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- STUDY ON RELATIONSHIP BETWEEN ROOF STABILITY AND TOP COAL's RECOVERY RATIO DURING CYCLIC WEIGHTING IN FULLY-MECHANIZED SUBLEVEL CAVING FACE 綜放采場(chǎng)周期來(lái)壓階段頂板結構穩定性與頂煤放出率的關(guān)系
- The top coal's recovery ratio in fully-mechanized sublevel caving face controls the stowing degree of the goaf, thereby influences the stability of hard and massive overlying roof. 摘要綜放采場(chǎng)頂煤放出率控制著(zhù)采空區的充填狀況，從而影響著(zhù)大厚度堅硬頂板的穩定性。
- Influence of Gob Shield Angle on Top Coal Recovery Ratio 綜放支架掩護梁角度對頂煤回收率的影響
- Measures to Raise Recovery Ratio of Resources in Working Face of Fully Mechanized Top Coal Caving 提高綜放工作面回采率的措施
- Study on relationship between roof stability and recovery ratio of top coal at first weight period in fully-mechanized sublevel caving face 綜放采場(chǎng)初壓階段頂板穩定性與頂煤放出率關(guān)系探討
- Improving Top Coal Recovery Ratio in Full-mechanized Sublevel Caving Faces by Long-hole Controlling Presplitting Blasting Technology 利用深孔控制預裂爆破技術(shù)提高綜放工作面頂煤回收率
- top coal recovery ratio 頂煤采出率
- top coal's recovery ratio 頂煤放出率
- It is key problem to raise the top coal recovery rate of the fully mechanized sublevel caving mining. 提高頂煤放出率是綜放開(kāi)采的一個(gè)重大課題,預注水弱化頂煤是解決這一問(wèn)題的有效方法之一。
- The standard add recovery ratio was 92.6%,RSD was(n=11)<7.5%. 標準加入回收率為92.;6%25。 變異系數(n=11)<7
- Sunshine , fresh air , and rest often accelerate a person 's recovery from sickness. 陽(yáng)光、新鮮空氣和休息常會(huì )促使病人早日康復。
- After using the fuzzy-PID control system,the stability of the refined coal quality is guaranteed and the recovery ratio is increased. 選用基于模糊理論的PID控制系統后,有力地保證了精煤質(zhì)量的穩定和回收率的提高。
- Porter’s duties will focus on working with the representatives in support of FCT’s recovery customers. 波特的職責將集中于工作的代表，以支持FCT經(jīng)濟復蘇的客戶(hù)。
- Conclusions Peri-operative nursing is the key to success. abd is important for the patient s recovery. 結論:認真做好術(shù)前術(shù)后護理,對患者術(shù)后康復十分重要。
- Self-pity is one of the worst reactions to suffering.It can be a real hindrance to the patient’s recovery. 經(jīng)歷苦難的時(shí)候，自憐是最差的反應，它是病人康復的真正障礙。
- Dr.Willitts fitted the baby cub with new ’booties’ that allowed him to run around which played a major step in the animal’s recovery. 威力茨醫生為這只小獸穿上了合腳的新“靴子”，讓他可以四處蹦蹦跳-- 這對動(dòng)物的康復來(lái)說(shuō)十分重要。
- Japan’s recovery was underpinned by strong exports, first to China and more recently to Europe and oil-exporting countries. 日本的復蘇非常依賴(lài)出口，最大對象是中國，而最近，對歐洲和石油輸出國的出口也有大幅上升。
- For that experiment, state-of-the-art detectors are being developed, a process that may be expedited as part of Super-K's recovery. 為此，目前正在籌建最先進(jìn)的偵測器，而且籌建過(guò)程可能因超級神岡的復原而加快。
- Sublevel caving technique has been utilized in Datong mining area under hard rock and hard coal, problems including low recovery ratio and spontaneous fire in gob have been overcome to achieve safe and high prodction. 大同煤礦集團“兩硬”條件侏羅紀厚煤層下分層工作面應用低位放頂煤開(kāi)采技術(shù),解決了傳統工藝所造成的煤炭資源回收率低、空區自然發(fā)火危險程度高等技術(shù)難題,實(shí)現了安全高效開(kāi)采的目的。
- The PML(N)'s recovery is especially remarkable in a country where voters tend to pitch for the candidate best able to dish out patronage. 可以說(shuō)，PML-N政黨能重振旗鼓在巴基斯坦是特別了不起的一件事情，因為在這個(gè)國家，選民傾向于為那些最能將自己獲得的權力分享的候選人投票。
