環硫化合物 的英文怎麼說
中文拼音 [huánliúhuàgěwù]
環硫化合物
英文
episulphide-
7 brana m f , cacho m , gracia m a. synthesis, antitumor activity, molucular modeling, and dna bing properties of a new series of imidazonaphthalimides, j. med. chem. 2002, 45 : 5813
4上官國濤,王寧,朱軍. ?甲基? ?雜環酰胺基乙基鍺倍半硫化物的合成和抗癌活性研究.數理醫藥學雜志, 2004 , 17 ( 4 ) : 357So the inve stigations of rempi in different systems have comprehensive value in basic field or applied field. in recently years, the photodissociation of sulfur and carbon contained polyatomic molecule has been attracted much attention because these species play a key role in atmospheric physics, environment pollution and ecological preservation
對含硫、碳化合物的研究在大氣物理、環境污染、生態維護和生產應用中具有重要的作用,因此含硫、碳氫化合物的光解離動力學研究受到了較多關注。Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
環氧化合物,環硫化合物和乙烯亞胺也可以按類似於環氧離子的機理進行聚合。The recent application of thionly chloride in organic synthesis is reviewed, mainly focusing on the preparation of chlorinated compounds, alkenes, esters, amides, nitriles, cyclic sulfites and sulfinyl chlorides
綜述了近年來氯化亞碸在有機合成中的應用進展,主要涉及氯代化合物、烯烴、酯及酰胺、腈、環式亞硫酸酯、亞磺酰氯等化合物的制備。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。This paper reviewed new progress of biosensor applying to environmental monitoring, including detection of arsenide, sulphide, insecticide and herbicide ' s remains, on - line monitoring of wastewater quality, measurement of bod and ammonia nitrogen, detection of phenol and odorous compounds, as well as monitoring of air and exhaust gas
摘要綜述生物傳感器應用於環境監測的最新進展,包括對砷化物、硫化物和殺蟲劑及除草劑殘留物的檢測,對廢水水質的在線監側,對bod和氨氮的測定,對酚類和有氣味的化合物的檢測以及對大氣和廢氣的監測等方面。In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年,沉積物監測包括分析61種物理及化學參數,其中有粒子大小電化學勢有機污染促使沉積物缺氧,而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物,是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。In this paper, the structures and the synthesis methods of glycosyl isothiocyanates are summarized, including the application as intermediates in the preparation of glycosylthioureas, glycosylheterocycles, glycosylguanidins and glycosylconjugates and so on
本文對糖基異硫氰酸酯的結構、制備方法,以及作為中間體在糖基硫脲、糖基雜環、胍基糖苷、糖基綴合物等重要化合物的合成中的應用作了較詳盡闡述。These glycosaminoglycan ( gag ) chains are long, linear carbohydrate polymers that are negatively charged under physiological conditions, due to the occurrence of sulphate and uronic acid groups
這些粘多糖( gag )鏈是長條線狀的碳水化合物聚合體,在正常生環境下,由於硫酸根和糖醛酸根的存在而處于負電位。Based on the method of fuzzy mathematical comprehensive evaluation, this paper assesses the quality of atmosphere in wuhan with selecting so2, no2 and pm10 as evaluation factors, consulting the standards relevant to atmosphere environment and building the attaching function and the weight muster
摘要運用模糊綜合評判的方法,選取二氧化硫、二氧化氮和可吸入顆粒物作為評價因子,參照我國環境空氣質量標準,通過建立各污染物的隸屬函數和權重集,計算出各污染物的隸屬度和權重分配系數,進而對武漢市空氣質量進行模糊綜合評判。Coal - char pyrolysis, firing, burnt and limestone calcination under o _ ( 2 ) / n _ ( 2 ) oro _ ( 2 ) / co _ ( 2 ) atmosphere were carried on a thermobalance. limestone calcination and sulfuration under o _ ( 2 ) / co _ ( 2 ) atmosphere were tested on a bench scale fluidized bed facility. the characteristics of coal combustion and pollutant emission under o _ ( 2 ) / n _ ( 2 ) or o _ ( 2 ) / co _ ( 2 ) atmosphere were experimented on a circulating fluidized bed multi - function test - facility
在熱天平上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤焦熱解、著火與燃燼反應動力學及石灰石煅燒分解特性研究;在小型流化床試驗臺上進行石灰石在o _ 2 / co _ 2氣氛下的煅燒與硫化反應特性研究;在設計、搭建的循環流化床多功能綜合試驗臺上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤燃燒特性與污染物排放規律研究。Syntheses of fifteen 1, 3 - oxathiolane likes flavoring compounds
氧硫雜環戊烷類香料化合物的合成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。The influence of thiadiazole derivative on oil corrosion behavior
硫氮雜環化合物對油品腐蝕性能的影響Procedures for the preparation of isothiocyanates were synthesized in this paper. the applications of isothiocyanates in the heterocyclic synthesis and biotechnology were introduced
摘要本文綜述了異硫氰酸酯的實驗室制備方法,並介紹了其在雜環化合物合成及生物技術等方面的應用。The mitochondria isolated from four different tissues of u. unicinctus can oxidize sulfide and produce atp at the same time. sulfide - stimulated atp production fluctuates as the sulfide concentration and the source of mitochondria change
本研究還證明來自單環刺?不同組織的線粒體能夠以硫化物為唯一底物合成atp ,硫基atp合成能力因硫化物濃度和來源不同而異。Air quality ; determination of gaseous sulfur compounds in ambient air ; sampling equipment ; identical with iso 4219 : 1979
空氣質量.環境空氣中氣態硫化合物的測定.取樣設備分享友人