grade of concentration 中文意思是什麼

grade of concentration 解釋
富集度
  • grade : n 1 等級，級別；階段；程度，標準，水平。2 〈美國〉（中小學的）年級；某一年級的學生。3 〈pl 〉 〈...
  • of : OF ＝Old French 古法語。
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. In addition, in postwar ( world war ii ) period, japanese pharmaceutical industry rose abruptly after suffering a great damage, and in a few tens of years, it had become being able to supply more nces than any other counties ( or areas ) in the world. during this course, in japanese pharmaceutical industry, also emerged some conditions similar to ours " status quo which are low concentration ratio, low - grade competitory mode that remains at the level of price competition, and so on

    不僅如此，二戰後日本的醫藥產業在遭到了嚴重破壞的情況下迅速崛起，短短的幾十年時間里迅速成長為世界上最大的nces供應國，在這樣一個發展過程中，日本也有過與我國目前醫藥產業狀況非常相似的情形，如產業集中度低，競爭方式停留在低水平的價格競爭上等。
  2. Abstract : it has been established that titanium exists in jinduicheng molybdenum deposit in rutile type by test for all kinds of ores. its grade is about 1 %. there isn ' t concentration in products. the particle size is fine, and the distribution isn ' t evenly. it has a definite economic benefit if it recoveried from tailings

    文摘:通過對金堆城鉬礦床中各種類型礦石的系統測試，查明了鈦在該礦床中主要以單礦物金紅石的形式存在於花崗斑巖各蝕變帶的鉬礦礦石中，品位約為1 % ，產品中沒有富集，基本隨尾礦流失，粒度細，分佈不均，從尾礦中進行綜合回收，具有一定的經濟效益。
  3. On the basis of the statistical analysis of the annual production data of aoshan concentrator, the mathematical models for the relationship of the concentrate quality indexes ( concentration ratio, concentrate grade and recovery ) with run - of - mine ore grade and hourly throughput per unit were established and analysis of their relationship was made, which has a direct effect on guiding the concentrators production and ensuring the concontrate quality

    通過對凹山選礦廠全年生產報表數據的統計分析，分別建立了精礦質量指標（選礦比、精礦品位、精礦回收率）與原礦品位、臺時處理量之間的數學模型，並對其之間的相互關系作了分析，對指導凹山選礦廠生產、保證精礦質量有著直接的指導作用。
  4. Abstract : controlling aar with high quality i grade fly ash has been researched. the result shows that the content is more important than the quality for the effect on controlling aar. the solubility of the fly ash contained alkali is inquired in differ alkali concentration solution. the mechanism of low content accelerating swell and yet high content controlling swell is discussed when controlling aar with the fly ash contained high alkali content

    文摘:研究優質級粉煤灰對堿骨料反應的抑制效果，結果表明，用粉煤灰抑制堿骨料反應，其摻量因素的影響大於品質因素的影響；探討了粉煤灰中的堿在不同濃度堿溶液中的溶出情況及用高堿含量粉煤灰抑制堿骨料反應時，低摻量促進膨脹，高摻量抑制膨脹的機理。
  5. The particulate remains the key pollutant affecting the air quality in china. the annual concentration of the urban particulate in 64. 1 % of the cities exceeded grade ii

    顆粒物仍是影響我國城市空氣質量的主要污染物， 64 . 1 %的城市顆粒物年均濃度超過國家空氣質量二級標準。
  6. Secondly, the paper reviews the evolution of the scale structure of towns in county administrative areas. the spatial structure show changes from concentration to political regional balance, and changes to the grade - size differentiation. based on the cases, it summarizes four models : single - centre model, double - centre model, group - centre model and urban - radiation model

    其次，總結全省縣域城鎮規模結構的演變，劃分出密集化向均衡化再向等級化的階段變遷，並結合具體案例歸納縣域城鎮空間分佈的四種主要模式：向心集中型、雙中心分佈型、多核心分佈型和城市輻射型。
  7. More investment was made in central districts and suburban towns, conducting the construction of a series of projects and reform of the environment, and thus elevating the grade of the city, and reinforcing the effect of concentration and radiation. a trend of running schools and medical treatment has appeared in the townships

    中心城區和各城郊鎮加大投入，進行一系列的項目建設和道路、環境改造，提高了城市品位，增強了城區的聚集和輻射效應。各鎮（區）集約辦學、辦醫形成氣候，村一級的集約建設出現良好勢頭，全市實行村級連片辦學的學校有42所，社區衛生服務站23所。
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