烷化劑 的英文怎麼說
中文拼音 [wánhuàjì]
烷化劑
英文
alkyl agent-
Abstract : the reaction conditions, catalysts of selective oxidation of propane to acrolein and the mechanism of acrolein formation were reviewed
文摘:論述了丙烷選擇氧化制丙烯醛催化反應的反應條件、催化劑和丙烯醛生成機理等方面的研究進展。The advance of chiral phosphate - ester ( phosphonate - ester ) [ phosphoramides ( phosphonyl - amide ) ] in asymmetric alkylation reaction, aldol reaction, hydrogenation reaction, cyanosilylation reaction was reviewed with 48 references
討論了手性膦(磷)酰胺及膦(磷)酯酯催化劑在不對稱烷基化、不對稱縮合、不對稱氫化、不對稱氰矽化等反應中應用的最新研究進展。參考文獻48篇。Alkanes are resistant to attack by oxidizing agents generally.
烷烴一般對于氧化劑的作用是穩定的。Isobutane alkylation with butene on s o24 - zro2 superacid catalysts
2固體超強酸催化劑上異丁烷與丁烯烷基化的研究Regeneration of alumino - phosphate solid acid catalyst in alkylation
磷鋁固體酸催化劑在烷基化反應中再生性能的研究Bimetallic - oxo alkoxides catalyst
氧橋雙金屬烷氧化物催化劑In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design
摘要採用1 , 2 -丙二醇、正丁醇和環氧氯丙烷為原料,在相轉移催化劑的作用下反應,通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。Development of catalysts for preparation of cyclohexanone by cyclohexane oxidation
環己烷氧化制環己酮催化劑研究進展A bottom layer of nickel catalyst was provided to promote the endothermic reaction of steam and methane.
底層鎳催化劑促進蒸汽和甲烷的吸熱反應。Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride
常州濤峰化工有限公司座落在江蘇國際塑化城,是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產的產品的銷售窗口,主要經營產品:甲苯、純苯、二甲苯、辛醇、乙酸乙脂、乙酸丁脂、硅油、二苯胺、雙聚丁二酰亞胺、苯三唑衍生物、異丙醇胺、乙醇胺、烷基二苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋酸、氯橋酸酐、氯苯、雙聚環戊二烯、降冰片烯二酸酐等。The current situation of utilizing isobutane and isobutylene in china were introduced, the reaction mechanism, reaction process and types of catalyst for preparing isobutylene via dehydrogenation of isobutane were narrated emphatically
摘要介紹我國異丁烷和異丁烯資源的利用現狀,重點對異丁烷脫氫制備異丁烯的反應機理、反應流程和催化劑類型進行了論述。Finally, based on summarization of development status on catalyst for isobutylene preparation from isobutane through dehydrogenation, the suggestion was given that the great effort should pay to the development, utilization reasonably of abundant isobutane resource in china
最後,通過對我國異丁烷脫氫制異丁烯催化劑開發現狀的總結,指出我國應大力合理開發利用豐富的異丁烷資源。Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride, the optimum technology parameters were obtained : mole ratio was 1 : 1. 15 for hydroquinone and isobutylene, mass ratio was 100 : 20 for hydroquinone and catalyst, and the reaction temperature was 100 5
摘要用環烷酸鈷與氯化鋅復配的新型催化劑,以鄰苯二酚、異丁烯為原料合成對叔丁基鄰苯二酚,通過正交實驗確定的較佳工藝參數為:鄰苯二酚:異丁烯(物質的量比) 1 : 1 . 15 ,鄰苯二酚:催化劑(質量比) 100 : 20 ,烷基化反應溫度100 5 。The hydrocarbon diperchlorate products have utility as detonatable sensitizers for explosives and alkylating agents.
二過氯酸烴基酯產物可用作起爆藥的敏化劑及作為烷化劑。Evidence - based treatment of alkylating agents for idiopathic membranous nephropathy with nephrotic syndrome
烷化劑在1例特發性膜性腎病合併腎病綜合征的循證應用Monofunctional alkylating agent n - methyl - n ' - nitro - n - nitrosoguanidine ( mnng ) is a widely spread environmental mutagen and carcinogen that targets dna and proteins to generate adducts. among the adducts, o6 - alkyl guanine is the predominant mutagenic lesion because of its mispairing properties, which can eventually lead to chromosomal aberrations, point mutations, and cell death. this lesion also appears to be involved in tumor initiation, particularly in gastric carcinogenesis
單功能烷化劑n -甲基- n -硝基- n -亞硝基胍( mnng )是一種在環境中廣泛存在的化學誘變劑和致癌劑,它能和dna及蛋白質等生物大分子形成加合物( adduct ) ,其引起的與突變有關的主要dna損傷類型是o ~ 6 -甲基鳥嘌呤,這種損傷與腫瘤尤其是胃癌的發生密切相關。Mms, a kind of dna - damaging agent, predominantly methylates ring nitrogens of pyrine, leading to dna double - strand breaks, point mutation and so on
甲磺酸甲酯( methylmetbanesulfonate , mms )是一種能夠損傷dna的烷化劑,主要使dna嘌呤堿基上的o 、 n甲基化,造成dna雙鏈斷裂、點突變。Therefore, it is important to study the profiles of gene expression, which will help understand the global cellular stress responses to chemical carcinogens, and further elucidate the mechanisms of nontargeted mutagenesis
所以,從整體上研究烷化劑作用后細胞基因表達譜改變,對于了解化學致癌物誘發的哺乳動物細胞應激反應的全貌和揭示非定標性突變的發生機制具有非常重要的意義。In contrast, most mature somatic cells in human tissues express undetectable or low telomerase activity, implying the existence of a stringent and negative regulatory mechanism. in this study, we report the effects of cisplatin on telomerase activity in human ovarian cancer cells. the special relationship between activity and cancer has a important application value
順鉑( ddp )是卵巢癌化療中最有效的基礎藥物之一,它是一種類烷化劑的抗腫瘤藥物,為細胞周期非特異性藥物,可作用細胞周期的任一時相,利於臨床的聯合用藥,但由於ddp的諸多毒副作用及卵巢癌細胞易產生對其耐藥性,常使化療效果不滿意。In our laboratory, a unique mutation detection system using a shuttle vector plasmid has been established to demonstrate that a low concentration of mnng ( 0. 2 m ) can induce nontargeted mutation in mammalian cells : the mammalian cells were exposed to 0. 2m mnng for 2. 5h, then a shuttle plasmid pz189 carrying supf trna gene was transfected into cells after 24h culture. we found a 5 - fold higher mutation frequency of the plasmid replicated in pretreated cells than the spontaneous mutation frequency of the plasmid replicated in control cells. this kind of mutation did not occur immediately after mnng exposure
我們實驗室曾用一特殊的突變檢測系統,直接證明dna損傷劑可在哺乳動物細胞誘發非定標性突變:首先用低濃度( 0 . 2 m )的短壽烷化劑mnng (半壽期為1 . 1hr )處理細胞2 . 5h后,繼續培養24h ,將重組有用作突變檢測的靶基因supftrna基因的穿梭質粒pz189轉入細胞復制,發現在未受致癌物直接攻擊的穿梭質粒中有較自發突變率高5倍以上的靶基因突變。分享友人