1) new type of chemical pipe
新型化学管材
2) new type piping material
新型管材
1.
The characteristic of traditional tube galvanized steel pipe is analyzed,its defect is pointed out and it is necessary to the new type piping materials replace galvanized steel pipe.
分析了传统管材———镀锌钢管———的特点 ,指出其弊端及新型管材取代镀锌钢管的必然性 。
3) new chemical reinforcement material CRS
新型化学加固材料CRS
4) novel chemical sand-fixing materials
新型化学固沙材料
1.
The research status application and existing problems of novel chemical sand-fixing materials are deeply analyzed, and finally it’s pointed out that partial degradable sand-fixing materials of organic-inorganic composite which have good ecological coordination will be the development direction of chemical sand-fixing materials.
简要回顾了治理沙漠化的几种主要固沙材料和方法,并对新型化学固沙材料进行了分类:生态环境固沙材料、微生物类固沙材料和有机-无机复合固沙材料,深入分析了3类固沙材料的研究应用现状及其存在的问题,最后提出具有良好生态协调性的可降解固沙材料,尤其是可部分降解有机-无机复合固沙材料将是化学固沙材料未来发展的方向。
5) new chemical material
化学新材料
1.
As a kind of New biological material,polylactide is known as the fourth kind of new chemical material for its superior performance.
玉米塑料作为一种新型生物质材料,因其优越的性能被誉为"第四类化学新材料",本文试从玉米塑料的研发、生产意义及应用前景等方面加以介绍。
6) a new chemistry textbook
化学新教材
1.
In this paper,a new chemistry textbook is analyzed in regard of its knowledge,training thinking ability,practicability and interest in comparison with the old one.
从知识性、思考性、实用性、趣味性等几个角度去分析初中化学新教材,并与老教材比较,得出新教材的进步之处在于"以人为本"、图文并茂、贴近生活以及让学生自主学习、加强实验、倡导科学研究。
补充资料：工程化学障碍物(见化学障碍物)
工程化学障碍物(见化学障碍物)
engineering-chemical obstacle
习U·上日、11匕I一9 nuQXue Zhang’aiwu工程化学障碍物(engineelsng一ehemiealobstacle)见化学障碍物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条