酸基離子 的英文怎麼說
中文拼音 [suānjīlízi]
酸基離子
英文
acid ion-
Such complexes might have affinity for detrimental inorganic oxyanions such as arsenate, a common toxic contaminant in soils. the purpose of this study is to investigate the influence of environmental conditions on the adsorption of arsenate on fe - oxyhydroxide - monlmorillonte complexes, which is significant to agrology, geochemistry and environmental science
本研究即以南方的土壤環境條件為參考,模擬在ph = 5時的酸性氧化條件下,土壤中低聚合羥基鐵?蒙脫石復合體的形成、物化性特徵及其吸附砷酸根陰離子的行為。The preparation method of methyl 1 - naphthylacetate catalyzed by sulphuric acid, hydrochloric acid, chlorosulfonic acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, aluminium chloride, ferric sulfate, aluminium sulfate, titanium sulfate, sodium bisulfate monohydrate, solid super acid, heterpoly acid, support heterpoly acid, composite titanate and p - toluene sulfo - chloride etc. catalyst were reviewed
摘要評述了硫酸、鹽酸、氯磺酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、三氯化鋁、硫酸鐵、硫酸鋁、硫酸鈦、一水硫酸氫鈉、固體超強酸、雜多酸、固載雜多酸、復合鈦酸酯和對甲苯磺酰氯等催化劑催化合成1 -萘乙酸甲酯的方法。The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed
摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed
摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、二水氯化銅、五水四氯化錫、十二水合硫酸鐵銨、一水硫酸氫鈉、硫酸氫鉀、殼聚糖硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁酯的方法。Catalytic synthesis of diisoamylester maleate with toluene - p - sulfonic acid, amino - sulfonic acid, strongly acidic cation exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate ; ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, solid super acid and heteropoly acid was reviewed
摘要綜述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、十二水合硫酸鐵銨、水硫酸氫鈉、固體超強酸和雜多酸催化合成馬來酸二異戊酯的方法。Spectrophotometric determination of bromate by decolouring methyl orange
甲基橙退色光度法測定飲水中溴酸根離子Synthesis and characterization of mixed ligands complexes of coper ions with amino acid
銅離子與氨基酸混配合物的合成The rate of the coordination reaction between divalent metal ions and murexide in a water - in - oil microemulsion was determined by spectrophotometric technique to study the transport of the metal ions entrapped in the organogel formed by cationic surfactant cetyltrimethylammonium bromide
以微乳液中二價金屬離子與紫脲酸胺之間的配位反應為指示反應,採用分光光度技術,研究了金屬離子在由陽離子表面活性劑十六烷基三甲基溴化胺構建的微乳凝膠中的傳質問題。The nitrate ion has four fundamental modes of vibration.
硝酸離子有四個基頻形式。Glyceryl stearate se, dimethicone, stearic acid, batyl alcohol, carbomer, acrylates / c10 - 30 alkyl acrylate crosspolymer, xanthan gum, potassium hydroxide, camellia japonica seed oil, behenyl alcohol, hydrogenated palm oil, morigna pterygosperma seed oil, disodium edta, trifolium pratense ( clover ) flower extract, propylene glycol, phenoxyethanol, theanine, bis - behenyl / isostearyl / phytosteryl / dimer dilinoleyl dimer dilinolate, thermus thermophillus ferment, glycerin, sodium dehydroacetate, potassium sorbate
水溶液、丁二醇、鯨蠟辛酸、甘油、硬脂酸酸甘油酯、矽靈、硬脂酸、膠狀基質、丙烯酸脂、黃原膠、氫氧化鉀、山茶種子油、脂肪酸醇類、氫化棕櫚油、辣木種子萃取物植物添加物、離子鉗合劑、紅三葉草萃取物、丙二醇、苯氧基乙醇、單寧、植物甾醇、脫氫醋酸鈉、山梨酸鉀。Through the analyzing the macro - structure to micro - structure, the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion, and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca, hinders the dissolve of hemihydrate. formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group, which also retards the formation and growth of crystallization center
通過宏觀到微觀的分析,筆者認為,檸檬酸的緩凝作用的原因主要在於檸檬酸與鈣形成絡合離子,影響了二水石膏晶體的晶核長大過程;多聚磷酸鈉與鈣形成某種復鹽,對于石膏晶體的溶解、成核和長大過程均有強烈的阻礙影響;骨膠則在於膠體對半水石膏的包裹和活性基團的化學吸附,使二水石膏晶體的成核和長大困難。Poly ( methacrylic acid ) ( maa ) and poly ( acrylic acid ) ( aa ) microgels have been prepared as templates by employing inverse emulsion polymerization techniques. four types of spherical organic - inorganic nano - composites have been prepared by introduction of precipitation agent into the pmaa / paa microgels containing appropriate rate metal ions
本課題開展了兩個模板體系的研究,即分別以丙烯酸( aa )和甲基丙烯酸( maa )為聚合單體,利用反相乳液聚合方法合成了幾種包埋有不同金屬離子的高分子微凝膠。By observing the effect of acidity on the uv difference spectra of ehpg or hbed, the spectral characteristics of apoovotransferrin binding to metals and anions at ph 7. 4 show that the reaction of apoovotransferrin with metals is related to deprotonation of the phenolic group of tyrosine of the metal binding sites, while the binding of apoovotransferrin to anions is associated with the protonation of the phenolic group of tyrosine of the anion binding sites
摘要通過觀察酸度對模擬轉鐵蛋白小分子ehpg和hbed紫外差光譜的影響,結合脫鐵伴清蛋白與金屬離子、陰離子結合的光譜特性,推斷脫鐵伴清蛋白與金屬離子的結合導致金屬離子結合位點處酪氨酸酚羥基的去質子化,而與陰離子的結合導致陰離子結合位點處酪氨酸酚羥基的質子化。The chemical compositions of sei films formed on the interfaces of a3000 samples in different electrolytes during the first charging process are mainly li2co3 and lioco2r, but their textures are different. the sei films formed in ec - based electrolytes are thin and compact, which can prevent the solvated lithium ions from cointercalating between two graphene layers of the graphite crystallites effectively, therefore samples a3000 have small irreversible capacities and good compatibilities with this kinds of electrolytes. however, the sei films formed in pc - based electrolytes are thick but defective, which could not effectively prevent solvated lithium ions from intercalation, therefore sample a3000 shows large irreversible capacities in pc - based electrolytes and bad compatibilities with this kind of electrolytes
A _ ( 3000 )試樣在六種不同的電解液中,首次充電過程中所形成的sei膜,其化學組分均為碳酸鋰和烷基碳酸鋰,但在ec基電解液中形成的sei膜薄而緻密,可以有效地阻止溶劑化鋰離子插入石墨層間,不可逆容量少,表現出與a _ ( 3000 )試樣有良好的相容性;在pc基電解液中形成的sei膜厚,且有缺陷,不能有效地阻止溶劑化鋰離子嵌入試樣中石墨微晶的層間,不可逆容量大,與a _ ( 3000 )試樣的相容性極差。Together with “ free ” hydroxyl ions already present in solution, these hydroxyls are titrated with protons ( acid ), to a thermometrically determined endpoint
游離的烴基離子存在於溶液中,用質子(酸)就滴定這些烴基離子,出現了一個溫度測量的終點。This is attributed to the stabilization of the excited state of intermediate of luminol by the interaction with the positively charged pee modified layer
荷正電的聚乙烯亞胺修飾分子與魯米諾激發態3 -氨基鄰苯二甲酸陰離子間靜電相互作用而導致的激發態穩定性增加;對魯米諾分子的電化學發光的增強起著關鍵作用。Ammonium chloride is rapidly absorbed from the gastro - intestinal tract. the ammonium ion is converted in urea into the liver ; the anion thus liberated into the blood stream and extracellular fluids causes a metabolic acidosis and decreases the ph of the urine ; this is followed by a transient diuresis
氯化銨能迅速地從胃腸道被吸收。在肝臟氨鹽基離子被轉換成尿素,陰離子因而被解放入血液和細胞外流體導致代謝性的酸中毒,使尿液變酸,形成短暫的多尿。They have different properties from montmorillonite and fe oxyhydroxides such as larger specific area, different surface potential, etc. under the acidity, temperature and other conditions ( initial arsenate concentration, ion strength, duration of adsorption ) simulated to that of soil in tropical and sub - tropical area, the adsorption of arsenate on the prepared fe - oxyhydroxide - montmorillonite complexes were conducted
在參考實際土壤ph值和離子強度的條件下,分別以ph值、砷初始濃度、離子強度、吸附時間、吸附溫度為影響因素,進行了低聚合羥基鐵?蒙脫石復合體、蒙脫石原樣及水合氧化鐵吸附砷酸根離子的對比實驗;並用正交實驗方法,進一步研究了上述因素對復合體砷吸附能力的相對影響程度。The borohydride reducing reagent supported by the strong acid cation exchange resin was prepared by the strong acid cation exchange resin reacting with sodium borohydride. the reductive ability of the resin reducing the carbonyl compounds is strong, so the yields are generally pretty high ( 51 % ?
用強酸型離子交換樹脂與硼氫化鈉作用制備了強酸型離子交換樹脂支載的硼氫化還原劑.探討了在不同溶劑中制備的還原樹脂的還原能力;應用於還原羰基化合物時有良好的產率( 51 % ?So far, most related researches and achievements have showed that acid rain has certain impact on functions of a soil ecosystem. such as leaching of soil base - exchangeable ions, heavy metals and microelements, nitrogen, contents of sulfur and phosphorus nutrients, soil acidification, population and activities of soil microbes, soil buffer capacity, soil sensitivity to acid rain, soil structure and weathering status of soil minerals, and so on
現有的大量研究表明,酸雨對土壤生態系統的功能特性,包括土壤的鹽基離子以及重金屬與微量元素的淋溶、土壤營養、土壤酸化、土壤微生物數量及其活性、土壤緩沖性能、土壤對酸雨的敏感性、土壤結構、土壤礦物風化等方面均會產生一定的影響。分享友人