錫化合物 的英文怎麼說
中文拼音 [xíhuàgěwù]
錫化合物
英文
tin compounds-
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。Zt - 209 : butyltin mercaptide compound
硫醇丁基錫化合物Nano indium, tin oxide etc. particles / polymer composite was studied. high transparence and electromagnetic shielded efficiency are asked. the transparency of organic glass is good, but it is nonconductor and has no shielded efficiency
大課題採取無機-高分子納米復合技術路線,研製氧化銦、氧化錫等金屬氧化物納米粒子丙烯酸酯類聚合物納米復合材料,要求高透光、高電磁屏蔽。Electrocatalytic oxidation and detection of phenols at stannic oxide modified carbon fiber electrode
酚類化合物在二氧化錫微粒修飾碳纖維電極上的氧化及檢測In those studying works, nano - composites of polymer were prepared for electromagnetic screening and transparent in military electronic units 、 apparatus 、 weapon equipments, electronic cabinets, to keep communications secrets for important offices 、 laboratory, designing technologic routes of inorganic nanoparticle / nano - composites of polymer, nano - stannum oxide, nano - indium stannum oxide were prepared
本課題的研究針對軍用電子元器件、部件、武器裝備、方艙、通信保密、重要辦公室、實驗室需要透明同時防電磁波泄露的需求,採取無機/高分子納米復合技術路線,研製納米氧化錫、氧化銦錫/丙烯酸酯類聚合物納米復合材料。They were used as efficient lewis acid catalysts for esterification reactions of carboxylic acids with alcohols to afford corresponding saturated esters with 87 % ~ 98 % yields and unsaturated and tertiary ones with 90 % ~ 94 % and 54 % ~ 68 % yields, respectively
結果表明,該有機錫化合物是合成酯的優良催化劑,產品收率高,飽和一元羧酸酯的收率為87 % ~ 98 % ,對不飽和羧酸酯和空間位阻大的叔醇酯也能得到較滿意的收率,分別為90 % ~ 94 %和54 % ~ 68 % 。Application of microwave - assisted extraction technique in speciation analysis of organotin, organoarsenic and organomercury compounds
微波輔助萃取技術在有機錫砷汞化合物形態分析中的應用The synthesis, characterization and biological activity of organotin halides containing silicon
含硅混合烴基鹵化錫的合成與結構表徵及生物活性The gel by sodium alcoholate method, added benzoylacetone, have the obvious uv absorption peaks at 265nm and 337nm respectively. when the gel was placed in air, the chelate did n ' t have change. the absorption peak decreased until disappeared when the films were irradiated by the ultraviolet light with the relevant wavelength, which indicated that the films were obviously photosensitive
( 4 )通過三種方法制備感光性的sno _ 2 : sb ( ato )溶膠,採用醇鈉法,添加苯酰丙酮制備的二氧化錫凝膠膜,在265nm和337nm處存在明顯吸收峰,空氣中放置,所形成的螯合物不發生變化,用相應波長的紫外光照射時,這個吸收峰會減小直至消失,表明薄膜具有良好的感光性。Lactide were investigated. the key factors affecting the polymer intrinsic viscosity were found to be monomer recrystallization times, stannous octoate concentration and polymerization time. the thermal stabilizing agent did not significantly affect the polymer molecular weight. the polymer with a viscosity average molecular weight beyond 200000 was fairly reproducible by optimizing the polymerization conditions. it was found that poly
單體重結晶次數辛酸亞錫濃度聚合時間等條件均是影響聚合物特性粘數的重要因素。熱穩定劑對聚丙交酯的分子量幾乎沒有影響。優化聚合條件可以獲得粘均分子量大於200000的聚丙交酯材料,聚合結果具有良好的重復性。The catalysts could be easily filtrated from the reaction mixture and reused
有機錫化合物作為催化劑用量少,並能回收再利用。Water quality - determination of selected organotin compounds - gas chromatographic method
水質.選定的有機錫化合物的測定.氣相色譜法A more detailed review on application of gas chromatograph and its coupled techniques in the environment organo tin compounds analysis was presented in this paper
該文就氣相色譜及其聯用技術在環境中有機錫化合物的測定進行綜述。Methods of analysis of wood preservatives and treated timber - quantitative analysis of wood preservative solutions and treated timber containing n - butyltin compounds - determination of tributyltin, dibutyltin and monobutyltin
木材防腐劑和經過防腐處理的木材的分析方法.含n丁錫化合物的木材防腐液和經過防腐處理的木材的定量分析.三丁錫二丁錫和一丁錫含量的測定On the basis of electroplating and immersion plating tin, and through large numbers of experiments, a new process of electroless plating tin in acid chloride bath solutions including sncl2 2h2o, nah2po2 h2o, special complexing agent, additive agent, stabilizing agent and antioxidant, was established. continuous self - catalyzed deposition of tin on copper substrate was achieved successfully, and half - bright and silvery - white tin deposits with excellent properties were obtained
本文是在電鍍錫、浸鍍錫工藝配方的基礎上,通過大量的試驗,確立了一種以氯化亞錫、次亞磷酸鈉和特定的絡合劑、添加劑、穩定劑,抗氧化劑為基本鍍液組成的酸性氯化物化學鍍錫體系,成功地在銅上實現了錫的連續自催化沉積,獲得了性能優異的半光亮銀白色錫鍍層。Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers
文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔,分別獲得了高產率和高分子量的聚苯乙炔.使用uv , ir , nmr , gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究,詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現,不同聚合物結構對聚合物熒光性能產生很大影響,規整性高的聚合物,將有較高的發光量子效率;聚合物規整性差,將可能導致多個熒光發光結構點,其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息Tin chloride dihydrate
二氯化錫二水合物Deposition of additional thin layers of indium tin oxide and other compounds next to the electrodes altered the interaction of the thicker layers and also improved the efficiency of the injection of holes and electrons, thereby further upping the overall power efficiency of the fluorescent oled
將薄層氧化銦錫及其他化合物附置在電極旁,可以改變厚層間的交互作用,並改善電洞及電子的注入效率,因而可以進一步增加螢光oled的整體用電效率。Lead and its compounds may be found in products such as batteries, lead - based paints, lead - containing ceramics, lead solder and leaded petrol
鉛及其化合物可使用於電池油漆陶瓷鉛錫焊接及汽油的添加劑上。分享友人