芳族環 的英文怎麼說
中文拼音 [fāngzúhuán]
芳族環
英文
aromatic ring-
Uses : used as desizing agent and bleach activator ; used in the oxidation and degradation of waste materials in pools and the closed and circling water ; used in modification of starch, production of bonds and coating materials ; used in the oxidation of alcohol and linalool ; used as an essential component of bleaching formulations for hair cosmetics
用途:用於脫漿劑和漂白活性劑;用於水池及封閉循環處理水中有害物質的氧化降解;是生產澱粉的調節劑,並應用於粘合劑的塗料生產中;用於支鏈氧化、乙醇和芳香族羥基氧化;染發劑的基本成分之一,起脫色作用。Pah poly cyclic aromatic hydrocarbon
發動機的多環芳香族碳氫化合物排放物Decontamination works for heavy metals and pah are carried out on site
針對重金屬及多環芳香族碳氫化合物物質的除污工作是在施工地盤內進行的。Incense is burnt in many chinese homes and polycyclic aromatic hydrocarbons have been recovered from incense smoke.
很多中國人家裡點香,香的煙中已經發現有多環芳香族碳氫化合物。Pcah polycyclic aromatic hydrocarbons
多環芳香族碳氫化合物Heterocylic aromatics such as pyridine and pyrimidines also give a somewhat similar set of bands in the 1600 cm region.
雜環芳香族結構類如吡啶、嘧啶類化合物在1600厘米1(625微米)區域也有相似的一組譜帶。Methods of test for petroleum and its products - determination of polycyclic aromatics in unused lubricating base oils and asphaltene free petroleum fractions - dimethyl sulphoxide extraction refractive index method
石油和石油產品試驗方法.第102部分:未用的潤滑基油和不含瀝青烯的石油餾分物中多環芳香族環烴的測定.二甲硫析取物折射指數法The inclusion behaviors of b - cyclodextrin with some aromatic amino acids such as l - phenylalanine, l - tyrosine and l - tryptophan were studied via ultraviolet and fluorescent spectrometry. the results indicated that inclusion complexes of - cyclodextrin with aromatic amino acids could be formed and the inclusion behaviors were affected by the amount of - cyclodextrin, temperature and ph value
本文研究了?環糊精與芳香族氨基酸l ?苯丙氨酸、 l ?酪氨酸和l ?色氨酸之間的包合作用,考察了?環糊精用量、溫度、時間和ph值等因素對包合作用的影響。The 1 : 1 inclusion complexes of - cyclodextrin with phenylalanine and tyrosine were formed ; but 2 : 1 complex was afford from - cyclodextrin with tryptophan owing to the various sites and chaps of different amino acids. the inclusion behaviors of - cyclodextrin and its polylactide - garfted copolymer with insulin were also studied via ultraviolet and fluorescent spectrometry
隨著?環糊精用量的增加和作用時間的延長, ?壞糊精對芳香族氨基酸的包合作用增強,揭示了?環糊精與芳香族氨基酸包合物在水溶液中的形成是一動態平衡過程。Immersion service in aromatic or ketone solvents and strong oxidizing acids
不宜在芳香族和酮類溶劑以及強氧化性酸的浸泡環境中使用。The results showed that in scco2 cyclotrimerization of terminal acetylenes was carried out smoothly to regioselectively afford the corresponding benzene derivaties using pdbr2 as the catalyst
研究結果表明:二氧化碳介質中使用溴化鈀為催化劑可以順利地催化炔烴發生環三聚反應,區域選擇性生成含苯環芳香族化合物。The polymer ic effects of polylactide - garfted copolymer of - cyclodextrin, including cooperation effect, neighboring effect and polymer chain effect were discussed
總之, ?環糊精與這三種芳香族氨基酸之間的包合是多種因素協同作用的綜合效果。It was observed that the inclusion complexes of 3 - cyclodextrin and its polylactide - garfted copolymer with insulin could be formed and the inclusion behaviors were affected by the amount of 3 - cyclodextrin, temperature as well as ph value. the formation mechanism of the supramolecular systems between 3 - cyclodextrin and insulin was the similar to that between 3 - cyclodextrin and the above - mentioned aromatic amino acids. because of the three - dimensional structure of insulin and the exterior polar groups of its aggregates, the molecular recognition and inclusion of 3 - cyclodextrin with insulin were hindered
由於受主客體之間的尺寸匹配性的影響, ?環糊精與這三種芳香族氨基酸形成了不同包合比的包合物, ?環糊精分別與l ?苯丙氨酸和l ?酪氨酸形成了1 : 1的包合物,而與l ?色氨酸卻形成了2 : 1的包合物,各包合物的穩定常數也有所不同。Aerospace ; aromatic polyamide aramid ; woven filament fabric prepreg from high - modulus filament yarn and epoxy resin ; technical specification
航空航天.芳族聚酰胺.第2部分:由高模數長絲紗線和環For the project " reclamation works in north tsing yi ", some of the contaminants found within the site are classified as carcinogenic, eg. some heavy metals, pah and polychlorinated biphenyl ( pcb )
至於「北青衣區填海工程」 ,在施工地點發現的污染物中有一些可被歸類為致癌物質,例如一些重金屬,多環芳香族碳氫化合物及多氯聯苯。It will melt in a certain range of melting points, but it has no definite melting point. soft pitch has no thermal effect when solidified
瀝青組分極為復雜,大多數為三環以上的芳香族烴類,還有含氧、氮和硫等元素的雜環化合物和少量高分子炭素物質。For the project " central reclamation phase iii ", there are carcinogenic substances ( eg. some heavy metals and organic polyaromatic hydrocarbons ( pah ) ) identified in the dredged materials
關于「中區填海第三期」 ,我們在挖出的物料中發現一些致癌物質(例如一些重金屬及多環芳香族碳氫化合物) 。Abstract : the density of the organic matter, the composition of each group constituent, the composition and distribution characteristics of the saturated hydrocarbons and pahs in the air - borne dusts in beijing municipality are analyzed
文摘:對北京石景山地區大氣中有機質濃度、各族組成及其飽和烴、多環芳烴的組成和分佈特徵進行了分析。The study on polycyclic aromatic hydrocarbons in barbecued meat is reported to the legco panel on food safety and environmental hygiene
向立法會食物安全及環境?生事務委員會匯報有關燒烤肉類含多環芳香族碳氫化合物的研究結果。分享友人