有效對照比 的英文怎麼說

中文拼音 [yǒuxiàoduìzhàobǐ]
有效對照比 英文
effective contrast ratio
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 照 : Ⅰ動詞1 （照射） illuminate; light up; shine 2 （反映） reflect; mirror 3 （拍攝） take a picture ...
  • 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...
  • 有效 : effective; valid; efficacious
  1. 1. ecological effects of long - term organophasphate pesticides contamination on soil microflora the long - term effects of organophosphate pesticides contamination on soil microflora were investigated in the present study. little difference in total counts of bacteria, actinomycetes and fungi was observed between the contaminated and the non - contaminated soil. compared with the control there were a slight decrease in total counts of free - living nitrogen - fixer and denitrifying bacteria and a significant increase in those of ammonifying and ammonia - oxidizing and nitrifying _ bacteria in the methylparathion contaminated soil

    一、甲基對硫磷長期污染對土壤微生物的生態學效應研究了有機磷農藥甲基對硫磷長期污染對土壤微生物的影響，實驗表明：土壤細菌、放線菌、真菌總的數量影響不大；自生固氮菌和反硝化細菌數量減少；氨化細菌、亞硝化細菌、硝化細菌的數量在污染土壤中卻有所增加；與對照土壤相比，污染土壤呼吸作用下降了29 . 93 ；氨化作用和硝化作用強度得到增強。
  2. Antimicrobial effect of the bacteriocin produced by r21 - 4 is studied in the food systems. the results show that the conspicuous antimicrobial effect in the preservation of fresh milk. the samples were stored under 37 and the bacteria concentration in the sample with bacteriocin was 3 - 5 order less than the sample without bacteriocin

    考察了r21 - 4產生的細菌素用有機溶劑萃取制備的方法及其在食品中的防腐效果，結果表明，細菌素在消毒鮮牛奶的保藏中具有明顯的防腐效果，樣品添加細菌素在37保存24h - 48h后與對照相比細菌總數相差3 - 5個數量級，防腐效果顯著。
  3. Methods the optimal proportion of levant storax oil and dalbergiae odoriferae oil, which were active ingredients of the traditional chinese medicine styrax and dalbergiae odoriferae, was bolted by using uniform - design method ; the myocardial ischemia model of rats was set up through the induction of isoprel and the above rats were divided into 5 groups, which were model control group, high dose group of shuangxiangyou, middle dose group of shuangxiangyou, low dose group of shuangxiangyou, and positive control group of muskone

    方法傳統中藥蘇合香和降香的有效成分蘇合香油和降香油最佳配比採用均勻設計方法篩選；建立由異丙腎上腺素造成的心肌缺血大鼠模型，將實驗分為模型對照組、雙香油高、中、低3個劑量組及冠心蘇合丸陽性藥物對照組后進行藥效學實驗。
  4. The purpose of this study was to compare the 2 years ' efficiency of uterine artery embolization ( uae ) with hysterectomy in the treatment of menorrhagia caused by uterine fibroids in a randomized controlled trial

    目的：本次研究的目的是通過隨機對照實驗比較子宮動脈栓塞（ uae ）及子宮切除在治療由子宮肌瘤引起的月經過多的2年有效率的高低。
  5. Although they are just sprats compared with the four large state - owned commercial banks, they have specific advantages, including that they have established the corporate governance with flexible operation, clarified their orientation in markets, set up a relatively effective stimulative system, and built up the innovative spirits

    相對四大國家銀行，這些股份制商業銀行明顯處于比較弱小的位置，但又有自己的獨特優勢：基本上按照現代企業制度建立了比較完善的法人治理結構，有比較明確的市場定位，經營比較靈活，各自有一套比較有效的激勵機制，具有一定的創新活力。
  6. Results among the selected dosages, the theoritical optimal proportion of levant storax oil and dalbergiae odoriferae oil, which were both in the shuangxiangyou soft capsules, was 1 : 5 : 1. 0 ; the pharmacodynamics experiment indicated that the shuangxiangyou had the significant anti - myocardial ischemia effect compared with model control group

    結果雙香油軟膠囊中蘇合香油、降香油兩者在所選擇劑量范圍內的理論最佳配比為1 . 5 : 1 . 0 ；抗心肌缺血藥效學試驗表明，雙香油有顯著的抗心肌缺血的作用，與模型對照組比較具有顯著的差異。
  7. Among the two methods of inheritance, inheritance by operation of law is still the dominant one because most of the people are accustomed to disposing of their own property after death by law. while succession ex testamenta is favorable for the testate to dispose of his estate in accordance with his own will. compared with the system of inheritance by operation of law, the system of succession ex testamenta is privileged in effect

    在這兩種繼承方式中，法定繼承仍然是占絕對優勢的繼承方式，人們大多習慣讓法律來處理自己的身後事。而遺囑繼承更便於被繼承人按照自己的意志處分遺產。與法定繼承製度相比，遺囑繼承製度具有效力上的優先性。
  8. The authors designed three culture mediums : having phosphorus. without phosphorus and having phosphate rocks, the algea in these mediums have two contrast illumination : light and dark. further more, the authors designed consultative experiments without the algea

    作者設計了含可溶性有效磷、含磷礦石粉和不含磷的三種藻類培養基，培養基中的沙角衣藻分別以見光和黑暗培養進行對比實驗，並以不加沙角衣藻的平行實驗組作為參照。
  9. The paper analyzes comparatively interior transaction cost of integrated model with analysis structure of r. h. coase and market transaction cost of market model according to bargain proceeding ; analyzing economy of scales for electricity industry on the terms of its definition coming up with an improved " survival of the fittest " method to find optimum economic scale and explaining " separation of power plant from electric network " with the view of vertical economy ; studying selection and realization for valid competition of electricity industry with theory of contestable market, while setting up a oligarch monopoly competition model for the electricity market based on tax control of government with the thought of dynamic game theory of

    應用科斯的交易成本分析框架對一體化管理模式下的內部交易成本進行分析，按照契約過程對市場化模式下的市場交易成本進行分析，並作了相應比較；按照規模經濟的定義對電力產業的規模經濟性進行了分析，提出改進的"適者生存法"來確定電力產業的最優經濟規模，並運用縱向經濟的觀點解釋"廠網分開" ；應用可競爭性理論研究了電力產業的有效競爭方式的選擇和實現，同時借鑒stackelberg模型的動態博弈思想，構建了基於政府稅收調控的電力市場寡頭壟斷競爭模型，通過對模型的分析說明了市場結構的演化和政府管制的必要性。
  10. The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro - algae, soil ph value, soil organic matter soil available phosphorus and soil nitrogen. and then, the author put fertile soil, which included micro - algae, proportionally into sterile samples and cultivated them respectively under illumination condition ( micro - algae can live and reproduce ) and dark condition ( micro - algae will die in some time ). the above indices were measured in 0, 30, 60 and 90days respectively, the analyse of the interrelation between the change of micro - algae ' s number and the changes of soil ph value, soil organic matter, soil available phosphorus and soil nitrogen indicated : ( l ) soil micro - algae which were native to fertile soil conld adapt to the changed circumstance and light acted as a decisive role to the distribution of soil micro - algae. under dark condition, the micro - algae ' s number declined gradually and went to zero in the end, while under illumination condition, on the 90th day, the micro - algae ' s number of per gramme was 6 - 7 times more than that of the beginning

    本文首先對肥沃土壤與經高溫焚燒后的貧瘠土壤中的微藻數量、土壤ph值、有機質含量、有效磷含量和全氮量進行比較研究，然後將包含微藻的綠化苗圃地肥土按不同比例接種進入貧瘠土樣中，分別在光照條件和黑暗條件下進行培養，在0天、 30天、 60天和90天分別檢測以上指標，比較有光條件和無光條件下，即有藻條件和無藻條件下貧瘠土樣所發生的變化，並分別對微藻數量的變化與土壤ph值、有機質含量、有效磷含量和全氮量的變化之間做相關性分析，以評估肥沃土壤中的微藻接種進入貧瘠土壤后的生長情況以及對貧瘠土壤的改良作用。研究結果表明： （ 1 ）土壤微藻對環境有較強的適應能力，且光照對其分佈起了決定性的作用。
  11. The participating universities enrolled new students according to the recommendation of the principal instead of the old entrance examination, the schools, working together had enough liberty to plan respective teaching program and method. part iii will expound the achievement of the study from two respects. it have set up the system of educational aim, of curriculum, of appraising in terms of theory

    主要從兩方面分析該項實驗研究取得的成果，一是從理論上看，確立了教育目標的理論體系、新的課程理論和有效的評估理論；二是從實踐上看，與對照組相比較，實驗中學畢業生在進入大學后的表現都更優秀，並且在較大程度上改善了中學與學院和大學的關系。
  12. 3. amino acid assay found that besides the release of glu, preincubation with synaptosomes at 370c for 30 min enabled - agtx to reduce kcl induced asp, gly, gaba release from synaptosomes by 90 3 %, 94. 5 2 % and 95 1. 5 %, however ionomycin evoked release of these transmitters is not significantly affected. it is indicated - agtx has a common inhibitory effect on the release of these transmitters by a resemble mechanism

    氨基酸測定發現，與突觸體370c下共保溫30分鐘，除glu外， 18nm - agtx還可以有效抑制50mmkcl誘發的asp ， gly和gaba神經遞質的突觸前釋放，與鈣對照相比，抑製程度分別為90 3 % ， 94 . 5 2 %和95 1 . 5 % ，但對ionimycin激發的遞質釋放沒有明顯抑制作用，顯示- agtx對這些神經遞質的釋放可能存在一個相同的作用機制。
  13. Study indicated that establishing salix psammophila checkerboard can effectively keep the earths surface from coarsening, because salix psammophila checkerboard can obviously increase the fine sand and clay sand of soil surface, accounting for 15. 1 %, 18. 3 %, powder sand increased by 1. 8 times

    結果表明：設置沙柳沙障的沙丘表層細沙含量比對照樣地提高15 . 1 % 、粘粒提高18 . 3 % 、粉沙含量是對照地的1 . 8倍，說明設置沙柳沙障能夠增加沙丘表層細顆粒含量，有效控制地表粗化。
  14. The result indicated that straw mulching could increase soil porosity by 2. 88 % - 5. 76 %, reduce soil bulk density by 1. 86 % - 3. 73 % and the content of soil water with straw mulching was higher than that with no straw mulching treatment ( ck1 ) at different growth stage, improve water - stable aggregate ; and increase soil organic matter, available n, available p, available k, improve soil perviousness and soil retention of water and fertilizer

    研究結果表明，與對照ck1 ，相比，秸稈覆蓋可使土壤總孔隙度增加2 . 88 % ~ 5 . 76 % ，土壤容重降低1 . 86 % ~ 3 . 73 % ，並且各生育期覆蓋處理的土城含水量均比對照高，並且秸稈覆蓋還田對促進土壤團粒結構形成具有較大作用，改善了土坡通透性和保水保肥性；同時秸稈覆蓋還田使土壤有機質、全氮、速效氮、速效磷、速效鉀得到明顯提高，從而培肥地力。
  15. When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum

    莽草酸途徑的最優化和整體調控基因csra的敲除正是上述改變的分子基礎，同時也為三種芳香族氨基酸的基因工程菌的構建打下了基礎; 7 .在國內外首次實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達，所構建的重組質粒ptga ，其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 ， 5 、 4 、 2 . 3倍，且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換菌株大腸桿菌31884 c甲b中，搖瓶發酵證實比以往所構建的基因工程菌株具有較高的phe產量和糖轉化率率，分別為0 . 448 %和22 . 4 % 。
  16. On the basic of a great of literature reading and research on safety of side impact of the car, according to requirement of ece r95, applied madymo6. 2. 1 software, established simulation model of side impact of the car, researched the relationship between side rigidity of the car and passenger injury in side impact, which showed that during first impact the bigger side rigidity was, the more advantaged protection for the car and passenger in a definite range, and which drew a conclusion that the most serious part of passenger injury was pelvis during first impact. then detailed the substructure model by defining bodies, joints, contact types and contact characteristic, researched some improvement approach for side safety of the car, and then analyses a particular case, that was to say to fix vehicle door bar fender on between inner and outer plate of the vehicle door, analyzed the influence of passenger injury when the bar fender was fixed on different position, the result showed that the passenger injury was less when the bar fender was fixed on the height of vehicle door decorate bar. finally, a set of tests were performed, contrasting the simulation result with the test, analyzed the influence of the side rigidity of the car to passenger injury, which showed the test

    本文在對汽車的側面碰撞安全性進行大量文獻閱讀和研究的基礎上，按照歐洲ecer95側面碰撞乘員保護法規的要求，應用多剛體動力學軟體madymo6 . 2 . 1 ，建立了汽車的側面碰撞模擬模型，研究了汽車的側面剛性對乘員損傷的影響，結果表明在「一次碰撞」中，在一定范圍內汽車側面剛性越大，越有利於汽車和乘員的保護，同時得出結論，即在「一次碰撞」過程中人體損傷最嚴重的部位是骨盆;然後通過定義各剛體、鉸鏈、接觸類型以及接觸特性，對該模型進行子結構細化工作，研究了加強汽車側面安全性的若干改進措施，並進行了一個特例分析，即在此模型的車門內外板之間安裝了車門防撞桿，分析了當車門防撞桿安裝在不同位置時對乘員損傷的影響，結果表明防撞桿位於車門裝飾條的高度時，對乘員的損傷較小;最後進行了一組側面碰撞試驗，通過試驗和模擬結果的對比，分析汽車的側面剛性對乘員損傷的影響，表明試驗和模擬結果是一致的，從而證明了模擬模型的有效性以及模擬結果的正確性。
  17. Therefore, in order to narrow regional gap, boost minority regions development, china, whose market growth is in a premature stage, market mechanism is not perfect, and is in a transitional period of new and old system, must refer to developed countries " successful experiences according to the principle of scientific and reasonable, standard, fair and open, combination of unified system and inclined pol

    因此，對於市場發育程度比較低、市場機制不健全，尤其是處于新舊體制轉換時期的中國來說，為縮小地區間的差距，加快民族地區的發展，必須借鑒發達國家的成功經驗，按照科學合理、規范公正透明、統一體制與傾斜照顧相結合以及扶持與激勵相兼容的原則，進行詳細的制度設計，建立規范的對民族地區財政轉移支付制度的基本框架和保障措施，以保證宏觀經濟政策的有效性。
  18. This paper focuses on the automatic license plate locating in the recognition system. based on a thorough analysis of the present algorithms, several automatic license plate locating algorithms are proposed

    本文就是針對汽車牌照自動識別系統中的這一關鍵問題，在廣泛分析、比較已有方法的基礎上，研究更為有效的汽車牌照自動定位演算法。
  19. Conclusions as following have got through test study : ( 1 ) when impact compaction technology is applied to treat collapsible loess subgrade, the effect depth may be treated generally can not override 80 cm and impact compaction pass is optimum at 30 times. ( 2 ) for stratified impact compaction of subgrade, when compactness of each level reaches codeslstandards loose laying depth of 80 cm fits 40 impact compaction pass is the optimum combination of subgrade construction. when average compactness in each level reaches codeslstandards loose laying depth of 80 cm fits 30 impact compaction pass is the optimum combination o ( 3 ) the quality control method may request impact compaction pass as the main control index and at the same time the final division settlement is less than 10 % of total settlement as large area subgrade is constructed

    通過試驗研究主要得出如下認識：沖擊壓實技術處理濕陷性黃土地基時，其有效處理深度一般不超過80cm ，沖壓遍數以30遍左右為宜；對路基分層沖壓，在要求土體中各點壓實度均達到規范要求時，路基沖壓最佳組合為虛鋪厚度80cm 、沖壓40遍；在只要求土體平均壓實度達到規范要求時，路基沖壓最佳組合為虛鋪厚度80cm 、沖壓30遍；大面積施工時，質量控制方法可按照在以沖壓遍數作為主要控制指標的同時，要求最後10遍分計沉降量小於累計沉降量10 ；在施工單位自己購置沖擊壓實機情況下，與傳統施工相比較，沖擊壓實技術是一種既能節約資金又能大量縮短工期的施工方法。
  20. Effective contrast ratio

    有效對照比
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