氯度 的英文怎麼說
中文拼音 [dù]-
Test method for total acid number of tricholorotriflourethane
三氯硝基甲烷總酸度測試方法The transferabilities of disinfectant outgrowths. the transformations admixed with chloroamine disinfectant water and chlorizating disinfectant water in conveying tubes have been particular analyzed. mostly work and conclusions as follows : ( 一 ) using simulative test and crosswise test, changing some parameters such as the sequence and proportion of chloroamine affiliated
C ）採用氯胺消毒方式時，預加氯成為總三鹵甲烷、鹵乙酸生成量的決定因素，取消預加氯將大幅度減少氯消毒副產物的生成，而對于濾后水消毒劑量（主要為一氯胺）的控制影響不大。The experimental results showed that in the condition of this experiment four algaecides all had strong removing rate on algae, and their removing rate increased with dose increasing, and decreased with algae density increasing. according to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite. in the condition of this experiment, the suitable dose of potassium permanganate was 0. 8mg / l, the algal removing rate was beyond 90 % and the cost of this algaecide was only 0. 0068 / m3. the efficiency of algae removal by four algaecides for huanghe river water was studied. the results showed that the majority of huanghe river water was bacillaroiphyta, and the dominant genera was melosira, which reached 78 % ~ 94 %
結果表明，在實驗條件下，四種殺藻劑均具有一定的殺藻效果，藻類去除率均隨藥劑投量的增加而提高；原水藻類數量影響殺藻劑殺藻效果，四種殺藻劑的藻類去除率均隨原水藻類數量的增加而降低；通過殺藻效果、經濟性以及安全性等方面的綜合比較，對于以有毒藍藻為優勢藻屬的引灤水，四種殺藻劑的優劣程度從優到劣排序為：高錳酸鉀硫酸銅過氧化氫次氯酸鈉；在實驗條件下，高錳酸鉀適宜投加量為0 . 8mg l ，藻類去除率高於90 ，所需的藥劑費用僅為0 . 0068元m ~ 3 。Chemical analysis of ammonium sulphate for technical use. spectrophotometric determination of chloride ions
專業用硫酸銨的化學分析.氯離子的分光光度法測定The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu
另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。Abstract : the total quantity of perylene quinonoids in hypocrella bambusae ( b. et br. ) sacc., shiraia bambusicola p. henn and culture substance of ascomycetes hypocreacae ( fr ) tul. sp. were determined with spectrophotometric methods. the relative extraction efficiency were studied when ethanol, acetone and chloroform were used as solvents. among them acetone was the best one
文摘:用分光光度法測定了竹紅菌、竹黃和菌寄生菌培養物中?醌類化合物的總量；同時研究了以無水乙醇、丙酮和氯仿為溶劑提取?醌類化合物的相對效率，結果發現以丙酮為溶劑最合適。Standard method for hygienic examination of pyridine in air of residential areas - cyanogen chloride - barbituric acid spectrophotometric method
居住區大氣中吡啶衛生檢驗標準方法氯化氰-巴比妥酸分光光度法Soil quality - determination of exchangeable acidity in barium chloride extracts
土質.氯化鋇提取物中可互換酸度的測定Iso 1425 soil quality - determination of exchangeable acidity of barium chloride extracts iso 14254 : 2001
土壤質量.氯化鋇提取物的可交換酸度的測定During down processing biocatalyst several immobilization method are discussed and the result reveals that the method with alginate sodium as entrapment and cach as cross - linking reagent is best for the conversion, and the concentrate of those are 3 % and 0. 6mol / l
進一步的研究表明，海藻酸鈉為3 （質量濃度） 、氯化鈣為0 . 6mol / l的情況下最有利於模型反應的進行。Through the relationship between sodium chloride and target crystal : calcium hypochlorite hydrate, the recycle of mother liquid, the principle of reactive crystallization of sodium - process bleaching power was analyzed
從氯化鈉與目標晶體水合次氫酸鈣間的關系、母液循環等角度分析了鈉法漂粉精工藝的反應結晶原理。Nickel base alloy powder - determination of phosphorus content - n - butyl alcohol - chloroform extraction spectrophotometric method
三氯甲烷萃取分光光度法測定磷量In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design
摘要採用1 ， 2 -丙二醇、正丁醇和環氧氯丙烷為原料，在相轉移催化劑的作用下反應，通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。Test method for colour fastness to carbonizing with aluminium chloride
色牢度耐氯化鋁炭化作用的試驗方法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。Purification : density gradient centrifugation ( sucrose & cscl )
分離:密度梯度離心法（蔗糖&氯化銫）The results indicated that all isolates exhibited a susceptibility to amikacin and ceftriaxon, and 67 isolates showed a greater or lesser degree resistance to streptomycin, kanamycin, gentamicin, ampicillin, tetracycline, chloramphenicol, florfenical, cefotaxime, cephalothin and ceftiofur, to which 22 isolates exhibited a susceptibility. some isolates showed resistance to multiple antibiotics and displayed a highest level resistance to streptomycin with a frequency of 43. 8 %, followed by tetracycline with a frequency of 30. 3 %
結果表明，所有分離菌株均對阿米卡星和頭孢曲松敏感； 67株對鏈黴素、卡那黴素、慶大黴素、氨芐西林、四環素、氯黴素、氟苯尼考、頭孢噻肟、頭孢噻吩、頭孢噻呋表現出不同程度的耐藥性，其中對鏈黴素的耐藥率最高，為43 . 8 ，其次為四環素（ 30 . 3 ） ，其餘22株為敏感菌株。Separate determination of chloramines in chlorinated water
雙硫腙萃取光度法測定管網水中的余氯4. when the chloramines disinfection water is combined with the liquid chlorine disinfection water and reaches some stable ratio for a long time, the great reduction of the remained and total chlorines in the piped system will be obtained
4 、氯胺消毒處理后的水與液氯消毒后的水在管網中混合達到一定比例，長時間穩定接觸，將會出現管網水余氯、總氯大幅度降低的現象。Determination of chloramphenicol residues in prawns by gc - nci - ms
質譜法檢測氯黴素靈敏度的研究分享友人