比活性 的英文怎麼說

中文拼音 [bǐhuóxìng]
比活性 英文
iecific activity
  • 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...
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 活性 : [化學] activity; active; activated活性肥料 active fertilizer; 活性酵母 active dry yeast; 活性粘土...
  1. The greatest activity could be obtained on the condition of 8 % salt concentration, 1 : 20 ratio of abomasums and butter, 30w / cm2 supersonic strength and 40min extraction time

    在食鹽濃度8 ，皺胃與提取液比例1 ： 15時，用30w cm2超聲強度提取40min ，可獲得最大的凝乳活性。
  2. As the kid chymosin was extracted by the traditional way and the buffering way at different ph values, its activity mainly depended on the salt concentration, extraction time and temperature, the ratio of buffer and abomasums and extraction times

    用傳統方法和不同ph緩沖液方法提取羔羊凝乳酶時，食鹽濃度、提取時間、提取溫度、提取液與皺胃比例、提取次數對凝乳活性有重要的影響。
  3. With the increasing salt concentration, milk - clotting activity became higher and higher, then reached its peak, and then decreased gradually ; in the early extraction, the speed was quick, the milk - clotting activity was increased obviously. after it amounted to the maximum, the activity became steadily lower steadily ; the increasing temperature in extracting could improve the extraction activity, but too high temperature could result in the denaturation and inactivation ; the greater the ratio of abomasums and butter and was, the quicker speed was when the enzymes was drawn out, and after extracting for twice, most of the enzymes in the abomasums could be drawn out

    隨著食鹽濃度增大，凝乳活性逐漸提高，當達到一定濃度后，凝乳活性又逐漸降低；在提取初期，提取速度較快，凝乳活性明顯提高，當提取達到最大值后，凝乳活性又逐漸下降；隨著提取溫度的升高，凝乳活性逐漸增大，但溫度過高時，會導致酶變性失活；隨著提取液與皺胃比例的增大，酶溶出速度加快，提取次數越多，皺胃中酶提取越充分，提取2次后，皺胃中絕大部分酶被提出。
  4. While the fruits ripening process was delayed in leetrl antisense fruits. epinastic of leaves in leetrl antisense plants was only occasionally observed, which was not observed in leetr2 antisense plants ; ( 5 ) when treated by exogenous ethylene ( 25ul / l ), the abscission of antisense leetr2 petiole explants was delayed. moreover, leaf epinasty failed to be induced by ethylene treatment c, which suggested that these tissues were insensitive to ethylene

    （ 5 ）植株衰老和葉片脫落延遲，花瓣脫落也明顯的延遲，在轉反義leetr1基因番茄的果實成熟特性被明顯改變，表現在乙烯釋放高峰延遲，果實顏色出現變異，以及和成熟相關的酶活性的改變，然而，轉反義leetr2基因的果實的成熟特性與對照相比無明顯差別。
  5. One of the most common bone substitutes used in clinic is polymethylmethy aery late ( pmma ). pmma can be described as an alloplastic, synthetic, nonbiodegradable polymer which has considerable versatility. however, a common problem associated with the application of pmma is the loosening

    以有機玻璃作為母相，摻入一定比例的羥基磷灰石（ ha ）粉末，是一種較為有效的改善生物活性的方法，因為羥基磷灰石是人體硬組織的一種無機組分，與骨組織有良好的相容性和親和力，能誘導其周圍骨組織的生長。
  6. Aldosterone - to - renin ratio threshold for screening primary aldosteronism in chinese hypertensive patients

    腎素活性比值標準的探討
  7. The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss

    將缺失型pap基因克隆到植物表達載體pbi121中，通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中，然後採用葉盤法，在該農桿菌的介導下將pap基因導入普通煙草中，經過卡那黴素抗性篩選，最後獲得了轉pap基因的工程煙草植株，摩擦接種煙草花葉病毒（ tmv ） ，與非轉基因煙草相比，能夠推遲癥狀表現達2月之久，說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。
  8. Elevated [ co2 ] treatment resulted in the larger accumulation of carbohydrate ( soluble sugar and starch ) in leaves of anthurium andraeanum lind during short - term experiment, but the difference of three treatment groups is no striking during long - term experiment. chlorophyll content, chlorophyll a / chlorophyll b ratio in leaves increased, while soluble protein decreased in elevated [ co2 ] during experiments. elevated [ co2 ] led to the increase of rubp carboxylase activity and the decline of glycolic acid oxidase activity during short - term experiment, but the rubp carboxylase activity decreased after 60 d, the glycolic acid oxidase activity increased after 90 d

    高濃度co _ 2處理的紅掌，葉片中的葉綠素含量增加，葉綠素a葉綠素b升高，但可溶性蛋白含量下降，並且隨著處理時間的延長，可溶性蛋白含量的下降更為明顯，處理150d時， t1 、 t2的可溶性蛋白含量與ck相比分別下降了36 . 7 、 28 . 2 ；高濃度co :處理的前30d ，高濃度c02抑制了go活性， rubpc活性升高:處理以記時，高濃度coz處理組的rubpc活性降低， go活性仍然低於對照;處理以月後，高濃度co :處理組的rubpc活性低於對照，其中t2的rubpc活性顯著下降，而go活性升高。
  9. The air flotation method of wax recovery commonly used in the actual mechanized wax printing mills was compared with the methods we used in our labs, such as hot water dewaxing, org. solvent extn., aq. surfactant recovery and dry dewaxing

    摘要將目前機械化蠟染廠採用的氣浮回收蠟和我們實驗室使用的熱水脫蠟法、有機溶劑萃取回收法、水基表面活性劑乳液回收法及干法除蠟等方法比較，結果表明：熱水脫蠟法是最適合機械化蠟染廠進行蠟的回收。
  10. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。
  11. When complemented with fe protein, the nifb mofe protein had hardly any ft - reducing activity, but could be significantly reactivated by femoco extracted from op mofe protein to a high proton - reducing activity, which was very close to the highest value of c2h2 - reducing activity report ed previously in other laboratorys

    此粗提物可為用nmf抽提的opmofe蛋白的femoco激活，所得fe蛋白具有與opfe蛋白相似的互補活性，可使opmofe的比活性達到2192nmolc _ 2h _ 2 min mg蛋白。
  12. Raised the idea of constructing hybrid capacitor with a battery based positive electrode and a capacitor based negative electrode, experiment proved that a hybrid supercapacitor with a manganese dioxide based positive electrode and an activated carbon based negative electrode showed very good performance, double electrode specific capacitance could be enhanced to 95. 7f / g, that is 2 ~ 3 times that of the carbon based supercapacitors. furthermore, the maximal voltage of a single cell could be expanded to 1. 5v, as a result, the energy density could be ten times higher than that of a carbon based supercapacitors

    本論文中我們提出了將電池哈爾濱工程大學碩士學位論文的正極與電容器的負極結合成混合超級電容器的構想，並成功實現了二氧化錳正極和活性炭負極的組合，構成的錳碳混合超級電容器雙電極比容量可達到95 . 7f / g ，比活性炭超級電容器提高了2一3倍，單體工作電壓可以高達1 . 5v ，從而使能量密度提高到碳基超級電容器的十倍。
  13. The most often used units of specific activity(abbreviated sp. act. ) are curies/mole.

    最常用的比活性（符號是SpAct）單位是居里克分子。
  14. The most often used units of specific activity ( abbreviated sp. act. ) are curies / mole

    最常用的比活性（符號是sp act ）單位是居里克分子。
  15. 5 mmol / l and 2. 4 mmol / l group reached the peak at p30. after p15, the activity of pkc increased when treated with low concentration of lead but decreased with high concentration of lead

    4mmoul鉛暴露組的pkc比活性在至p22則不但未見降低，反而繼續升高m2至ppo又繼續升高，成為最高點。
  16. However, depending on the differences among e. coli strains, and the procedures used to extract and purify endotoxin that serves as standard for these measurements, some differences might occur in the specific activity

    然而，依靠大腸桿菌張力的不同，用這些測量法的標準，過程中曾經析取和凈化內毒素，一些不同的力量存在比活性。
  17. There are two egfr signaling pathways, one is the classical ras / raf / mek / mapk pathway and the other is pi - 3 - k / pkb pathway. in this part, the phosphorylation and / or activity of some key molecules in these two signaling pathways in differently transfected h7721 cells were investigated. by means of specific antibodies combined with weste

    Egf刺激后不同轉染細胞中的pkb活性、 p42 / 44mapk和mek磷酸化都明顯增加，其中gntv一s / h7721細胞pkb比活性、 p42 / 44mapk和mek磷酸化程度較mock細胞增加明顯，而gntv一as / h7721細胞中上述指標的增加程度則不及mock細胞。
  18. Results ( 1 ) effect of different concentration of lead on the activity of pkc for the control, the activity of pkc increased gradually at the early devel - opping stage and rose sharply on the 15th day, reached the peak, then decreased on the 22nd day and increased shortly until the 30th day with the activity almost turned back to the level at birth or even lower. compared with the control, groups treated with different concentration of lead showed a graph of different cytoplasmic activity of pkc. most of the groups reached the peak at p15, but the 0

    L ）鉛暴露小鼠腦胞漿pkc活性與正常組相比可見一定的差異，多數組第15日問）為最高峰，低濃度染鉛組在某些時段中pkc比活性高於正常組，而隨著鉛濃度的升高，這些時段的pkc活性逐漸降低，較高鉛濃度組酶活性均低於正常組； inunovl汐）組的p22以後，比活性迅速升高，至p30時比對照組高出很多。
  19. The activities of sod in the roots of brassica chinensis l treated with ph4. 5 or ph 3. 5 solutions increased faster than those treated with ph5. 6. but with increasing in concentrations of zn or cd, the activities of sod decreased. the activities of sod in the leaves of brassica chinensis l treated with ph4. 5 had changed only a little, but had changed more when treated with ph3. 5

    Ar1 ， ar2的酸雨下，小白菜根系sod比活性在低濃度zn 、 cd條件下，比ar0 （ ph5 . 6 ）的酸雨下高，但隨著zn 、 cd濃度的增加， sod比活性下降； ar1的酸雨下，小白菜葉中sod比活性與ar0的酸雨下相比變化不大，而ar2的酸雨下， sod比活性明顯比ar0的酸雨下小。
  20. It indicated that the color removal of new organobentintes are much higher than that of inorgnganic bentonite, the color removal of the organobentonite prapared by a certain proportion of quaternary ammonium salt and caprolactam is the best, 96. 06 %, it is 11. 86 % higher than that of actived carbon

    結果表明，各類新型有機膨潤土對印染廢水的脫色率均遠遠高於無機膨潤土的脫色率，季銨鹽/己內酰胺復合插層有機膨潤土的脫色率最高，達96 . 06 ，比活性炭的脫色率高11 . 86 。
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