條間距比率 的英文怎麼說

中文拼音 [tiáojiānjùbǐlǜ]
條間距比率 英文
bar garatio
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 距 : Ⅰ名詞1 （距離） distance 2 （雄雞、雉等的腿的後面突出像腳趾的部分） spur （of a cock etc ）Ⅱ動詞...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 間距 : interval; separation; spacing; espacement; space; spacing; space length; range; unpack; step
  • 比率 : ratio; proportion; rate比率計 ratio meter
  1. Based on the genetic algorithm ' s global searching capability with probability regulation and euclid ' s space distance metric to settle multi - objective, the algorithm that integrates multi - objective ' s decision - making into the modified genetic algorithm to solute the optimal model with discrete variables and multi - objective is proposed. during the algorithm ' s design, the euclid ' s space distance metric is proposed to transform the multi - objective problem into single objective problem. and some modified measure to fitness function and crossover probability and mutation probability are used to improve the performance of the algorithm and avoid premature convergence

    演算法設計過程中，利用歐幾里德空間距離準則和罰函數法，將含有約束條件的多目標規劃問題轉化為無約束的單目標優化問題；針對簡單遺傳演算法出現的早熟，構造隨進化代數動態調整適應度的適應度函數和隨個體適應度自適應調整的交叉、變異概率；提出比例選擇與精英保留策略相結合的選擇、兩點交叉和簡單變異的改進遺傳演算法。
  2. It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed

    結果表明：在一定的床層結構和操作條件下，超細粉可以在導向管噴動床中實現平穩流化，從而為改善超細粉的流化質量提供了一種有效的新方法；固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比；氣體則基本上不存在「旁路」現象；環隙區中的顆粒流動表現為一移動床特徵。
  3. This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively

    本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ （ 60 ）粗品產率的影響；接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ （ 60 ）固體，比較了不同流動相和固定相的提純效率和效果；然後採用自己改進后的真空鍍膜機，利用電阻式加熱蒸鍍方法，得到了純c _ （ 60 ）薄膜和不同摻雜比的銀摻雜薄膜；探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響；最後通過xps ， afm ，紫外，紅外，拉曼對薄膜的成分、結構和特性作了定性和半定量分析。
  4. The test results indicated that : crack similitude of reinforced concrete simple beams is not equal to model scale under the working load ; when the amount and surface shape of reinforcing bar are same, the similitude of crack width, crack amount and crack spacing of reinforced concrete simple beams of different scales are all nearly equal to the square root of model scale ; when the amount and surface shape of reinforcing bar are different, the similitude of crack amount and crack spacing are still nearly equal to, whereas the crack width is not only approximately proportional to, but the influence of the amount and surface shape of reinforcing bar on crack width should be considered also at the same time

    試驗結果表明：在使用荷載下，鋼筋混凝土簡支梁的裂縫相似率並不等於幾何相似比；當鋼筋根數及形式相同時，不同模型比尺下的鋼筋混凝土簡支梁的裂縫寬度、裂縫條數及裂縫間距的相似率，均約等於模型幾何相似比的平方根；當鋼筋根數及形式不同時，裂縫條數及裂縫間距的相似率仍然約等於，而裂縫寬度的相似率近似與成正比，但應同時考慮鋼筋根數與鋼筋表面形狀對裂縫寬度相似率的影響。
  5. During recent years, under the positive push of the “ golden card engineering ” and the “ web - based universalizing ”, the phony credit card business in chengdu arrives at the best level in history. however, there are many problems in actual operation and management from both subjective cognition and objective facts. the emergency problem for icbc chengdu branch is how to expand its market share and how to get more profit by decreasing the operation cost

    2002年以來，在市場經濟發展和「聯網通用」工程的推動下，成都地區牡丹信用卡主要業務指標連續創歷史最好水平，但是，無論是在工商銀行系統內排名還是在成都地區同業間排名，都比較落後，主要問題是發卡規模小，卡片使用效率低，收益總體水平不足，反映出成都地區牡丹信用卡業務在主觀認識、客觀條件和實際經營管理方面與行業先進水平相比存在著相當大的差距。
  6. ( 4 ) the neat cement paste fluidity of copolymer would augment and the cohesiveness of cement would increase along with augmentation of pea dosage, but if the dosage was too big, the dosage of aa would be reduced, so it would reduce the carboxylic content of copolymer, and performance of water reduce would weaken, the dosage of pea23 can not more than 25 %. ( 5 ) the effect of water reduce would increase if the copolymer time increase

    而與x40 ;比較，減水率、凝結時間、保坍性、抗壓強度比等綜合性能還有一定的差距，有待進一步的改進和研究。從合成pc23一6的工業性分析: pea23的酷化和pc23一6的共聚的放大試驗看，其混凝土試驗結果較為理想，且其合成工藝流程較為簡單，具備高分子的合成條件:而從經濟性分析， 30 % pc23一6水溶液的原料成本低於fdn ，其性能具有較大的優勢，具有廣闊的工業化的前景。
  7. Similarity coefficient and genetic distances between two arbitrary individuals were caculated according to the data of experiments, the pedigree was constructed by two means ( they were upgma and parsimony ), and genetic diversity was discussedbased on selecting the best conditions of pcr with opg and opa primers from operon company, we obtained 163 bands using 24 random primers. in other words, 163 sites in crested ibis " genome were detected. the bands from 23 primers showed polymorphism. minimurn of polymorphic ratio was 0, maximum was 85. 71 %, and average was 48. 99 %. in the population which was composed by 37 individuals, most of genetic distances between two arbitrary individuals were less than 0. 1. the results showed that the degree of similarity among crested ibises was high while genetic diversity in the population was low accordingly

    我們在對operon公司opg系列和opa系列引物進行優化篩選的基礎上，用24條隨機引物共擴增出163條譜帶，即檢測了朱?基因組中的163個位點，其中23條引物的擴增結果具有多態性；譜帶的多態比率最小為0 ，最大為85 . 71 ，平均為48 . 99 ；在由37隻朱?組成的種群中，任意兩個個體之間的遺傳距離絕大多數在0 . 1以下。這些結果表明，目前朱?個體間的相似程度很高，種群的遺傳多樣性水平較低。
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