甲堿 的英文怎麼說
中文拼音 [jiǎjiǎn]
甲堿
英文
methine-
Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying
摘要以精製棉、氯乙酸、氫氧化鈉和過氧化氫為原料，經過堿化、醚化、洗滌、乾燥，制得羧甲基纖維素鈉。Meanwhile adopting two - step process of viscosity - decreasing method, i. e. adding hydrogen peroxide during the process of basification and abstersion to decrease the viscosity of alkaline cellulose, as a result the sodium carboxymethyl cellulose with ultra low viscosity was obtained
同時，採用二步降粘法，在堿化及洗滌過程中加入過氧化氫，以降低纖維素鈉的粘度，制得超低粘度的梭甲基纖維素鈉。Studies on the structure optimization of bis - schiff base deri ved from 4 - amino - antipyrine and 1, 4 - benzenedialdehyde and spectra properties of the ligand with co
氨基安替比林縮對苯二甲醛雙希夫堿的結構優化及其與鈷離子作用的光譜研究Basic dimethyl hqlogenated arsine
堿式鹵化二甲胂Bethanechol is of value in certain cases of postoperative abdominal distention and gastric atony or stasis.
氨甲酰甲膽堿對于術后腹脹和胃張力缺乏或停滯的某些病例有效。2 how dose betaine affect dna - methyltransferase
甜菜堿如何影響dna甲基轉移酶的活性Bethanechol is still used as a stimulant of the smooth muscle of the gastrointestinal tract and, particularly, the urinary bladder.
氨甲酰甲膽堿仍用作胃腸道平滑肌的興奮劑，特別是用作膀胱平滑肌的興奮劑。Six quaternary ammonium tetraphenyl borates salt photobase generators were synthesized with the use of p - methoxy phenacylmethylene or 2 - naphthoymethylene as chromophore, and triethylene diamine, pyridine or 3 - methyl pyridine as tertiary amine
摘要以對甲氧基苯乙酮、萘乙酮生色團為母體、雜環叔胺三亞乙基二胺，吡啶， 3 -甲基吡啶和四苯硼鹽為原料，合成了6種四苯硼季銨鹽光產堿劑。Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )
摘要以金雞納生物堿中的辛可寧為原料，氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性季銨鹽，並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。Standard test method for pyridine bases in cresylic acid by direct titration
直接滴定法測定甲苯基酸中吡淀堿的標準試驗方法The result showed the content of hup. a in h. crispate was higher than that in h. serrata written in literature. the content of hup. a varied in different samples
皺邊石杉中石杉堿甲在不同的季節內含量變化不大：石杉堿甲在皺邊石杉中的含量以春季含量最高。The methods of determination of huperzine a, farrerol, and the total content of flavonoids in h. crispate were established. the relationships between the main constituents and the environment and seasons were studied
建立了皺邊石杉中石杉堿甲、杜鵑素、總黃酮含量測定方法，並研究它們與環境及季節的關系。3 relationship between main constituents and growth environment of h. crispate : the content of quick - acting potassium of the soil at the growing site was the positive correlating factor that correlates with the hup. a in the plant
0統計軟體進行數據處理，結果顯示： 1 ）皺邊石杉中石杉堿甲含量與年平均溫度呈負相關、與土壤中速效k的含量呈正相關。The factors influencing on the performance of ash - jd such as the moore ratio of monomers, the reaction temperature and time, concentration, the ph value of reaction solution and the drippy speed of formaldehyde were studied carefully. through experiments, the optimum level of those factors was gained
論文詳細研究了反應單體的摩爾比、反應溫度、時間、濃度、反應溶液的酸堿度及甲醛的滴加速度等對產品ash - jd性能的影響，通過試驗，得到了這些因素的最佳水平。Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid ， methylacrylic acid ， esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water ， anti acidity or bascity and brightness in the products of same type
以丙烯酸、丙烯酸酯、甲基丙烯酸、甲基丙烯酸酯等作為基料，在引發劑的存在下，以水或醇作溶劑進行聚合，加入苯乙烯、醋酸乙烯等改性，合成了3種不同的水溶性丙烯酸改性樹脂，並對其性能進行了測定.結果表明：這3種樹脂的粘度、水溶解性、乾燥后膜的吸脹性、抗酸堿性、光亮度等性能均優于同類產品Yh series inorganic gel can be used alone. or mix use with thickening agent such as cardoxymethyl cellulose, hydroxy ethyl cellulose, cmhpc, will acquire best rheological property. it has been found that this kind of product should avoid mix using with the polyurethane thickening agent
2 . yh系列水性膨潤土無機凝膠產品可單獨使用或於其它增稠劑如羧甲基纖維素，羧乙基纖維素，甲基纖維素及其改性物，堿溶漲丙烯酸類等配合使用，能夠使體協獲得最佳流變性能。( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime
（ 3 ）用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物，與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜，制備了一種苯並蒽酮schiff堿光化學傳感器，可用於單質碘的測定。Synthesis and characterization of transition metal complexes with a schiff base ligand derived from glyoxal and o - aminobenzoic acid
乙二醛鄰氨基苯甲酸希夫堿過渡金屬配合物的合成和表徵The methods - three dimension fabric - enforced laminates, and sparse fabric - enforced laminates, layer - enforced laminates ? to enhance the interlaminar toughness of fabric - reinforced laminates were discussed in this paper. the stitching method to enhance interlaminar toughness of stitched - laminates was mainly discussed in this paper based on our research and experiment. the middle - alkali glass fabric used as enforced - material with thickness of 0. 2mm, 3 section 600 deniner kevlar yarn is used as stitching thread in this research, which improved lock stitching way and different kinds of stitching mode were adopted
以提高層合板復合材料的層間斷裂韌性（能量釋放率）為目標，採用中堿玻璃布為增強材料，對疊層后的玻璃布，採用凱芙拉縫合線、改進的鎖型縫合方法、不同的縫合工藝進行了縫合；基體採用的是不飽和樹脂，固化劑為過氧化甲乙酮，促進劑為環烷酸鈷液；在室溫下採用真空輔助rtm （ resigntransfermolding ）成型固化方法，製作了不同縫合工藝的玻璃布增強復合材料層合板。Both high temperature and high humility are beneficial to formation and accumulation of nornicotine during yellowing
去甲基煙堿含量烤后較烤前增加，而且變黃期高溫、高濕均有利於去甲基煙堿的形成和積累。分享友人