濃集法 的英文怎麼說
中文拼音 [nóngjífǎ]
濃集法
英文
concentration methods-
According to the frequently used methods of extraction and isolation of natural products from organic body, the freeze - dried ascidian tunica was exhaustively extracted with 100 % chloroform then the combined extracts were filtered and the solvent was separately concentrated under vacuum to yield a dark - brown gum
按照目前比較常用的天然產物的提取分離辦法,將樣品冷凍乾燥后,用100氯仿浸泡,收集氯仿濾液,減壓蒸餾濃縮去除浸提溶劑,得到黑褐色的浸膏狀物質。Fourthly, according to the activity, collect, dialyse, freeze, dry respectively the sod protein through deae - sepharose column chromatog - raphy ; process the sod protein through sephacryl s - 200 column chromatography with the preceding method. at last, process the pure sod protein with same functional enzyme electrophoresis and active dye, isoelectric focusing electrophoresis and sds - page
將粗酶液過deae -瓊脂糖柱層析,得三個活力峰,分別收集、透析、乾燥濃縮后;再上sephacryls - 200凝膠柱層析,按與deae -瓊脂糖柱層析后同樣的方法收集處理。The reasults are summed up as following : ( 1 ) the more metaphase chromosomes of bmn cells and moderately contraction can be obtained by air - drying after cultured at the colchicine concentration 1. 0 u g / ml, 28 " c, for 6 - 9h
用空氣乾燥法和培養細胞貼片法對bmn細胞的染色體和有絲分裂進行研究發現: ( 1 )採用空氣乾燥法制備bmn細胞的染色體,在終濃度0 . 1ug / ml的秋水仙素28培養6 9h條件下可得到較多中期分裂相,染色體的凝集也比較適中。Having developed an interest in plant taxonomy from the age of 17, bentham abandoned ( 1833 ) his career in law to devote himself entirely to his botanical collection and library
他從17歲開始就對植物分類產生了濃厚的興趣, 1833年他放棄了他的原有的法律職業,轉而投向植物採集和植物藏書中。The different stages the practices of legislation of finance both before china ' s reform and opening - up to the outside world and after the legislation of finance in 1994 are discussed. in the discussion of the characteristics of the legislation of china ' s finance, some problems and defects are observed, such as the low level of legislation and the serious centralization of power
論文回顧了改革開放以前的財政體制立法和改革開放以後的財政立法情況,著重詳述了一九九四年以來的財政體制立法的情況,分析了中國財政體制立法的特徵,指出了其存在的突出缺陷是立法層次較低和集權制色彩濃厚。In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor
針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是重要因子,而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異,氮磷流失都表現為顯著的差異。It ' s a more accurate method in determining the isotopic abundance of uranium. the paper describes the measurement principles that allow accurate measurements to be taken on samples of arbitrary size, shape, and measurement geometry - and of arbitrary physical and chemical composition - through the use of know nuclear decay data ( half - lives and branching intensities ). this method relies on internal gamma - ray peaks from the spectrum under analysis to self - calibrate the unknown spectrum for energy and peak shape
本工作首次分析了pc fram軟體的演算法並使用高純鍺探測器探測歐共體低濃鈾標準樣品,使用pc fram軟體的預設參數並不能得到準確的富集度值,通過大量的實驗,本工作對鈾富集度測量中的關鍵問題進行了初步的研究並給出了本實驗室條件下準確分析鈾富集度的修正參數和條件。A characteristic creative team with perseverence, rich works and noticeable realistism are good signs for hubei drama, but must be pointed out, hubei drama development with scarcity of innovation sense and the singleness of technique of expression can ' t be equal with the prosperity of china drama in new period yet
其成就主要表現在形成了獨具特色的有恆心有恆產的創新團隊和創作集體、戲曲創作成績斐然、鮮明的現實主義色彩這三個方面;其不足主要表現為戲劇發展明顯失衡、創新意識並不濃烈和表現手法單一等等。Lead and cadmium in tap water were preconcentrated by quartz sub - boiling distiller and determined by faas in this method
摘要把分析測試工作中常用來制備高純水的石英亞沸蒸餾器用於濃縮富集自來水中的鉛、鎘,並用火焰原子吸收光譜法對鉛、鎘進行測定。According to the result showed at 280nm and at 490nm, in the comparison of whether protein absorption top and sugar quantity top overlapped, glycoproteins would be detected preparatorily, and as a result, tubes in two distinct areas had glycoproteins by this method. proteins were precipitated with trichloroaceticacid and with cold acetone, and glycoprotein was determined from sds - gel
再從各收集管的收集液中,用三氯乙酸沉澱蛋白法、冷丙酮沉澱蛋白法相結合濃縮、制備蛋白樣品,進行sds ? page ,對sds膠進行pas糖鏈染色鑒定糖蛋白,並從茶樹葉分級蛋白中準確地鑒定出兩個區域的收集管中含有多種糖蛋白。As it is necessary to obtain timely information, early phase monitoring focuses on the measurement of ambient gamma dose rates, concentrations of gamma - emitting radionuclides and gross alpha beta levels
因為需要及時提供有關輻射水平的資料,早期輻射監測會集中量度環境伽馬劑量率伽馬放射性核素活度濃度及總阿爾法及貝他活度濃度。As it is necessary to obtain timely information, early phase monitoring focuses on the measurement of ambient gamma dose rates, concentrations of gamma - emitting radionuclides and gross alphabeta levels
因為需要及時提供有關輻射水平的資料,早期輻射監測會集中量度環境伽馬劑量率、伽馬放射性核素活度濃度及總阿爾法及貝他活度濃度。Effeets of different water disinfection ways on mutagenicities of organic extracts from tap water
不同消毒方法對自來水中有機濃集物致突變性影響Study on the determination of trace cu by ddtc chelating resin preconcentration and thin layer resin phase spectrophotometry
螯合樹脂預濃集薄層樹脂相吸光光度法測定痕量銅的研究The object of this research is to develop an environmental control system which can directly monitor and control the micro - environment in which plantlets were planted during the whole period of the culture ; seek the way to putrify the air in culture box ; study the effects of co2 enrichment on culture plantleto we designed an environmental control system for sugar - free plant tissue based on plc
本研究的目的是開發一套能長期自動直接監控組培微環境co _ 2濃度的調控系統;初步探索對組培箱內氣體凈化、除濕的方法;探索co _ 2富集對組培苗生長發育的影響,為日後的科學實驗和生產實踐提供借鑒。For the cdznte spectrum with worse resolution, the analysis results show that the method can distinguish high - enriched uranium and low - enriched uranium, and work out the enrichment data in low precision
對能量解析度較差的cdznte能譜而言,該方法能夠較好地區分高濃鈾和低濃鈾樣品,並在較低的精確度下給出了鈾富集度的數據。In this paper introduced the study of fuzzy controller which was used for co2 supplying control from co2 source - high - pressure steel tin to culture box, studied the control of relative humidity and co2 concentration in the culture box and effects of co2 enrichment ( enrichment concentration was 900 - 1100mol mol - 1 ) on the growth of chrysanthemum plantlet and tried to clean the air in the culture box by cycling the results indicated that this environment control system operates normally and reliably. it can keep the co2 concentration and relative humidity in setting scope ; it is good to the growth of the culture plantlets to clean the air in culture box by cycling ; co2 enrichment can promote the growth and photosynthetic and can increase the percentage of shooting the number of new leaves of the chrysanthemum plantlet cultured under co2 - enriched condition is 1. 85 times of the plantlet cultured under co2 - nonenriched condition ; the number of the roots of the chrysanthemum plantlet cultured under co2 - enriched condition 5. 67 times greater compared with the plantlet cultured under co2 nonenriched condition
結果表明:所研製的無糖組培微環境co _ 2增施監控系統工作正常、穩定、可靠,能有效地將組培箱內的co _ 2濃度及其相對濕度控制在設定范圍內;用箱外循環法對箱內氣體凈化處理后,改善了組培箱內的氣體環境,有利於組培苗的生長發育; co _ 2富集環境中,組培苗生長健壯、發育良好,生根率顯著提高,根系發達。本實驗條件下,處理組菊花組培苗的新增葉片數是對照組的1 . 85倍;處理組的根總長是對照組的10 . 6倍;處理組根數是對照組的6 . 67倍。On the day of the event, chinese artist dr. xu qiao - shen painted a picture of beautiful plum blossoms, which he presented to the supreme master ching hai international association as a gift. in addition, mr. chen ji - shan from the chinese calligraphy and seal engraving art society and nine experienced calligraphers from tainan demonstrated their skills by reproducing master s aphorisms and several poems from the anthology
活動當天,國畫家許朝森博士將他在現場所畫的梅花國畫贈送給清海無上師世界會,中華書道印藝學會的陳吉山先生以及府城9位資深書法家,亦當場揮毫清海無上師的無子詩及甘露法語,陳吉山先生並於揮毫后吟誦清海無上師的詩集無子詩中的詩篇,使現場流露著濃濃的藝術氣息。Issues of spatial extent and resolution, the selection of environmental burdens to analyze, data and methodological limitations, and different approaches to delineating exposure are discussed in the context of the asthma study, which, through proximity analysis, found that people living near ( within specified distance buffers ) noxious land uses were up to 66 percent more likely to be hospitalized for asthma, and were 30 percent more likely to be poor and 13 percent more likely to be a minority than those outside the buffers
本研究考慮空間與?圍、環境分析的資料、所收集資料與不同應用方法的限制及運用不同方法去說明該研究族群之暴露情形,透過趨近分析,發現以該地空氣污染濃度劃分結果,相較于污染較低之區域,居住于污染物濃度較高之區域,有高於66 %以上的機率會因氣喘而住院治療,有33 %是機率因為貧窮, 13 %以上的機率可能是未成年者。We sampled the palaeosol or buried soil of this section formed during the middle stage of last glacial at the interval of 10cm and totally we got 40 samples for spore - pollen analysis. we adopted the analytic procedure that is developed by mingjian wei ( personal communication ) to treat the spore - pollen samples
以10厘米為間距,在末次冰期中期發育的古土壤中採集孢粉樣品40個,用魏明建等改進的孢粉分析方法進行樣品的實驗室分析,通過外加標志花粉的方法計算花粉濃度。分享友人