試劑反應物 的英文怎麼說
中文拼音 [shìjìfǎnyīngwù]
試劑反應物
英文
reagent- 試 : 名詞(古代占卜用的器具) astrolabe
- 劑 : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 試劑 : [化學] reagent; agentia; analoids試劑廠 chemical reagent works
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Abstract : this article reviews recent progress in nucleophilic reactions of the - carbon in vinylidene ruthenium complexes. the nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc
文摘:綜述了近幾年釕亞乙烯基絡合物中間體-碳的親核反應。親核試劑包括烯烴、炔烴、醇、酸、胺、水等。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。In order to improve the performance of the maleic anhydride - co - acrylamine copolymer water - reducing agent, the copolymer is monoesterified with the polyethylene glycols. the fluidity of the esterified copolymer has been increased 60 %, and it has good retarding performance
通過對不同條件下得到的共聚物的酯化產物的性能的測試得到初始中和度、引發劑用量、反應物濃度、反應溫度與酯化產物性能的關系。Borohydride which supported by strongly basic ion exchange resin reduced phseseph giving polymer - supported phenylselenide anion. it reacted with, - unsaturated aldehyde or epoxide to produce corresponding selenide. respective conditions were studied also
強堿型離子交換樹脂支載的四氫化硼與二苯聯硒反應,得到載體化的苯硒陰離子試劑,它與, -不飽和醛及環氧化物反應,生成相應的硒醚.對各自的反應條件也進行了探討A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid
利用六偏磷酸鈉作為穩定劑,通過控制反應物的濃度及比例,制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的量子尺寸效應,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。Chinese title, english title, author, the affiliation and address of the first author, journal title, publication year, volume, issue, page, publication type, check tag, history of medicine, grant type, subject headings, classification code, language, chinese abstract, english abstract, animal variety, dosage forms, pharmacology of chinese herbs, pharmacology, name of disease, diagnosis standard, pathogenesis, trial type, treatment of disease, name of drug and formula, chemical name of medicines, english name of medicines, ingredients and dosage of formula, drug compatibility, usage and dosage, acupuncture and tuina points, acupuncture and tuina manipulation, side effect, therapeutic effect guideline, result of cure, materia medica, chemical structure, physical and chemical properies, effective component, chinese medicine identification, method of processing, pharmaceutical techniques, medicinal action and pharmacological effect, pharmacokinetics, and toxicology
中文文題、英文文題、作者、第一作者單位、第一作者所在地、期刊名稱、出版年、卷、期、頁碼、文獻類型、特徵詞、醫學史、資助類型、主題詞、關鍵詞、分類號、語種、中文文摘、英文文摘、動物品種、劑型、中藥藥理、西藥藥理、疾病名稱、診斷標準、疾病機理、試驗方法、疾病治療、藥名方名、化學藥名、英文藥名、組成劑量、藥物配伍、用法用量、針推穴位、針推方法、不良反應、療效指標、療效結果、藥材學、化學結構、理化性質、有效成分、中藥鑒定、炮製方法、制藥工藝、藥物作用與藥理效用、藥代動力學、毒理學。This approach has shown particular promise with the cobalt ( iii ) - salen - catalyzed hydrolytic kinetic resolution of chiral epoxides, a highly selective reaction of interest because of the versatility of epoxides as precursors to pharmaceutically important targets
因為多功能性的環氧化合物在醫藥上是重要目標分子的前體,這個方法在高選擇性反應- -鈷( iii ) -沙林試劑催化的手性環氧化合物的水解動力學拆分上特別引人注目。Crosslinking reagents such as glutaraldehyde ( 26, 27 ), the simplest form, may offer stable coupling of the immunoreactant to the membrane surface
交聯試劑如戊二醛,最簡單的結構,可使免疫反應物在膜表面穩定聯結。This paper proposed a convenient way for producing disulfides, along which disulfides can be readily prepared in moderate to good yields via the reduction of alkylthiocyanates by the low - valent titanium reagent in thf at 0
在四氫呋喃、 0反應條件下,低價鈦試劑能容易地還原硫氰酸酯生成相應的二硫化物,得到中等至良好的產率This article confirmed the grafting efficiency of starch grafted to acrylic acid and the structure of starch and its grafted matter through the separation, purification and analysis tests to the grafted copolymer and the grafted forked - chain matter produced from the process of this reaction ; and deduced the formula of the velocity of such reaction mentioned above with a calculated result of the apparent activation energy in this reaction by the curve showing the relationship among the consistency of starch, monomer and initiator and the velocity of the grafting copolymerization
摘要對澱粉接枝丙烯酸所得接枝共聚物及接枝側鏈物進行分離提純和分析測試,確定了其接枝效率並表徵了澱粉及其接枝物的形態結構;通過分別測定接枝共聚反應速率與澱粉、單體、引發劑濃度的關系曲線,確定了該接枝共聚反應的速率關系式;推算出了反應的表觀活化能。Although the development of relatively non - toxic immunosuppressive or tolerance - inducing regimens will be required to justify clinical trials using pig organs, recent advances in our understanding of the biology of xenograft rejection and zoonotic infections, and the generation of alpha1, 3 - galactosyltransferase - deficient pigs have moved this approach closer to clinical application
盡管用豬的器官進行臨床試驗尚有賴于相對無毒的免疫抑制劑或致耐方法的發展,但是我們在異種移植排斥反應及豬源人畜共患病等方面生物學知識的進步,以及1 , 3半乳糖轉移酶缺陷豬的產生,已經使異種移植離臨床應用更近了一步。B ) the concept of ratio of conversion ; c ) effect of temperature and residence time on tar conversion ratio ; increasing the temperature and residence time is beneficial to tar cracking, and the effect is not evidence when t > 900c and > 1. 0s d ) effect of cracking temperature on the tar conversion ratio with sic ; e ) effect of different catalyst on the tar conversion ratio ; some catalyst was test in the experimental system and dolomite is a most promising one
研究了生物質焦油含量隨熱解溫度和生物質原料的變化趨勢,提出了生物質焦油裂解率的概念、探討了不同條件(熱解溫度、停留時間)下熱裂解的效果和不同催化劑,不同反應條件下對焦油催化裂解效果的影響,催化劑在使用過程中由於積碳、中毒等原因會使得活性喪失,本文針對催化劑活性的喪失以及再生進行丁試驗研究和理論分析。The hemolymph immune reaction of american cockroach to the entomopathogenic fungus, metarhizium anisopliae isolate cqma102, which is broadly used in locust control, was studied in the research. the results will enrich our knowledge about insect immune mechanism and the insecticidal mechanism of entomofungus. they will also be the fundamental work for insecticide development
本研究以重要的室內蜚蠊種類? ?美洲大蠊( periplanetaamericana )為實驗材料,採用蜚蠊的非致病菌? ?金龜子綠僵菌( metarhiziumanisopliae ) cqma102菌株作為供試菌,較系統地研究了綠僵菌孢子進入蜚蠊體腔后(點滴和注射處理) ,蜚蠊血淋巴某些理化性質的改變、血淋巴的免疫反應以及蜚蠊的行為反應等,有助為研究昆蟲的抗病機理和生物殺蟲劑的殺蟲機理,同時也為生物殺蟲劑的開發提供了必要的基礎。After electrophorised on 1 % agarose gel, the pcr production was purified with agarose gel dna extraction kit. the segment was ligated with vector pmd18 - t and then was tranformed into the competent cell of dh5 a. a construction mstnd - pmd18t was generated by inserting the sequence of 254bp into pmd18 - t vector and selecting the sense clones. positive clone was identified by three ways : endonuclease digestion, pcr and sequencing. the result showed that the cloned sequence coincides with the designed sequence. this construction was digested with nco i and xho i and ligated the pet28a ( + ) vector digested with the same enzymes using dna ligation kit. the production of ligation reaction was transformed into the competent cell of bl21 ( de3 ). after 12 - 16 hours of culture, several colnes appeared on the plate. some positive clones were selected to extract their plasmid. these plasmids were digested by nco i and xho i and indentified by pcr. a contraction, mstnd - pet28a was generated. the result showed that the cloned sequence coincides with the designed sequence
F _ 1長38bp , r _ 1長36bp ,其它片段均40bp長, f _ 1和r _ 1片段兩端分別加上限制性內切酶nco和xho的識別位點序列。用成對單鏈片段進行延伸反應,然後用其他單鏈片段作為引物,進行pcr擴增,用dna快速純化回收試劑盒回收所得254bppcr產物,與pmd18 - t載體連接、轉化dh _ 5 。受體菌感受態細胞,利用藍白斑遺傳學篩選法篩選陽性克隆,提取其質粒,採用nco和xho雙酶切鑒定,獲得了254bp的片段;用pmd18 - t載體上的特異引物rv - m和m13 - 47進行pcr鑒定,獲得300bp的片段。In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method
作者首先在對反應器進行特徵分析的基礎上,建立了描述中試規模多級外循環流化床生物反應器流動特性的串級全混流模型,並對理論模型進行了模擬計算分析和討論,在此基礎上,作者分別在無循環和有循環(改變示蹤劑用量、流加流量和循環流量)的條件下,利用脈沖示蹤法對一到五級串聯外循環流化床反應器進行了停留時間分佈實驗,結果表明,在循環流量與流加流量的比值達到大於等於4時,中試規模多級外循環流化床反應器的流動特性接近串級全混流模型,通過數據回歸擬合的方法,建立了中試規模一到五級串聯外循環流化床反應器的流動模型。Pcr products were purified with qiaquick pcr purification kit, followed by sequencing using the big dye terminator cycle sequencing ready reaction kits used with amplitaq dna polymerase fs
以pcr純化試劑盒純化pcr產物,然後進行測序反應。測序在在dna測序儀( 377 )上進行。2 if doses sufficient to cause paralysis are administered to animals, then anaesthesia and artificial entilation will also be required, which may exert their own effects and so risk obscuring any toxic action
強效神經肌肉阻斷劑的毒性試驗代表了一種平衡,即在物質藥理作用增強的實驗性局限性和毒理學家想要用盡可能大的劑量以發現該物質任何潛在的能引起不合需要的反應之間的平衡。In general, two forms of combinatorial library synthesis exist, “ liquid - phase ” synthesis and “ solid - phase ” synthesis ; in the latter the chemistries are performed with one or more of the reagents attached to an inert solid support such as a bead or column
總體而言,有兩種形式的組合文庫合成, "液相"合成和"固相"合成,對後者來說,化學反應是與附在支持物(如:玻珠和柱子)上的一種或多種試劑發生的。( 2 ) the affecting factors such as components in precipitation process, the add - on, add on of precipitator, calination temperature and calination time were studied in the preparation process of ceo2 nanoparticles. the tg was used to analyze the processor, the xrd, sem and tem were used to characterize the size of crystal type of products. by a series of designed experiments the interaction between different factors and impacts on the preparation of ceo2 nanoparticles were probed, and the optimum preparation condition was gotten
( 2 )對納米二氧化鈰制備過程中可能的一些影響因素(反應組分的濃度,沉澱劑的加入量,焙燒溫度,焙燒時間等)進行了研究,並通過tg ? dta分析手段對前驅物進行熱重分析;用xrd 、 sem及tem等測試手段對產物的粒度和晶型進行分析;探索了各個因素對納米二氧化鈰制備的影響及各因素間的交互作用;確定了在該試驗條件下制備納米二氧化鈰比較優化的制備條件。Furthermore, the key microemulsion properties of interest are the size of the water cores, the average number of water cores, the average occupancy number of reactant ions per water cor
反應試劑離子的濃度對最終顆粒尺寸的影響次於水含量的影響,在水含量不變的情況下,當反應物離子濃度增加時,顆粒的直徑略有增加。分享友人