最高轉化率 的英文怎麼說

中文拼音 [zuìgāozhuǎnhuàlǜ]
最高轉化率 英文
maximum conversion
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 轉 : 轉構詞成分。
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 轉化 : 1. （轉變） change; transform 2. [化學] inversion; conversion
  1. At 100 to 150, both the toughness and the molecular weight decreased during the process of amination, but the transformation ratio of the amination reaction increased rapidly ; above 150, both the toughness and the molecular weight increased and transformation ratio of the amination slightly increased, and reached completely amination

    亞胺化過程中，當溫度從100升至150時，不同熱處理階段薄膜的韌性和分子量均下降，亞胺化反應轉化率上升較快； 150后，其韌性和分子量均升高，亞胺化反應轉化率上升趨于緩慢，最終達到完全亞胺化。
  2. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例長孔式混合器控制空燃比；通過提高壓縮比來彌補動力性的損失；以動力性為主控目標，對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節；通過空燃比的合理控制，直接改善發動機的動力性、經濟和排放指標；作為對缸內燃燒過程的理論分析，進行了燃燒特性的實驗測試；對原汽油機和新開發的液化石油氣發動機，進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。
  3. In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer

    試驗分析認為，氣液混輸工況下，提高泵轉速可以提高增壓，在一定程度上能改善多相泵的工作性能；含氣率一定時，增加進口壓力，可使多相泵增壓值增大，泵效明顯增加，最大含氣率點后移，但含氣率很高時，存在氣液壓力相匹配問題；改進緩沖罐和均化器的設計，有利於氣液互相夾帶，避免氣囊產生，可改善多相泵的輸送性能。
  4. One is financing, which means the funds is from owner to user, saving is converted into investing, and social and idle funds is transferred to producing. it could make it possible for enterprise ' s production and extend reproduction to become into a reality and develop economy. another function is allocation of resources, which guides the funds from the section of the low benefit to the high benefit to realize efficient allocation

    證券市場最基本的功能有：一是籌資功能，即使資金從資金擁有者手中流向資金使用者，使儲蓄轉化為投資，實現社會閑置資金向生產領域的轉移，為企業的生產和擴大再生產創造條件，促進社會經濟的不斷增長；二是資源配置功能，即引導資金有效地由低效益的部門向高效益的部門流動，從而優化資源或生產要素的配置或提高其配置效率，即實現帕累托效率。
  5. ( 8 ) by studying match between the electronic system and catalytic converter on the base of electronic controlled bypassing air system, conclusions having been gotten as follows : higher conversion efficiency of emission have gotten when a / f fluctuates at definite scope and frequency, by controlling the comparing voltage of 02 sensor, the working scope of catalytic converter can be controlled and the matching that can fulfill the high efficiency of hc, co, nox at same time has been optimized

    （ 8 ）進行基於所開發的電控補氣系統上的催化器與電控系統的匹配研究，當控制系統調節空燃比在一定范圍按照一定頻率進行波動時，可以提高催化轉化器的轉化效率；通過控制氧傳感器的比較電壓，可以控制催化轉化器的工作窗口，實現排放污染物中， hc 、 co 、 nox轉化的最優匹配。
  6. Important features of mitex rollers include : long service life and cost efficiency ; high chemical resistance ; extreme high operating temperatures ; best running properties at high speed ; dynamic endurance ; excellent wear and cut resistance ; minimal hardening and glazing ; excellent coating and transfer characteristics ; and adjustable electrical properties

    Mitex輥產品優點：在高速度下保持優異性能；使用壽命長，效率高；抗化學腐蝕；超耐高溫；耐磨；最低限度的硬化和磨光；優異的塗布和轉移性能；精確的電導率。
  7. It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends

    結果表明: e10混合燃料與柴油的著火滯燃期隨負荷和轉速的變化趨勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比，略有改善; e30混合燃料的燃燒特性發生明顯的變化，最高爆發壓力下降，最大壓力升高率減小，最大燃燒放熱率增大，最高燃燒溫度下降，滯燃期延長。
  8. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  9. 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 % 。
  10. 552333x52 the most optimized media is decided, that is glucose 26g / l, mgsoa 0. 3g / l, nacl 2. 8g / l, yeast extraction 8g / l, peptide 15g / l, kjhbpo4 0. 3g / l. study of correlation between culturing time and transformation rate reflects that 30 hours is needed

    探討了不同活化時間對模型反應的影響，結果表明，將生物催化劑培養30小時，進行有機相中轉化可以得到最高的轉化率。
  11. Abstract : techniques of apple genetic transformation can improve apple trees and shorten the breeding cycle by molecular methods. in the last years, great progress has been made in this field, which involves a number of important apple genotypes developed. so far, apple genetic ransformation mainly adopts agrobacterium - mediated technique, involving infection and transgenic tissue regeneration, which are important steps to affect the transformation efficiency. the initial work to the date is to know and to search for the factors which can increase the efficiency

    摘要蘋果的遺傳轉化技術通過分子手段改良蘋果，有助於縮短其育種周期.最近十年，在該領域的研究取得很大進展，涉及到一些重要的蘋果基因型及有用的外源基因.迄今，蘋果的遺傳轉化主要採用農桿菌介導法，侵染與轉化材料的再生是影響其轉化效率的關鍵過程，了解其影響因素，尋找有利因素以提高轉化效率是目前蘋果遺傳轉化研究的重點。
  12. Investigations on a lean burn engine show that nox can be removed by using hc and co in the exhaust gas as reducing agents. when the catalyst is used, the rate of nox conversion can reach a maximum of 74. 4 % at 400

    稀燃發動機臺架實驗結果表明，催化劑抗硫中毒、抗高溫以及抗水蒸氣能力較強；最大nox轉化效率達74 . 4 % ；最大nox轉化率排氣溫度點在400附近。
  13. It was found that polymerization rate was increased with the increased dosage of initiator or surfactant ; particle size of miniemulsion was kept relatively stable during polymerization when an initiator of lower solubility was used ; an increase in dosage of dpr reduced polymerization rate, but showed no significant impact on the final monomer conversion

    實驗結果表明：引發劑或乳化劑的用量增加可以提高單體的轉化速率；引發劑水溶性的降低可以更好地控制聚合過程中的粒徑變化；歧化松香含量的增加降低了聚合速率，但對單體的最終轉化率影響不大。
  14. The optimized parameters of high - frequency in bacillus thuringiensis plasmid - free mutant bmb171 by electroporation was studied. it showed that a highest electro - transformation frequency could be obtained, when sg solution was used as the buffer, and a 10. 0 kv / cm of field strength, one time of pulse as well as a growth phase of recipient cells at the exponential phase ( od650nm value was 0. 2 - 0. 3 ) were selected

    對用電脈沖法轉化蘇雲金芽胞桿菌受體菌bmb171優化條件的研究結果表明，採用sg溶液作電脈沖緩沖液，用10 . 0kv cm的脈沖場強和1次電脈沖（ 4 . 6ms ） ，以及採用對數前期（ od _ （ 650 ）約0 . 2 0 . 3 ）收獲的受體菌，可以達到最高轉化頻率。
  15. The stem sections were better receptors for torenia fournier transformation

    在本實驗中最高轉化率為24 . 1 。
  16. The highest of transformants could reach 107 with per ng dna in bmb171

    78 11等3種常用受體菌相應最高轉化頻率的2 ~ 3500倍。
  17. It was found that 120mmol / l as, 0. 1 % tween20 and 1min x 10 of negative pressure had optimum effect on increasing the green bud efficiency. 6. using the optimized transformation system, a plant expression vector pig121 was introduced into sweet cherry

    85 ，是該轉化體系的較好篩選方式c5 、實驗研究了as 、 tween20和負壓等回素對轉化效率的影響，表明as可明顯提高轉化效率，其最適濃度為120fnmoll ； t 、 cen20和負壓處理也能提高轉化頻率，了、 een20的適宜濃度是0
  18. There are many factors that affect methanol synthesis, among which temperature and pressure have the greatest effect on the increase in co and co2 conversion

    摘要影響甲醇合成的因素很多，其中溫度和壓力對提高co 、 co2轉化率影響最大。
  19. Using calli as explants, the transformation frequency could be greatly improved. using low ph medium ms to activate agrobacterium, and when its concentration is about od0. 3 ~ 0. 7, are the best conditions for inoculation

    Zing l活化農桿菌可提高轉化效率； as可顯著提高轉化效率，其濃度以20t時效果最好；菌液濃度對轉化效率也有影響，以od 。
  20. Acetosyringone ( as ) could dramatically improve transformation frequency, its suitable concentration is 20 mg. l " 1. before inoculated with agrobacterium, calli should be precultured 1 ? days, and the appropriate inoculation time is 4 ~ 8 minutes, and then cocultured for 3 ~ 4days. then the cocultured calli were transferred to ms medium containing 400 mg. l " 1 cef

    7為宜；侵染前預培養1 2天，可顯著提高轉化效率；侵染時間以4 8分鐘為宜；共培養時間3 4天較適合；轉化后暗培養對轉化效率沒有影響；選擇方法以延遲選擇15天選擇轉化率最高。
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