1.
Technology and Control of First Roof Caving at Fully Mechanized Coal Face with Hard and Massive Overlying Strata
厚层坚硬顶板综采工作面初次放顶技术管理
2.
The first caving roof sections in hard coal layers can effectively reduce the pressure during the course of caving and guarantee safe production and efficiency.
坚硬煤层顶板分段初次放顶,能够有效缓解放顶期间的顶板压力,保证安全生产,提高生产效率。
3.
Main roof first collapse law and measure of controlling roof in seam with approximate shallow depth
近浅埋煤层老顶初次垮落规律及控顶措施
4.
Study on allelopathic substances releasing mode of Flaveria bidentis
黄顶菊化感物质释放途径的初步研究
5.
Stability analysis of basic roof after first destruction in the steep seam
急斜煤层初次破断后基本顶稳定性分析
6.
Infectivity of Gaeumannomyces graminis var. tritici on the Seminal and Secondary Roots of Wheat
禾顶囊壳对小麦初生根和次生根的侵染性研究
7.
Initial analysis on the measurement and locating methods of the toe line and top line in the excavation section
挖方段坡脚线及坡顶线的测量放样方法初析
8.
Study on Distribution Regularity of Coal-body Gas Pressure near Coal Draw-point in Early Stage of Caving Mining
放顶煤开采初期放煤口附近煤体瓦斯压力分布规律研究
9.
Preliminary Study on Secondary Metabolites from Three Actinomycetes;
三株放线菌次级代谢产物的初步研究
10.
PRELIMINARY STUDIES ON THE SECONDARY METABOLISM OF A ACTINORMYCETSE JXJ-35;
放线菌JXJ-35次生代谢产物的初步研究
11.
Reflections on Layered Teaching in Open and Distance Education;
远程开放教育中实施分层次教学初探
12.
Study on Flow Field of Post Combustion at the Initial Stage on BOF by PIV;
氧气顶吹转炉冶炼初期二次燃烧流场PIV测试研究
13.
π Inflammable Thick Seam Steel Caving Face Note Fire-fighting Techniques of Nitrogen
易自燃厚煤层π型钢放顶煤工作面注氮防灭火技术初探
14.
Preliminary Studies on the Fungicidal Activity of Secondary Metabolic Products of Streptomyces;
土壤放线菌次生代谢产物生防活性的初步研究
15.
Study on the Clinical Effect and Mechanism of Injury by High Single-dose Irradiation;
单次大剂量放疗的临床疗效及损伤机理初探
16.
First Banishment of My Self--on the prose work of Wang Chonglu in the decade of 1956-1966;
自我的初次放逐——论王充闾1956-1966的散文创作
17.
Nigeria host the event for the third time, having stepped in as emergency replacements when Gabon pulled out earlier in the year.
今年年初原定主办国加蓬临时退出，尼日利亚紧急顶替加蓬第三次承办比赛。
18.
After several unsuccessful attempts at climbing to the peak of that mountain, the climber still refused to throw over his plan and finally he succeeded.
这位爬山的人几次攀登那山的顶峰都没有成功，但他还是不愿放弃计划，最后他成功了。