酸不溶性物 的英文怎麼說
中文拼音 [suānbùróngxìngwù]
酸不溶性物
英文
acid-insoluble matter-
It is white crystal powder, odorless and slightly bitter ; hardly soluble in ethanol, chloroform, aether and benzene and soluble in solutions whose ph value is less or more than 7
本品在水中易溶,在乙醇、丙酮、氯仿或乙醚中幾乎不溶。本品為兩性化合物,能溶於酸性溶液或堿性溶液。Properties : white light powder, insoluble in water but soluble in ethanol and aether. absorbs moisture from the air. decompounds into stearate and calcium when meeting strong acid
物理性能:硬脂酸鈣,為白色輕質粉末,不溶於水,溶於熱的乙醇和乙醚,在空氣中吸收水分,遇強酸分解成硬脂酸和相應的鈣鹽。Benedict ' s solution is an alkaline solution of copper ( ii ) sulfate, which is reduced to insoluble copper ( i ) oxide by reducing sugars, giving a red precipitate
本尼迪克特溶液是硫酸銅(二價)的堿性溶液,它可以通過還原糖被還原為不溶性的銅(一價)的氧化物,產生紅色的沉澱物。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; 42. in order to deeply probe into the influence of crosslinked degree on er properties and expediently characterize the structure of the supramolecular complex, six hydrosoluble - cyclodextrin polymer / 3 - hydroxy - 2 - naphthoic acid er particles were synthesized. fluorescence analysis conformed that all the polymers can form 1 : 1 type supramolecular complex with the guest
為了進一步考察交聯度對電流變效應的影響,並便於超分子配合物顆粒的結構表徵,制備了6種不同交聯度的水溶性-環糊精聚合物,以3 -羥基- 2 -萘甲酸為熒光探針探討了不同交聯度超分子配合物的組成、穩定性及熒光性質。Based on this point, our aim to obtain the high performance materials should be carried out as well as the er behavior be actualized through the chemistry design. in this paper, 4 supramolecular complexes of - cyclodextrin inhydrosoluble polymer / l - ( 2 - pyridlazo ) - 2 - naphthol, 6 hydrosoluble - cyclodextrin polymer / 3 - hydroxy - 2 - naphthoic acid, 2 - cyclodextrin - starch resins and 6 supramolecular complexes of - cyclodextrin - starch copolymer / substituted salisylic acid and 3 - hydroxy - 2 - naphthoic acid er particles were prepared, respectively. the structure of these particles was characterized by ir, nmr, uv - vis, the fluorescence analysis, element analysis, and etc, respectively
在本項研究中,分別制備了4種不溶性-環糊精聚合物及其與1 - ( 2 -吡啶偶氮) - 2 -萘酚構築的超分子配合物、 6種水溶性-環糊精聚合物及其與3 -羥基- 2 -萘甲酸的超分子配合物、 2種-環糊精澱粉樹脂及6種-環糊精澱粉共聚物與取代水楊酸、 3 -羥基- 2 -萘甲酸形成的超分子配合物顆粒,通過紅外光譜、熒光分析、元素分析、電子吸收光譜及核磁共振譜等對它們的結構進行了表徵。Cementitious capillary crystalline waterproofing coating ( abbreviated ccwc ) is a new type of cement - based waterproofing materials, which is characterized by its very good adhesive performance and impermeability to water, self - rehabilitating ability, permanent waterproofing effect, good aging resistance and corrosion resistance, simple construction method and harmless to hunman etc. ccwc consists of ordinary portland cement, quartz sand and reactive substances and other supplementary ingredients, whose reactive substance can permeate into the internal part of concrete structures through water and produce insoluble crystals filling capillary pores or crack of the concret through reaction with cement hydrates and unhydrates
水泥基滲透結晶型防水材料是以硅酸鹽水泥或普通硅酸鹽水泥、石英砂等為基材,摻入活性化學物質而組成的一種新型防水材料。摻入的活性化學物質以水作載體向混凝土內部滲透,與混凝土中未水化的水泥及部分水泥水化產物發生結晶反應,生成不溶於水的結晶體,堵塞毛細孔道,使混凝土緻密、防水。這種防水材料具有粘結力強、抗滲性能好、自愈合能力強、防水效果持久、耐老化、耐腐蝕、易施工、對人類無害等特點。Character pvp - i is the complex of pvp and iodin has quite strong killing effect to bacteria, virus, epiphyte, mildew and spore, steady, no stimulate, all dissolve in water
性質:白色或近白色,具有吸濕性易流動的粉末,無臭或微臭,不溶於水堿酸及常用有機溶劑,具有很強的膨脹性能和與多類物質的絡合能力。Properties : white light powder with specific specific gravity of 1. 095, soapy, insoluble in water, but soluble in organic solvent such as hot ethanol, benzene and terebinth etc. and decompounds into stearate and zinc when meeting strong acid
物理性能:硬脂酸鋅,為白色輕質粉狀,比重1 . 095 ,有滑膩感,不溶於水,溶於熱的乙醇、苯和松節油等有機溶劑,遇強酸則分解為硬脂酸和相應的鋅鹽。The metabolite is soluble in water and insoluble in the organic solvent such as methanol, can be precipitated by acid, is positive with ninhydrin reaction and is considered as a kind of peptide
此物質溶於水,不溶於甲醇,可被酸沉澱,茚三酮反應為陽性,初步推斷此活性物質為多肽類物質。This paper stuffed with twelve important grain and vegetable crops, studied the injury symptom, dose reaction, injury threshold value and influential factor of main pollutant so2 on various plants, tested the dynamic transformation of pod, cat, mda, soluble protein, free pro and chlorophyll of resistant plant and sensitive of these physiological biochemical transformation with plant resistant ability. meanwhile, simply studied the protective role of the five compounds on plant. the result indicated the followings
本實驗以12種重要的糧食和蔬菜作物為研究對象,研究了主要大氣污染物二氧化硫( so _ 2 )對不同植物的傷害癥狀、劑量反應、傷害閾值以及影響因素,測定了抗性和敏感植物在受到so _ 2污染后植物體內過氧化物酶( pod ) 、過氧化氫酶( cat ) 、丙二醛( mda ) 、可溶性蛋白質、游離脯氨酸和葉綠素的動態變化,並分析了這些生理生化變化和植物抗性的相互關系,同時還對5種化合物溶液對植物的保護作用進行了初步研究,結果表明: 1Therefore, changes in compositions and levels of several biochemical substances, including cuticular hydrocarbon, pteridine, protein and uric acid during growth and development of some common species of necrophagous flies were measured and analyzed, and then the potential of using change patterns in those biochemical substances as age indicators in necrophagous flies was discussed
為此,本文特對不同種屍食性蠅類生長發育過程中表皮碳氫化合物、蝶啶、血淋巴可溶性蛋白和尿酸等的變化規律進行了較系統的測定分析,進而分析了這些變化規律用於幼蟲、蛹或成蟲日齡推斷的可行性及推斷方法。Under that condition the strain can produce the most concentration of the bioactive compounds. the physical and chemical properties of the actibacterial compounds have been studied, the results showed the bioactive substance has heat stable, acidity and weakly alkali stable. it can be dissolved in acid water, chloroform solvent, can not be dissolved in ethyl acetate, petroleum ether, alkali water. the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light. the paper chromatography demonstrate the bioactive substance may be a new construct compounds
研究表明,該活性物質具有較強的熱穩定性, ph 9的條件下能穩定存在,但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失;活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水;薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點;由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素,可能為一新的抗菌活性物質。The radish red by the mustard family plant party loyalty radish after squeezing, filters, withdraws, the vacuum concentration, spray drying but, assumes the scarlet red indefinite powder, the easy absorption of moisture, after the absorption of moisture to form massive, but does not affect the use effect, the taste micro acid, is easy to dissolve in the water, does not dissolve in the absolute ethyl alcohol, serves as the food coloring, is suitable in the acidic drink, the luster bright, is transparent, general amount used 0. 02gkg
蘿卜紅由十字花科植物紅心蘿卜經壓榨、過濾、提取、真空濃縮、噴霧乾燥而得,呈深紅色無定型粉末,易吸潮,吸潮后結成塊狀,但不影響使用效果,味微酸,易溶於水,不溶於無水乙醇,用作食用色素,適用於酸性飲料,色澤鮮艷、透明、一般用量0Methods of test for orthoboric acid boric acid, diboron trioxide boric oxide, disodium tetraborates, sodium perborates and crude sodium borates for industrial use - determination of matter insoluble in alkaline medium and preparation of test solutions of crude sodium borates
工業用硼酸氧化硼四硼酸二鈉高硼酸鈉與粗硼酸鈉的試驗方法.粗硼酸鈉在堿性介質中不溶物測定和試驗溶液制備6. the ratio of acidic amino acids to basic amino acids is high in all of the spongy body, acid - sm and acid - ism. there are high contents of glycine ( gly ) and serine ( ser ), which are usually related to the function of framework in the mineralization
6 、氨基酸分析表明酸性氨基酸含量較高,與鈣的吸附有關, gly和ser在背盾和不溶性有機質中高,預示與文石形成相關的膠原和纖維蛋白物質含量高。There were 29 fat soluble constituents identified of which fatty acid methyl esters made up 99. 32 % ( 12. 36 % saturated fatty acid methyl esters and 86. 96 % unsaturated fatty acid methyl esters ) and 13 constituents had not been previously reported in other studies
共鑒定29種脂溶性成分,其中脂肪酸甲酯化產物佔99 . 32 % (其中飽和脂肪酸甲酯為12 . 36 % ,不飽和脂肪酸甲酯為86 . 96 % ) , 13種成分在火麻仁脂溶性成分的研究中未見報道。Qwy acid soluble temporary blocking agent is made of carefully chosen natural mineral material, which is processed into serial products of different grain - size distribution according the pore throat characteristics of different reservoirs. it can better match the pore throat along with the reservoir, and at the same time achieve better results of bridged temporary plugging as a result. 1
Qwy酸溶性暫堵劑是以天然礦物為主要原料經過篩選精製而成,在生產過程中根據各種儲層孔喉特徵,加工成具有不同粒度分佈的系列產品,使其與儲層具有更好的孔喉匹配性和更強的橋架暫堵效果。Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極,用掃描電鏡對陽極塗層顯微形貌進行分析,通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同,塗層顯微形貌表現出很大差異,這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外,銥鉭鈦金屬氧化物陽極在海水中的消耗率很低,屬于不溶性的陽極材料,作為外加電流陰極保護用輔助陽極具有廣泛的應用前景分享友人