m-concentration 中文意思是什麼

m-concentration 解釋
m濃度:在液體培養基內微生物的最大密度
  • m : (pl. M's, m's)1. 英語字母表第十三字母。2. M 形狀的東西;【印刷】= em. 3. M (羅馬數字) 1000. MCML = 1950.
  • 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. It has a high entrapment efficiency of 98. 3 %, particle size distributing within 5 - 7u m, viscid coefficient of 1432 centipoise. antigen was stable after multiple emulsion treated with gastric juice for 0. 5 - 6h. study on distribution in vivo of me revealed that me could stay for a long time in stomach and that antigen concentration in mesentery was increased with time and reached peak at 24h

    疫苗復乳的包封率為98 . 3 % ,粒徑主要分佈於2 ~ 10pm之間,集中於5一7pm ,粘度為1432厘泊,體內分佈實驗顯示, 6h胃中的抗原濃度仍很高,腸系膜淋巴結中的放射量24h最高,與胃液作用0 . 5 ~ 6小時復乳中的抗原不受影響,口服免疫小鼠后明顯提高了rhp疫苗的免疫應答水平。
  2. Based on modeling of the resultant time - dose - mortality data, the estimates of lc50 for the culture against the aphid species were 3. 0, 1. 7, and 1. 2 cominia / mm2 on days 5 - 7 after exposure to conidial shower ; the estimates of lt50 dropped from 4. 6 days at the concentration of 4. 5 conidia / mm2 to 3. 2 days at 26. 3 conidia / mm2. all aphid cadavers exhibited typical pandora syndrome. thus, the millet culture of p. delphacis was highly virulent to m. persicae, suggesting an applicability of the easy and convenient millet culture method to entomophthoralean fungi

    用第1 、 5及9代黍米培養物對桃蚜2一3齡若蚜分別進行30min的單劑量抱子浴接種試驗,均表現很強的侵染力,各代培養物的實際接種劑量分別為25 . 2個抱子/ mmz 、 18 . 7個抱子/ mmz和21 . 0個抱子/ mmz ,對桃蚜的lt50分別為3
  3. The results showed that extract of m. arvensis had a stronger inhibitory effect to u. virens than e. helioswpia, at 10 % of concentration, the inhibition rate to the germination of chlamdospore and conidiospore of extract of m. arvensis are all 100 %, while that of e. helioswpia were 14. 79 % and 7. 23 %

    結果表明,薄荷提取液對病菌的抑制效果較好,在10 %濃度下對厚垣孢子和分生孢子的抑制達100 % ,而澤漆提取液的抑制率分別為14 . 79 %和7 . 23 % 。
  4. As to the separation of p - xylene / m - xylene, in order to blend polymer hydrophobe with p - cd which is preferential to adsorb p - xylene, etherified p - cd was synthesized using benzyl chloride ( phch2cl ). the influences of etherification conditions on the reaction conversion and the degree of substitution of etherified p - cd were investigated. the reaction conversion increases with the increasing of molar ratio of phcr ^ cl : p - cd and the concentration of p - cd

    對于px mx體系的分離,為使對px具有優先絡合能力的一環糊精( cd )能夠與油溶性高分子共混,本文採用williamson合成法運用氯化芐( phch _ 2cl )使-環糊精( - cd )醚化,並由元素分析結果,計算出醚化產物的取代度和轉化率,系統地考察了反應條件對轉化率和取代度的影響。
  5. Firstly, this paper carries out some research about theory, introduces the basic concept, content, class and research outcome in theory of the enterprise m & a which includes the economy definition of enterprise m & a by the west scholars, the research outcome of capital concentration marx did and the research outcome of enterprise quitclaim dealing the scholars of our country did, then summarizes the conclusion and research outcome of the m & a practice which introduces the global m & a developing history mainly from america and china

    本文首先進行了理論方面的研究,介紹了企業並購的基本概念、內容、分類和理論界對企業並購的主要研究成果,其中包括西方學者對企業並購的經濟學解釋、馬克思對資本集中的研究成果以及我國學者對企業產權交易的研究成果;並且總結了並購實踐方面的研究成果和結論,其中主要從美國和中國兩個方面介紹了世界范圍的並購發展史。
  6. The results show that the indoor air is unpolluted and the main contamination is particulates with diameter of 10 m or less, total volatile organic compounds and ozone ; the pollution mostly comes from personnel, merchandise and outdoor air ; the unacceptability ratio of the indoor air quality is 22. 64 %, so the indoor air is unacceptable ; indoor persons have caught sick building syndrome ( sbs ) ; long time and low concentration pollution is an important characteristic of indoor pollution ; and the satisfied degree of indoor persons on the temperature, relative humidify, illumination and vision is very high

    結果表明,商場室內處于未污染狀況,主要污染物是可吸入顆粒物、總揮發性有機化合物和臭氧;主要污染來源於顧客、商品和室外空氣;商場內人員對室內空氣的不可接受率為22 . 64 % ,室內空氣屬于不可接受;室內人員已有病態建築綜合癥發生;長時間低濃度污染,是室內污染的重要特徵;室內人員對商場的溫度、相對濕度和室內光照度、視覺環境等滿意程度很高。
  7. In our laboratory, a unique mutation detection system using a shuttle vector plasmid has been established to demonstrate that a low concentration of mnng ( 0. 2 m ) can induce nontargeted mutation in mammalian cells : the mammalian cells were exposed to 0. 2m mnng for 2. 5h, then a shuttle plasmid pz189 carrying supf trna gene was transfected into cells after 24h culture. we found a 5 - fold higher mutation frequency of the plasmid replicated in pretreated cells than the spontaneous mutation frequency of the plasmid replicated in control cells. this kind of mutation did not occur immediately after mnng exposure

    我們實驗室曾用一特殊的突變檢測系統,直接證明dna損傷劑可在哺乳動物細胞誘發非定標性突變:首先用低濃度( 0 . 2 m )的短壽烷化劑mnng (半壽期為1 . 1hr )處理細胞2 . 5h后,繼續培養24h ,將重組有用作突變檢測的靶基因supftrna基因的穿梭質粒pz189轉入細胞復制,發現在未受致癌物直接攻擊的穿梭質粒中有較自發突變率高5倍以上的靶基因突變。
  8. Merger amp; acquisition m amp; a : the necessary way to enhance the production concentration of chinese steel industry

    提高我國鋼鐵行業生產集中度的必然選擇
  9. In xenopus embryonic extracts camp concentration and pka activity also oscillations accompany with the cell cycle, low in mitosis and increased during m / g1 transition, keep high until next mitosis, and the mechanism concern with the cdc25 phosphorylation state and cyclin b concentration. mouse fertilized egg is the most simple and natural model for cell cycle that near to human, but little is know about pka on mpf also pka on mitosis

    通過對非洲爪贍胚胎細胞周期的研究發現jka活性也隨細胞周期變化而波動,在m期出現時pka活性下降,而m間期轉換時pka活性達最大值,一直維持高值直到下一個m期出現,其對mpf活性調節與cdc25磷酸化狀態及周期素b表達有關。
  10. The height of media 、 the ratio of gas to liquid 、 hydraulic loading 、 the organic and ammonia loading of influent are the key factors influence the performance of one - stage aerobic baf. the conclusions of the experiment are as following : the best height to remove the organic matter and ammonia is at 60cm 、 120cm from the influent side respectively. the best ratio of gas to liquid is 3 : 1 4 : 1 ; the organic and ammonia loading of influent have litlle influence on the performance of one - stage aerobic baf when the concentration are low ; whe the ratio of gas to liquid is 3 : 1, the ammonia loading is blow 0. 87kgnh _ 4 ~ + - n / m ~ 3. d, the enfluent concentration of ammonia is blow 5mg / l which satisfies the water reuse standard ; at different organic loadings, the removal of organic matter keeps 35 % 45 %. hypothermia is unfavourable to nitrification for one - stage aerobic baf to removel ammonia, the influent concentration of ammonia can ’ t satisfy the water reuse standard

    試驗表明:對有機物的去除主要發生在進水端60cm內,對氨氮的去除主要發生在進水端120cm內;曝氣生物濾池運行的最佳氣水比為3 : 1 4 : 1 ;在進水有機物和氨氮濃度比較小時,水力負荷對其去除率影響不大;在氣水比為3 : 1 ,進水氨氮負荷小於0 . 87kgnh4 + - n / m3 (濾料) ? d時,出水氨氮小於5mg / l ,滿足回用水的要求;在不同有機負荷下,有機物去除率保持在35 % 45 % 。
  11. Putting the potassium permanganate into the filter can improve its effect, the removal of organics and ammonia is increased, the influent concentration can satisfy the water reuse standard. but the turbidity of influent is unsatisfactory. the c / n ratio is the key factor to influence the nitrogen - removal of the anoxic / aerobic two - stage baf when the reflux ratio 、 hydraulic loading and the ratio of gas to liquid in aerobic filter are fixed. the anoxic / aerobic two - stage baf has a good removal of organics at different c / n ratio when the reflux ratio is 2, hydraulic loading is 2. 55m ~ 3 / m ~ 2 ? h and the ratio of gas to liquid in aerobic filter is 3 : 1. the influent concentration of organics is blow 7mg / l. from the beginning to 30cm of the anoxic filter, the removal of the organics is significant ; as the c / n ratio increasing, the influent concentration of ammonia is decreasing. when the c / n ratio is 3. 60, the enfluent concentration of ammonia is 3. 05mg / l which satisfies the water reuse standard. when the c / n ration is less than 3. 60, because of the imperfection

    迴流比為2 : 1 ,水力負荷為2 . 55m3 / m2 ? h ,好氧柱氣水比為3 : 1時試驗表明:不同的c / n ( 1 . 05 7 . 45 )下,兩級曝氣生物濾池對有機物有很好的去除作用,出水有機物濃度小於7mg / l ,其中在缺氧柱進水端30cm內對有機物的去除最為明顯;隨著c / n的增加,系統出水氨氮濃度降低,當c / n為3 . 60時,出水氨氮濃度降到3 . 05mg / l ,已經滿足回用水的氨氮標準; c / n < 3 . 60時,因為缺氧柱的不完全反硝化,體系中硝酸鹽氮和亞硝酸鹽氮發生積累影響了好氧柱的硝化反應使氨氮降解效果較差;系統對總氮的去除隨著c / n的增加而增加,當c / n為3 . 60時,出水總氮已經降到11 . 18mg / l ,滿足回用水的要求。
  12. Based on the requirement of the device, we grow the films of silicon of high quality. the thickness of the epilayer is from 0. 4 u m tol p m, the doping concentration can be controlled conveniently

    然後,根據器件的要求,利用uhv cvd技術,生長出優質薄硅外延片,其厚度在0 . 4 m 1 m ,摻雜濃度可任意調節,晶體質量良好。
  13. The mpgcfs observed by sem have such characteristics as the concentration of the deposited metal varied gradiently across the section of the film. one side is deposited phase, which is mainly composed of predominant metal and minal polymer ; and the other is undeposited phase, which is polymer matrix and hardly contains m etal ; and between the two side is the transition phase, where the polymer and metal interpenetrated

    結果通過掃描電鏡發現,合成的mpgcf具有以下的特徵:金屬相在膜的厚度方向上呈梯度分佈,膜的一側為緻密的金屬,另一側為不含金屬的聚合物基體,兩側的中間為聚合物和金屬互相貫穿的過渡層。
  14. Moreover, we observed the concentration profiles of the ion - implanted samples and the diffused samples by c - v method, and discovered that the carrier concentration decreased with increasing of the diffusion depth. whereas, the peak concentration of the ion - implanted samples located at 0. 248151 u m beneath the surface and the peak concentration of the diffused samples located at the surface. furthermore, the carrier concentration of mnas source diffused sample as high as 102 % m3can be obtained, and the surface was much smoother compared with that of the pure mn source diffused sample

    發現兩種摻雜方法的載流子濃度大體上都是隨著擴散深度的增加而下降,不同的是離子注入樣品的載流子最高濃度處于離表面深度0 . 248151 m處,而擴散樣品的載流子最高濃度處于表面,並摻錳( mn )砷化鋅( gaas )材料性質的研究且還發現相對于純mn源擴散樣品來說, mnas源擴散樣品的表面較為光滑,且表面載流子濃度高達1020 cm 』數量級。
  15. Based on this theory, m e porter put forward three basic competition strategies in his " competitive strategy " published in 1980 : low - cost leader strategy, product difference strategy and emphatic concentration strategy

    據此,邁克爾?波特在其1980年出版的《競爭戰略》一書中提出了三種基本競爭戰略,即成本領先戰略,差別化戰略和重點集中戰略。
  16. As annealing temperature is 400, the phase of fexsy is greigite ( fe3s4 ) the fexsy particles cover the porous film of tio2. the average size of fexsy particles range from 5000nm to 20nm as the concentration of the starting solution decreasing. after five times of coating - annealing process, fexsy particles form aggregate in size of 10 m

    鐵硫化合物顆粒覆蓋在多孔tio _ 2基底上,顆粒尺寸隨著初始溶液濃度減小從幾個微米減小到十幾個納米,隨著塗膜厚度、退火時間增加,鐵硫化合物的形貌按顆粒狀島狀層狀變化。
  17. The results of changes in resistant and toxicological effects under cu2 + stress are as follows : 1. ranging from 10 - 2m to 10 - 5m, cu2 + presented inhibitory effect on the growth of m. aeruginosa, moreover, the greater the concentration of cu2 +, the more intensive the inhibitory effect on the growth of m. aeruginosa

    銅綠微囊藻生長適宜的溫度范圍為: 28 33 ,而最適溫度大約為30 。 cu ~ ( 2 + )脅迫下銅綠微囊藻抗性及毒性的變化1
  18. We consider that the complexes of bmon ( m, n > 1 ) or the point defects induced by heavily boron doping may be involved in the nucleation of oxygen precipitates at high temperature range of crystal cooling. therefore it is reasonably deduced that the density of voids in hb cz silicon increases and the size of voids decreases due to the reduction of vacancy concentration as a result of heavy boron - doping enhanced oxygen precipitation prior to the void formation

    在實驗事實的基礎上,我們認為在重摻硼硅單晶生長過程中, bmon ( m , n 1 )復合體或摻b引起的點缺陷能在晶體冷卻過程中的較高溫度階段形成,且在隨后的退火過程中能穩定存在,作為氧沉澱形核的核心,從而促進了氧沉澱,減小了大直徑硅單晶中void缺陷的尺寸,增加其密度。
  19. Electrochemistry c - v method was employed to measure the carrier concentration profile distribution of samples, discovered that the carrier concentration decreased with increasing of the diffusion depth, and the peak of concentration located at 0. 25 m beneath the surface

    利用電化學c - v法對樣品的載流子濃度的縱向分佈進行了研究,發現在距離樣品表面0 . 25 m處載流子濃度達到最大。
  20. 3 antimicrobiol substance and protein in the hemolymph of nymphae induced by m. anisopliae no antimicrobiol substance was detected in the hemolymph of nymphae by different kinds of micropathogens after injection with m. anisopliae, which meant that the fungus could not induce p. americanna to produce antimicrobiol substance. injection of fungal spores caused the decline of protein concentration ( pc ) at the begaining, but after that the pc increased rapidly

    3綠僵菌孢子對蜚蠊血淋巴中抗菌物質及蛋白質的誘導注射綠僵菌后的不同時期提取蜚蠊血淋巴,以多種不同類型的植物病原菌、昆蟲病原菌及腐生菌作為檢測菌,均未檢測出蜚蠊血淋巴中有抗菌物質存在,即綠僵菌不能誘導蜚蠊產生抗菌物質。
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