生物最低溫度 的英文怎麼說

中文拼音 [shēngwùzuìdīwēndù]
生物最低溫度 英文
biological minima temperature
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 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
  • 溫 : Ⅰ形容詞（不冷不熱） warm; lukewarm; hot; gentle; mild Ⅱ名詞1 （溫度） temperature 2 （瘟） acute ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 生物 : living things; living beings; organisms; bios （pl bioi bioses）; biont; thing; life生物材料 biol...
  • 溫度 : [物理學] temperature
  1. This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows ： ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system

    在介紹國內外最新研究進展的基礎上，重點討論高放廢物地質處置的若干關鍵科學問題：處置庫場址地質演化的精確預測、深部地質環境特徵、多場耦合條件下（中（高）溫、地殼應力、水力作用、化學作用、生物作用和輻射作用等）深部巖體、地下水和工程材料的行為、低濃度超鈾放射性核素的地球化學行為與隨地下水遷移行為及處置系統的安全評價。
  2. Abstract : by using the correlation analysis of cotton climatic output and temperature elements of different temperature types and different length periods of time in akesu cotton region, the results obtained indicate ( 1 ) using daily temperature elements of different length periods of time correlated with cotton climatic output is more useful, more reasonable and more easily in founding out optimum temperature elements with biological significance than using ten - days temperature elements ; ( 2 ) in three temperature elements of mean temperature, maximum temperature and minimum temperature, the effect of maximum temperature on cotton climatic output is the greatest, mean temperature is greater, and minimum temperature is the least ; ( 3 ) the low temperature in later spring and summer have some limiting effects on forming cotton climatic output in akesu cotton region

    文摘:通過對阿克蘇棉區棉花氣候產量與不同長度時段、不同類型溫度要素的相關分析，結果表明： （ 1 ）採用不同長度時段的日溫度要素與棉花氣候產量進行相關分析，比採用旬溫度要素的工作更細致，更合理，更易找出對棉花氣候產量影響較大的有生物學意義的較佳時段和溫度要素； （ 2 ）在平均溫度、最高溫度及最低溫度3個溫度要素中，以最高溫度對棉花氣候產量的影響最大，其次是平均溫度，最低溫度最小； （ 3 ）春末及夏季的低溫對阿克蘇棉區的棉花氣候產量形成具有一定的制約作用。
  3. Both species grew poorly in the culture medium absent of salt, especially to a. corniculatum. moderate salt stress ( from 5 to 20 ) can stimulate the growth of both species, and the optimum salinity for growth was from 10 to 15. when the substrate salinity was higher than 30, stem height, root length, dry mass increment, net photosynthetic rate fell remarkably for both species

    溫室內人工鹽度梯度栽培下，木欖幼苗地上、地下部分形態和生物量的增長均表現為低鹽促進和高鹽抑制，以10 15鹽度下最適合木欖幼苗的生長；鹽度從10增加到50時，木欖幼苗的凈光合速率、氣孔導度和蒸騰速率均隨之下降。
  4. The influence of preparing conditions on aluminum titanate composing was inquired. by analyzing element content of alumina and titania source, arranging a stoichiometric dosage, and keeping the chemical homogeneity from sol to mixed ti - al oxide precursor, a high activity powder was prepared. after calcining the precursor powder at 1250 for 2h, aluminum titanate phase is formed

    本試驗通過準確測定起始物的ti 、 al含量，嚴格化學配比，採取適當措施將微尺度上的組成均勻性從溶膠一直保持到混合鋁鈦氧化物前驅體的生成，使該粉體具有高活性，將其在1250煅燒2h ，已合成出以鈦酸鋁為主晶相的產物，比文獻報道的鈦酸鋁相的最低生成溫度降低了50 。
  5. Strictly - controlled operating temperature, lower space velocity, atmospheric pressure and necessary pre - treatment of the feed oil containing much bnc would help lengthen the service cycle

    在實際生產中，通過嚴格控制溫度變化，採用低空速及常壓，對含堿性氮化物較多的原料進行必要的預處理可以最大限度地延長催化劑運轉周期。
  6. Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg

    通過聚乙二醇與過量的丙烯酸採用全連續法進行反應，測定酯化產物「酯化水」和酸值等宏觀手段反映出在胺類促進劑、 100的酯化溫度等條件下的酯化進程，而利用紅外光譜（ ir ）分析所反映的聚乙二醇的羥基和丙烯酸的羧基特徵峰減弱，而pea的酯基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的酯化趨勢：隨著酯化時間的延長和聚乙二醇分子量的增大，產生的「酯化水」逐漸增加，酯化產物的酸值逐漸降低；從酯化時間看，當反應時間達到300min時，酯化物的酸值達到最小，而從ir分析來看，酯化物pea4的羥基峰在300min時減弱到最小， pea23在120min時羥基峰的表現出酯化基本完全。
  7. Based on those, the concept of chilling process was put forward according to the lowest biologic temperature of main tropic and south sub tropic crop and fruit in guangdong and the low temperature ( environment temperature 5. 0 ) which is harmful to those crop and fruit. with the lowest air temperature ( the daily lowest air temperature ) x1, the lasting days of low temperature x2 and an integrative physical element - - negative accumulated temperature x3 in which the effect of the intense and lasting days of low temperature were considered, the correlation coefficient of those indexes were calculated and analyzed, and the results showed that there are apparent linear correlations among them

    在此基礎上，以廣東主要熱帶南亞熱帶作物的生物學下限溫度為依據，從這些作物受寒害的起點溫度（環境溫度5 . 0 ）出發，提出了寒害過程的概念，並用寒害過程低溫的強度（逐日最低氣溫） x _ 1 、低溫的持續時間（天數） x _ 2及考慮了低溫的強度和持續時間綜合作用的物理量負積溫x _ 3這3個指標來描述寒害的強度，研究了廣東歷年冬季寒害的變化，分析了這3個指標間的相關系數，結果表明它們之間互相存在顯著的相關關系。
  8. The genomics dna of the transformants was extracted and assayed by pcr with nptii primer camv35 / cp primer and the results indicated that the chloroplast shsp gene has been integrated into the genomics of the tomato. then the transgenic tomato were exposed to low temperature ( in winter, on natural condition, the top temperature was 15 ? and the lowest temperature was 5 and a set of physiology parameters were measured after 6 weeks. the results were shown as follows : 1 ) effect on growth height of the transgenic tomato and the control plants after 6 weeks at low temperature showed that the transformants had been grown faster than the control. in addition, the leaves of the control plants appeared to be much reder than the transgenic tomato, and the change were obvious followed by far from the treated time at low temperature, which suggested that the constituently expression of the chloroplast shsp had some protective fountions to the tomato at low temperature

    提取轉基因番茄基因組dna ，分別以npt和35s cp引物對其進行pcr分析，結果表明葉綠體shsp基因已整合進番茄基因組中；對轉基因番茄進行低溫處理（冬季，自然條件下（無加熱的溫室） ，白天最高溫度15 ，夜間最低溫度5 ） ，生長6周后，檢測轉基因番茄的系列生理指標，主要結果如下： 1 ）生長勢：測量轉基因番茄與對照（未轉基因番茄）的株高，結果顯示轉基因植株生長明顯快于對照，且從外觀上看到對照葉片發紅程度遠大於轉基因植株，隨著低溫時間延長，對比更加明顯，說明葉綠體shsp的組成性表達在低溫下對番茄具有一定的保護作用。
  9. Liposome is an effective nuclide delivery agent for neutron capture therapy. in this paper liposomes containing encapsulated gadolinium complex were prepared and characterized. the influence of formulation factors such as ph, ionic strength, buffer, and storage time upon the stability of liposomes was investigated. the uptake rate constant and its concentration dependence of lgd in tumor cells were compared in vitro with that of gd complex itself. the results indicate that the uptake rate of lgd in tumor cells increases to eight times as much as that of gd - edta, but the release rate of gd from tumor cells containing lgd is remarkably lower than that from the tumor cells containing gd - edta. the results reveal that lgd would be a potential drug for neutron capture therapy of cancer

    制備和表徵了包埋gd - edta的脂質體，測定了ph ，離子強度，緩沖液組成及溫度對gd - edta脂質體的影響，比較了gd - edta脂質體和gd - edta被腫瘤細胞攝入的動力學曲線。結果表明， gd - edta脂質體在37和生理條件下最穩定，腫瘤細胞攝入gd - edta脂質體速率是gd - edta的8倍，而釋放gd的速率， gd - edta脂質體遠遠低於gd - edta ，這些結果提供了脂質體包埋gd - edta作為釓中子俘獲治療藥物的可能性。
  10. The mutant pel - d92l was expressed in pichia pastoris gs115, sds - page detection showed that the expression product pel - d92l - gs is different from pel - gs, and its " yield decreased dramatically, the themostability of pel - d92l - gs is also different from the pel - gs, but their optimum temperatures are same. 3. directed evolution of pel through random mutagenesis mutagenesis pcr carried out in error - prone conditions was used on the vector psk - pel, using the oligos " beginning " and " end ", homologous to the 5 ' and to the 3 " ends of the gene of pel respectively

    三、 pel基因的隨機誘變用易錯pcr方法對pel基因進行隨機誘變， pcr產物與ppic3 . 5k連接，轉化大腸桿菌，獲得的混合質粒電轉化畢赤酵母gs115 ， omm平板篩選適于低溫或對熱穩定的重組子，篩選獲得一株最活反應溫度、熱穩定性、發酵酶活均有提高的突變體pel - ep5 - gs ，其最活反應溫度為45 ，比野生型高出5 ； 40處理30min殘留活性為56 ，大大高於野生型的6 ；初始ph7 . 3528條件下培養72h ，發酵上清酶活為325u / ml 。
  11. Moreover, the sio2 / tio2 composite thin film showed the lowest pl intensity due to a decrease in the recombination rate of photo - generated electrons and holes under uv light irradiation, which further confirmed the film with the highest photocatalytic activity at 700 c. when the calcination temperature was higher than 700 c, the decrease in photocatalytic activity was due to the formation of rutile and the sintering and growth of tio2 crystallites resulting in the decrease of surface area

    同時，此時sio _ 2 / tio _ 2復合薄膜的熒光光譜顯示最低的熒光強度，這表明此時薄膜中的光生電子和空穴的復合速率最低，因而更有利於物質的光催化降解。當熱處理溫度高於700時，武漢理工大學碩士學位論文薄膜的光催化活性下降，這是由於薄膜中晶相二氧化欽的燒結和成長導致樣品的表面積下降以及金紅石相的形成。
  12. Some additional experimental work addressed the optimum temperature range for producing low - chlorine or chlorine - free waste in the first reactor without pyrolysing any of the other combustible fractions

    這些額外的實驗證實了在不使用其它燃料的條件下，在第一個反應器中生產低氯或無氯廢物時的最適溫度范圍。
  13. 2. according to the weighted average, soil co2 concentration is 0. 58 - 13. 29 times of that in atmosphere and is relatively lower than similar research, meanwhile, soil co2 concentration in profile varied irregularly, which possibly is due to the chemical and physical characteristic of loess soils, season change and arid climate etc. the variation of soil co2 concentration in profile is mainly controlled by soil temperature and soil moisture, in contrast with soil temperature, the control role of soil moisture is minor. in conclusion, in order to have a good command of the distribution and change rule of soil profile co2 concentration as well as its effect factors, multi - point and successive location experiment should be made, meanwhile establish indoor soil - pillar monitoring experiment

    土壤co _ 2的濃度約為大氣co _ 2濃度的0 . 58 ? 13 . 29倍與同類研究相比要低，這是與黃土的土質特性，觀測期又逢特別乾旱年制約了土壤微生物的活動，再加上土壤中有機質虧損，養分不足造成的；土壤co _ 2含量的變化是隨溫度的升高而升高，在夏季達最高值，冬季最低；在土壤co _ 2濃度變化的影響因子溫度和水分中，溫度的影響作用高於水分；土壤剖面co _ 2濃度隨著深度增加，總的變化趨勢是遞增的，但也有反復，甚至有的順剖面而下幾乎保持一恆值，這與季節變化和黃土自身結構的通透性以及在觀測期內的乾旱氣候等條件有關。
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