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- Discussion on exposed roof area of block chambering method in Jinling iron mine 试论金岭铁矿阶段矿房法的顶板暴露面积
- Keywords block chambering method;exposed area;gently inclined ore body;side pressure coefficient;height width rati|; 阶段矿房法;暴露面积;缓倾斜矿体;侧压系数;高宽比;
- block chambering method 阶段矿房法
- Fig. 5 . Pixel grouping of the digital chambering method. 圖五、牡蠣殼影像数位測量法之像素分群。
- Using the grid ionization chamber method and small solid angle method,the number of 238U nucleus in the highly pure U3O8 sample is determined. 用屏栅电离室法和小立体角法测量了高纯度U3O8样品中的238U核素数目。
- Formaldehyde emission levels of four kinds of wood-base d panel (Plywood,Blockboard,Particleboard and MDF) were studied with perforate m ethod and large chamber method. 分别用穿孔法和大室法研究了4种人造板材(胶合板、细木工板、刨花板和中密度纤维板)的甲醛散发水平。
- Abstract: Using the grid ionization chamber method and small solid angle method,the number of 238U nucleus in the highly pure U3O8 sample is determined. 文摘:用屏栅电离室法和小立体角法测量了高纯度U3O8样品中的238U核素数目。
- To fractionate the contribution of plant to N2O emission from soil-plant system,the N2O emissions from soybean,soil and soil-plant system were measured by closed chamber method under field condition. 为区分植物在土壤-植物系统N2O排放中的贡献,用封闭式箱法对田间栽培的大豆植株及土壤、大豆植株-土壤系统的N2O排放进行了测定,同时对影响N2O的排放的因素进行了分析。
- He is a great guy, a chip off the old block. 他是一位好人,就像他父亲一样。
- Coupled chamber method reciprocity calibration 耦合腔法互易校准
- jacking with relay chamber method 中继间顶进法
- That old block of flats is a real eyesore! 那座旧公寓真不顺眼!
- By using soil bores and closed chamber methods, field experiments were carried out in the semiarid area of dry land to study the effects of irrigation and rainfall on the N2O loses. 摘要利用土壤探头法和密闭气室法相结合,就黄土高原旱地土壤玉米生长期灌溉和降水对N2O气态损失的影响进行了研究;
- The office block is under offer. 办公大楼已有人出价购买。
- The members left the council chamber. 议员们离开了会议厅。
- He used his casting vote to block the motion. 他用他的投票反对动议的通过。
- Both of them are nuts about chamber music. 他们两人都喜欢室内音乐。
- A heavy snowfall block the main road. 一次严重的降雪阻塞了主要公路。
- Write your name in block capitals, please. 姓名请用大写。
- An operation chamber should be completely sterile. 手术室应该完全无菌。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries