activity concentration 中文意思是什麼

activity concentration 解釋
放射性活度濃度
  • activity : n. 1. 活動；活躍；動作；活動力；能動性。2. 活性；放射性。3. 機能，功能。4. 〈美國〉機構。5. 〈pl. 〉 活動范圍。
  • 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. 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. Study of " ph memory " and activity water ( aw ) in processing of immobilization indicates that former factor has much effect on transformation and the latter just has little effect. permeabilization treating of baker ' s cell with alcohol and ultrasonic leads to lower transformation rate, which illustrates that permeabilization procedure has negative role on biotransformation with whole cell as biocatalyst in organic solvent. in simple dynamics research amount of biocatalysu concentration of substrate and reaction course are considered and all of them have remarkable effect on transformation

    Ph記憶、水活度及通透性處理的實驗結果表明， ph記憶對轉化有明顯的影響，水活度對模型反應的影響不大；作為完整細胞生物催化，細胞的通透性可能是傳質阻力的重要組成部分，利用不同濃度的乙醇和超聲波對細胞進行處理，結果表明，在有機相完整細胞生物催化中，通透性處理對轉化產生的是負面影響。
  5. On cytomembrane ; resolved the precipitation in buffer d ( contained triton x - 100 ) shattered by ultrasound, 4 vibrated for 60min, centrifuged at 45000g for 1 hour, took the supernatent to mesure protein concentration and then mesure the pkc activity

    目前，在鉛的神經毒性研究過程中，鉛對pkc的作用引起人們極大關注。這是因為鉛比鈣對pkc有更高的親和力。現已知， ph卜可以取代caz 」激活蛋白激酶c 。
  6. The activity of pkc on cytomembrane in mice brain showed ; 1 ) the value of pkc activity was lower than that of cytoplasma, 2 ) the activity of each group reached the peak at p22, 3 ) the value of pkc activity varied with lead concentration, especially for the 9. 6mmol / l group

    2 ）鉛暴露小鼠腦細胞膜pkc活性總體上比胞漿低， pkc活性高峰時段在p22左右，胞膜pkc活性隨鉛濃度的升高而升高。其中9 6nunoul組升高最為明顯。
  7. Blood contains diffusible factors that could leak out of vessels to affect neural activity, and changes to blood volume could affect the concentration of these factors

    血容量的改變能夠影響血液中的一些可擴散因子濃度，而這些因子能從血管中滲出而影響神經活性。
  8. The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury

    研究內容主要有：廣州市河涌沉積物及底棲生物體內重金屬含量及評價；汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價；汞對劍尾魚鰓和肝臟中抗氧化系統的毒性，包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用；汞對劍尾魚組織生理毒性即：汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。
  9. At the concentration of 0. 05mol / l naoh or 0. 025mol / l hc1, the agglutinating activity of xhl was decreased ; at the concentration of o. lmol / l naoh or hc1, its agglutinating activity was completely destroyed. xhl ' s activity was inhibited by inulin and xylose inhibit its agglutinating activity was stable between 10 to 40

    鹿角炭角菌凝集素的生化性質分析，從0 . 05mol / lnaoh和0 . 05mol / lhcl開始，其活性受到抑制；菊糖和木糖抑制其凝集活性： 45以上其活性受到抑制。
  10. Effect of co2 concentration and photosynthetic photo flux density on photoautotrophic capability and peroxidase activity of ipomoea batatas lam in vitro

    2濃度和光合光量子通量密度對葉用甘薯組培苗光合自養和過氧化物酶活力的影響
  11. The oxide and reduce potential and the dopant concentration. the experiments of degradation methyl blue a1so showed that the photocatalytic activity could be greatly improved with vzos - loaded tio2, maybe that loading v2o5 would accelerate the electron captured and charge transferring, change the samp1e surface hydrophilic and absorption

    納米tio _ 2 - v _ 2o _ 5復合光催化劑對次甲基藍的降解實驗表明，復合v _ 2o _ 5后tio _ 2可以加速電子捕獲和電荷遷移速率，改變了樣品表面吸附親合力，使降解效率相比純tio _ 2有很大提高。
  12. In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species

    為了改善鉑基催化劑氧化甲醇的催化活性，本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極，通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現，磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應，而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。
  13. This exceptional concentration of rock carvings from the upper palaeolithic ( 22, 00010, 000 b. c. ) is the most outstanding example of early human artistic activity in this form anywhere in the world

    科阿峽谷擁有大量屬于晚舊石器時代（約公元前22 ， 000年至公元前10 ， 000年）的巖石雕刻，這種如此集中表現早期人類藝術活動的樣例在全世界來說也是絕無僅有的。
  14. A physical model of electrically induced optical activity of electrorheological fluids is derived. a set of electrorheological fluids and microemulsion with different concentration are prepared and their electrically induced optical activity are measured by means of an automatic polarimeter. on this foundation, the following results have been completed

    建立了電場誘導電流變液旋光的唯象物理模型，並應用wzz - 2a型自動旋光儀對不同材料的電流變液和微乳液的旋光效應進行了測量。
  15. 8. after fumigation for 3h in diverse concentration so2, the cat activity of resistant plant and sensitive plant is obviously less than the check group, and the rate of cat decrease rises with the rise of so2 concentration. the cat activity of resistant plant is comparatively stronger than sensitive plant ' s

    8 .不同濃度的50 :熏氣3h后，抗性和敏感植物體內的cat活性均明顯低於對照，而且隨50 :濃度的增大cat降低的比率也隨之增大，濃度越大，差別越顯著，而且抗性植物體內的cat酶活性相對高於敏感植物。
  16. Nuclear energy. measurement of environmental radioactivity - air. determination by liquid scintillation of the activity concentration of atmospheric tritium sampled by the sparging technique air through water

    核能.環境放射性空氣的測量.利用噴射技術取樣的大氣氚的活度濃縮的液體閃爍的測定
  17. Sds - page results showed that there was a clear target protein band in mut + recombinant supernatant after 48 hours of culturing, while a faint band only in muts recombinant after 72 hours. western - blotting result showed that there was no remarkable difference of yield between mut + and muts recombinants after 6 days induced. anti - virus activity tests revealed that culture supernatants of mut + and muts recombinants could inhibit tmv infection with high efficiency in the same concentration and there was no significant difference between them

    結果表明，誘導培養48小時后， mut ~ +重組菌株表達產物在sds - page膠上顯現出清晰的目的蛋白帶，而mut ~ s重組菌株培養72小時才能顯示微弱的目的帶； western - blotting雜交信號強度表明，同樣培養6天的mut ~ +和mut ~ s重組菌株表達產物在表達量上沒有明顯差別。
  18. The biological functions testified include : enhance iron ion assimilation of epithelial cell of intestine and equilibrate body iron concentration ; broad spectrum of antiviral activity, antibacterial activity and antifungal activity ; modulate marrow cell production and growth ; help to mature and regulate a number of immune cells throughout the body, thus boost body immune ability ; prevents " free iron " from forming free - radicals ; supress tumour growth and prevent tumour formation in animal models

    乳鐵蛋白是一種糖蛋白，為轉鐵蛋白家族的一員，在人和哺乳動物的許多器官與組織中廣泛分佈。乳鐵蛋白具有多種生物學功能，這些功能包括：促進人體腸道對鐵的吸收及調節體內鐵的平衡；廣譜抗菌（細菌和真菌） 、抗病毒感染作用等。
  19. The results showed : ( 1 ) the activity concentration of 95zr in water reduced quickly for subsidence, soil absorption, crucian intake, hornwort ' s absorption and adsorption. the dynamics of its disappearance accorded with binomial index regression law : cw. = 43. 36e - 1. 74t ' + 12. 85e - 0. 15 ( 2 ) the hornwort had stro

    結果表明: （ l ）從水體中引入的95zr由於沉降、土壤吸附、被魚體攝入和金魚藻的吸收、吸附作用使水體中的gszr比活度呈快速下降，其消失動態符合二項指數衰減規律， cw = 43 . 36e . ， . 74t + 12 . 85e一住『 」 。
  20. Nuclear energy - measurment of environnemental radioactivity - air - determination of the activity concentration for atmospheric deposits on the soil

    核能.環境放射性的測量.空氣.土壤中大氣性沉澱物放射性活度濃度的測定
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