biological concentration 中文意思是什麼

biological concentration 解釋
生物富集
  • biological : adj. 生物學（上）的。 a biological test 生物學檢驗。n. 【藥學】生物製品，生物制劑。adv. -ly 生物學地，生物學上。
  • 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. In trpsin tolerance assay. this virus could resist to 1 % trpsis at 37 in an hour. in acid tolerance assay, this virus was resistant to ph3. 0 and ph5. 0 at 37 in 2 hours, and the average infection litre of the virus decreased little. in heat assay, at 50, the virus was processed from 5 minutes to 150 minutes and at each condition the viral virulence reduced to some certain degree. among these conditions, when at 50 in 30 minutes. the average infection litre of this virus decreased over 2 tilre. and when al 50 in an hour, cpe of ihis virus disappeared. when time was set for an hour. but with processed in different temperature as 50 60 70, 80, the virus losl the multiplication capacity complelely. in biological assay, we selected different cell lines to cultivate this virus by laking advantage of possesional cells at that time in our laboratory. then we found that fcwf cell line was the most sensitive to dxmv and mdck was the second. with f81 cell line, after passaged for 12 times continuously with low concentration of fcs. the virus could produce cpe. however, with vero cell line. the virus could not procuce any cpe after many passages. the hemagglutination and lumadsorption reaction test proved that this virus had no any reaction to erythrocyte of pig, fowl and cavy. by neutrolizaion assay, dxmv could be identified as a kind of ccv

    理化學研究表明，該病毒為rna病毒，對氯仿、乙醚敏感；胰酶試驗中，經37 、 1小時處理的病毒，仍然能夠在貓源細胞fcwf細胞上生長，並且毒力基本保持不變；耐酸性試驗中，病毒分別在ph5 . 0和ph3 . 0經37作用2小時，毒力僅下降一個滴度；耐熱性試驗中，該病毒在恆定溫度50 ，設定不同時間，從5分鐘到150分鐘，毒力均有不同程度下降，其中， 50作用30分鐘，病毒平均滴度下降2個單位； 50 ， 60分鐘， cpe消失；恆定時間1小時，設定不同溫度（ 50 - 60 - 70 - 80 ） ，病毒在細胞上完全喪失增殖能力， cpe消失。生物學試驗，利用實驗室現有條件，選擇不同的細胞系對該病毒進行培養，發現該病毒對貓源細胞fcwf最敏感； mdck細胞次之； f81細胞經多次傳代，亦可出現cpe ；而vero細胞則不敏感。血凝試驗表明，該病毒對豬、雞、人及豚鼠的紅細胞均無血凝性。
  2. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明，成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o （ x = 1 . 86 ）的x射線衍射圖譜一樣，濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用，試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與，亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外，還通過鐵離子的變價傳遞電子，催化錳離子的氧化反應，從而促進對二價錳的降解。
  3. 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。
  4. 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。
  5. Introduction to general ideas in air pollution control, air pollution effects, design of wall collection devices （ gravity settlers, centrifugal separators, electrostatic precipitators ）, design of dividing collection devices （ surface filters, depth filters, scrubbers for particulate control ）, design of controlling by concentration and recovery （ condensation, adsorption, absorption ）, design of controlling by oxidation （ combustion, biological oxidation, biofiltration ） and the choosing of a control technology

    本課程介紹空氣污染防制概念，空氣污染之影響，壁式集塵設備之設計（重力沉降室、離心分離器、靜電集塵器） ，分隔集塵設備之設計（表面過濾器、深層過濾器、洗滌器） ，以濃縮回收之控制設計（冷凝、吸附、吸收） ，以氧化之控制設計（燃燒、生物氧化、生物過濾） ，以及控制技術之選擇。
  6. A past of high nh4 ( superscript + ) - n source water not biological treated was fed into bac filter after conventional treatment to enhance the nh4 ( superscript + ) - n concentration of bac filter influent water

    將一部分未經生物預處理的高氨氮原水經常規處理后進入生物活性炭濾池以提高活性炭濾池進水氨氮濃度。
  7. The assay system of the biological activity of lymphotoxin was established using l929 cell as the sensitive target, lt international standard as the positive control and crystal violet staining method to detect viable cell after treated with lt. the best relationship between dosage and effect could be got if the cell seeding density in cell plate was 1. 6 0. 1 104 the dosage of amd was lug / ml, and the starting concentration of dilution in the plate of lt standard was 10 iu / ml with two fold dilution. the credibility of the established system was detected with rhtnfp developed by r & d

    為確定經上述步驟純化后得到的目的蛋自lt 27的生物活性，本研究以l929細胞為靶細胞、淋巴毒素國際標準品為參照，採用結晶紫染色法檢測經淋巴毒素處理后存活的細胞，對淋巴毒素生物活性測定的細胞接種濃度、淋巴毒素標準品板上稀釋的起始濃度和梯度稀釋的倍數、放線菌素d的使用劑量等進行條件實驗后，建立了人淋巴毒素生物活性測定方法。
  8. Biological concentration factor

    生物濃集因素
  9. In ecological systems, biological populations spontaneously migrant or diffuse from locations of high concentration to locations of low concentration by their own diffused rates di for the sake of effects of space, foods and other competitive factors

    在生態系統中，由於生存空間、食物等競爭因素的影響，生物群體自然地按各自的擴散率d _ i從密度高的地方向密度低的地方轉移、擴散。
  10. It is withdraws from the healthy placenta concentration, coordinates many kinds of high quality raw materials for chinese medicine scientific formula, after modern biological technology project fine manufacture

    激活胎盤素沖劑系由健康胎盤和多味優質藥材科學組方，經現代生物技術工程精製而成。
  11. The residual manganese concentration of the groundwater treatment plants, which normally exceeds the limit of 0. 1 mg / l. based on the water sample of the laboratory of hunan university and by the aid of model experiment, the time needed for the cultivation of the biological filter were discussed, so were its affecting factors

    考察了濾柱培養成熟的時間及影響生物除錳效果的因素;研究了生物除錳的機理，建立了生物除錳反應動力學模型;探討了磷、 fe ~ （ 2 + ）等因素對生物除錳的影響，同時還研究了錳的去除與氧化還原電位的關系，對濾膜的結構進行了測定。
  12. In vitro diagnostic medical devices - measurement of quantities in biological samples - metrological traceability of values for catalytic concentration of enzymes assigned to calibrators and control materials

    體外診斷醫療器材.生物試樣的數值測量.校準儀和控制材料賦值的酶催化濃度計量溯源性
  13. By combining with the simulation result of the vertical circulation structure, we propose that the factors induced the distribution difference of calanus sinicus and chlorophyll - a concentration not only include the grazing activities, vertical circulation structure at the fronts also plays an important role. the circulation of bohai sea in spring is examined to provide a reliable physical environment for biological model

    首次抽出黃海海洋鋒區的垂向環流結構有利於中華哲水蚤在鋒區的聚集，葉綠素a濃度高值區偏離鋒區也與鋒區上升流結構密切相關，模型研究中首先對渤海環流的物理機制進行了研究。
  14. Abstract : by a large number of trial and related project experiences, the author can draw a conclusion that organic wastewater can gain better processing efficiency before it flows into the biological fluidized beds with lower sludge concentration by coal fly ash pretreatment and high efficiency jet aerator

    文摘:通過大量試驗和相關工程體會得出：有機廢水在進入較低污泥濃度的生物流化床之前，通過粉煤灰的預處理，再配以高效射流曝氣器，能有較好的處理效果。
  15. Qiandaohu lake was very famous for its clean water quality. but in recent years the water body has become seriously eutrophic especially during summer months in some areas of the lake and came to the attention of national, provincial and city environment protection agency. the main objective of this study involved the following : sampling and monitoring water from the lake ; water quality assessment and biological assessment ; ascertain the limiting factors for phytoplankton growth ; fuzzy cluster analyse of water pollution of all sampling points ; predicting total phosphorus concentration in the lake by using static models ; setting up regression models and their application ; setting up an eco - dynamic model and its simulation

    本研究根據1998 - 2000年連續監測數據，對千島湖進行了水質評價和生物評價；分析了千島湖水體富營養化的限制性因子；同時根據千島湖各個取樣點的污染狀況，對千島湖進行水環境質量區劃；利用前人的經驗統計模型預測了千島湖現有的磷濃度水平及治理所需要削減的污染物負荷量；並且組建了多個回歸統計模型，運用這些模型預測千島湖水體中的總磷濃度；最後根據多年水質、底質、生物等方面的監測數據以及千島湖流域的氣象和社會經濟狀況的資料組建機理性的千島湖富營養化模擬模型。
  16. For one reason, most biological effects operate at these, or lower levels of concentration.

    一個原因是：大多數生物效應都是在這樣的（或者更低的）濃度水平下起作用的。
  17. The quantitative determination of trace gas concentration is involved in the study of biological trace gas exchange, air pollution and medical diagnosis

    生物組織微量氣體交換研究、大氣污染監測和醫療診斷等領域都涉及到微量氣體的定量分析。
  18. Haematology - determination of the concentration of blood corpuscles in blood - part 1 : blood collection, sample preparation, biological influence factors, interference factors

    血液學.血球濃度測定.第1部分:采血試樣制備生物
  19. The biological iron - removal had the advantages of quick oxidation velocity and good removal efficiency and the iron concentration of the effluent that could remain steadily below 0. 1mg / l

    生物除鐵氧化速率高、效果好、出水含鐵量可一直穩定維持在0 . 1mg / l以下。
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