無氯的 的英文怎麼說
中文拼音 [wúde]
無氯的
英文
chlorine-free-
Dissolve in water, carbinol, ethyl acetate, ethanol, methylene chloride and hydrocarbon. store in obturation, photophygous, low temperature neutral or alkalescence condition. nvp is moderate poisonous, less smell causticity to rubber and leather
棕黃色或棕紅色成型粉狀，具有淡淡的特殊氣味，溶於水和乙醇，不溶於二乙醚和氯仿，穩定性好，無刺激，對細菌病毒真菌黴菌及孢子都有較強的殺滅作用。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 ） 。Measurement of the steady and non - steady - state chloride diffusion coefficients in a migration test by means of monitoring the conductivity in the anolyte chamber comparison with natural diffusion tests
很多混凝土科學工作者都在積極努力的發展氯離子傳輸和檢測理論及試驗室方法，目前理論及試驗室檢測標準眾多，但尚無明確的現場檢測標準。Study on the totally chlorine free bleaching of wheat straw soda - aq pulp
法麥草漿全無氯漂白的研究Study on the bleaching of wheatstraw soda aq pulp with formamidnesulphinic acid
舊瓦楞箱板紙全無氯制取漂白漿的研究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。This test chooses general industrial vc / vac copolymer as raw material, various supplement material additives are also the common conventional avirulent additive on industry ; the plastic material processing routine is also the universal method to make the thermoplastic plate of low temperature of vc / vac copolymer that accords with medical requirement that its softening temperature is 55
本試驗選用氯醋共聚樹脂為主要原材料，所用輔料添加劑也是工業上常見的無毒性常規添加劑；採用常規的塑料加工成型方法及設備製造出軟化點為55的、符合醫用要求的低溫熱塑性氯醋共聚樹脂板材。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。Qingdao yongliyuan chemical industry co., ltd. is a expert manufactroy of inorganic chemical combination production. our main productiong include bano3, bacl2, baso4 from powder to sand size
青島永利源化工有限公司是生產無機化工產品的專業生產廠家，主要生產硝酸鋇、氯化鋇、重晶石粉、重晶石砂等。Chloral is a colorless, volatile liquid with a very penetrating odor and boiling at 97. 7℃.
三氯乙醛是無色揮發性的液體，帶有刺激性很強的氣味，在97.7沸騰。Without doubt chloroform is one of the most important compounds containing a carbon-halogen bond.
毫無疑問，氯仿是含碳鹵鍵的最重要的化合物之一。The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm
本論文以開發無機?有機復合納濾膜為出發點，首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜；選用聚乙烯醇和聚酰胺為表面功能層材料，分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑，採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜；以均苯二甲酰氯、哌嗪和二胺為單體，採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜，並對影響膜性能的諸多因素進行系統研究。Cma, as an alternate deicer, tends to inhibit corrosion and appears to be relatively harmless to the environment. but cma is expensive because of the high price of its material, and it has less ability in melting ice than sodium chloride. besides these, cma sticks to wet surfaces and can congeal to form hard chunks, difficult to store for a long time, dusty and a strong vinegar smell when spread
而cma是對氯化物鹽除冰劑的重大改進， cma具有無污染，環保的特點，對金屬幾乎無腐蝕，但由於原料價格昂貴，使得cma的價格不菲， cma對冰的融化能力不如氯化鈉， cma易結塊，不宜長期儲藏，在撒布時形成的粉塵及刺鼻的酸味亦是需要改進的地方。Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region.
乙烯和反式二氯乙烯在紅外光譜的這個區域都無活性。Chlorine is not toxic to human beings at the concentrations used for disinfection purposes, and is a quick - acting germicide
用於消毒目的氯的濃度對人類無毒性，是一種高速殺菌劑。Damage from ammonia and chlorine usually coincides with an inadvertent massive release to the atmosphere.
氨和氯的危害常是無意地釋放到大氣中。Sodium chlorate is a kind of mineral salt which has wide use in bleaching, dyeing, etc
摘要氯酸鈉是一種用途廣泛的無機鹽，是制備二氧化氯的重要原料。Plastics. epoxy resins and glycidyl esters. determination of inorganic chlorine
塑料.環氧樹脂和環氧丙基酯.無機氯的測定Epoxide resins and glycidyl esters - determination of inorganic chlorine
環氧樹脂和縮水甘油酯無機氯的測定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。分享友人