溶劑水分 的英文怎麼說
中文拼音 [róngjìshuǐfēn]
溶劑水分
英文
solvent water- 溶 : 動詞(溶化; 溶解) dissolve
- 劑 : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 溶劑 : dissolvant; solvent; resolvent; solventia; menstruum
- 水分 : 1. (物體內所含的水) moisture [water] content; dew; humidity 2. (誇大的成分) exaggeration
-
Methods the antioxidant of 75 % ethanolic extract and organic solvent extracts, water extracts and polysaccharids from acanthus ilicifolins l. was detected by flow - injection chemiluminescence, to evaluate the ability of scavenge h2o2
方法採用流動注射化學發光法,研究該植物75 %乙醇提取物及其有機溶劑萃取分離部分、水提取物及多糖對過氧化氫( h2o2 )的清除作用。The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion
本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。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。Selecting the solvent in the determination of water in erythromycin
紅黴素堿水分測定中的溶劑選擇The main contributions of the work can be summarized in the following : 1 ) using on - line collected data, a soft - sensor model of the column compositions is constructed via multiple linear regression ( mlr ) and principal component regression ( pcr ) technique
並分別選用多元線性回歸( mlr )和主成分回歸( pcr )方法對溶劑脫水塔產品組成進行建模,對所建模型進行了驗證,其結果表明模型的精度達到了預期的要求。Brown yellow or red brown molding powder, has weak special smell, can dissolve in water and ethanol, not dissolve in ethyl ether and chloroform, good stability, no stimulate, has strong extermination effect to bacteria, virus, epiphyte, mildew and sporule. application
由於pvpp的高分子量和交聯結構,不溶於水但遇水能迅速將水引入,促使其網路結構膨脹產生崩解作用,所以pvpp是醫藥上廣泛應用於片劑顆粒劑及膠囊劑的崩解劑填充劑。Abstract : researches on unformaldehyde unironing finishing are summarized in this paper. functions and deficiencies of glyoralamido, water soluble heat reactive polyure thane, bishydroxyethyl - sulfoue, natural high precision chitosan, reactive organosilicon, amyloidosis epoxide, multiple carboxyl acid compound are also analyzed and compared
文摘:綜述了無甲醛免燙整理方面的研究,分析比較了乙二醛-酰胺類整理劑、水溶熱反應性聚氨酯、雙羥乙基碸、天然高聚物殼聚糖、反應性的有機硅、澱粉改性物、環氧類整理劑、多羧酸化合物等無甲醛抗皺整理劑的功能以及各種整理劑存在的不足The volume of a solution of a salt is generally less than the sum of the unmixed volumes of the salt and the water, because of the tight packing of water molecules in the salvation shell around the ions.
鹽溶液的體積一般都小於未混合時鹽的體積與水的體積之和,因為水分子緊密地堆積在離子周圍的溶劑化層中。It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. good character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film
聚乙烯醇是一種水溶性高分子聚合物,它具有化學性能穩定溶解性能良好粘著力大等優點,可用作聚合反應的乳化劑和分散劑,同時可取代澱粉等作為膠粘劑,廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業,在作為紡織用經紗漿料織物整理劑精細化工用聚合物助劑建築塗料用粘合劑以及製成薄膜後作為包裝材料等方面,日益顯示出其良好的使用性能。It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. sound character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film
聚乙烯醇pva是一種水溶性高分子聚合物,它具有化學性能穩定溶解性能良好粘著力大等優點,可用作聚合反應的乳化劑和分散劑,同時可取代澱粉等作為膠粘劑,廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業,在作為紡織用經紗漿料織物整理劑精細化工用聚合物助劑建築塗料用粘合劑以及製成薄膜後作為包裝材料等方面,日益顯示出其良好的使用性能。A kind of crystalized sulfate of aluminium, water soluatable and a good astrigent ; widely used in deodorant products. can mixed with grapefruit extract, glycerin and demineralized water to make toners
是一種鋁鹽成、無色無味的晶狀物質,可溶於水中,具有很好的收斂及止血功能,也具止汗功能,很多止汗劑也會添加明礬的成分.可加入葡萄柚萃取液、甘油、純水做收?水。The hybrid density functional theory at ab initio level was applied to study solvent effects on geometrical structures, charge distribution, and solvatochromic shifts of 4 - nitro - buta - 1, 3 - dienylamine molecule
摘要在從頭計算的水平上,利用雜化密度泛函理論研究了溶劑對4 -硝基1 , 3 -丁二烯基胺分子的幾何結構、分子內的電荷分佈和電荷轉移態的能量漂移的影響。The new high effective water - reducing agent act - fdn has characteristic of reactivity, it ca n ' t dissolve in water but do in alklia. in the concrete, it decompounds slowly and gives out sulfonate group which has dispersity, this can make the high effective water - reducing agent available for a long time, therefore it can reduce slump loss
研製的新型高效減水劑act - fdn ,具有反應性的特點,不溶於水但溶於堿,在混凝土這樣的堿性環境下可以緩慢分解釋放出具有分散性能的陰離子磺酸基,使高效減水劑能夠持久發揮作用,從而達到了降低坍落度損失的目的。In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4This paper mainly deals with the effect of hydrosoluble hp fibre, fibremesh and fdn on cement mortar ' s bend resistant strength and compressive strength under the same operating conditions and with different hp mixtures ; comparing fibremesh to hp, both of which have different effects on concrete ' s compressive strength, tensile strength and bend resistant strength ; and finally discussing hp ' s mechanism
本文主要研究了工作性相同、 hp摻量不同時水溶性高分子纖維( hp ) 、纖維網、 fdn高效減水劑對水泥砂漿抗折強度、抗壓強度的影響。同時對纖維網和hp增強混凝土的抗壓強度、劈裂強度、抗彎強度作了對比分析。最後對hp的作用機理進行了研究。Standard test methods for water in halogenated organic solvents and their admixtures
鹵化有機溶劑及其摻和物中的水分的標準試驗方法In this study, the preparing processes of zro2 - ni nanocrystalline composite powder aremixing the nickel salt, zirconium salt and stabilizer, solvent ( distilled water ) together to prepare the mixing solution according to certain ratio ; commingling the mixing solution, coordination solution of carboxylic ammonia, intrusion aid in accordance with certain rate to form sol, drying the sol and turning it into gel, pre - sintering the gel to get the zro2 - nio powder and gaining zro2 - ni nanocrystalline composite powder by reducing the zro2 - nio powder. xrd, x - ray wide - angle diffractometer, bet, sem, tem, hrtem analyses are used to study the zro2 - ni nanocrystalline composite powder and zro2 - ni cermet. the sintering temperature is determined
本研究的zro _ 2 - ni納米復合粉末的制備方法如下:將鎳鹽、鋯鹽、穩定劑和溶劑(水)按所需成分配成混合溶液,再將混合溶液、外加劑和氨羧絡合劑按比例混合形成溶膠,溶膠經乾燥成為凝膠,凝膠經預燒得到zro _ 2 - nio納米粉,將該氧化物粉還原得到zro _ 2 - ni納米復合粉。In addition, the effective combination technologies of ultrasonic, microwave, alternating current deposition, supercritical fluid drying with traditional liquid methods is the most promising one to prepare high purity, small size and well - proportioned dispersing nano - particles
而超聲技術、微波輻射技術、交流電沉積技術、超臨界流體乾燥技術、非水溶劑水熱技術等新技術與傳統液相法的有機結合,是制備高純度、小粒徑、均勻分散的金屬氧化物納米粉體的最有前途的方法。Testing of fat liquors and greases for leather ; methods of analysis, determination of the content of water vapor volatile, not with water miscible solvents
皮革用油和脂的檢驗.分析方法.不能與水混合的溶劑水Each product is noted from 1 to 4 according to its solubility in the cleaning solvent ( water ) : this data is available in the literature
每個產品按其在清潔溶劑(水)中的溶解度分為4級:這些數據都可在文獻中找到。分享友人