,spray-welding and heat treatment after reforming.
分析了1Cr13钢大型闸板密封面喷焊Stellite6时产生微裂纹的原因,论述了试验过程,介绍了改进后的密封面堆焊、喷焊和热处理工艺。
The severely corroded parts can be repaired by the process of "cleaning--Ni25 spray welding to fill corrosion pits-machining-CO-Mo alloy electric brush plating", while for the mild corroded seal surface, "CO-Mo alloy plateing+406 special coating or direct special 406 coating" process can be applied.
介绍了PVA装置不锈钢密封面在醋酸中的缝隙腐蚀试验,并对受腐蚀的密封面修复工艺进行了研究,对严重腐蚀的部件可采用“清洗-喷焊Ni25填充蚀坑-平整加工-电刷镀Co-Mo合金”修复工艺；而对腐蚀不严重密封面修复可采取“电刷镀Co-Mo合金镀层加406特种涂层或直接涂刷406特种涂层”正艺。
Principles and representation of cover design of academic science journals;
学术类科技期刊封面设计的原则及表现
This article inquires into the inpidual design practices and some cover design' s problems which should be paid attention to.
本文就设计实践,对封面设计中几个问题作些探讨。
The essentials of university journal cover design include cover information and design techniques.
高校学报不仅要注重内在美,而且要注重外在美,尽可能做到内客与形式的完美结合,因此,讲究学报封面设计十分重要。
Surfacing technology of Ni-alloy to improve the sealing face of valve was introduced.
介绍了一种改善旋转止回阀密封面性能的镍基堆焊工艺。
In this paper,the laser surface hardening process and the microstructures and hardness distribution for sealing face of 35CrMo steel were studied.
研究了 35CrMo钢密封面的激光表面淬火工艺、淬火层的组织及硬度分布 ,探讨了用激光表面淬火技术取代渗氮处理的可能性。
The Design of Software Cover Using API;
利用API函数设计软件封面