The present invention relates to the depolymering cyclization reaction of aromatic dithio ether polymer to prepare aromatic cyclic dithio ether compound under the presence of mercapto group containing compound and alkali matter.

本發(fā)明涉及利用芳香雙硫醚聚合物的解聚成環(huán)反應(yīng)來制備芳香雙硫醚環(huán)狀化合物的方法。該方法采用芳香雙硫醚聚合物在含巰基的化合物和堿性物質(zhì)存在的條件下發(fā)生解聚成環(huán)反應(yīng)生成雙硫醚環(huán)狀化合物激情视频小说理论。

In order to find high active pesticide containing heterocycle, six novel terephthaloyl bisthioureas containing 1, 3, 4-thiodiazole were synthesized by the reaction of 2-amino-5-alkyl-1, 3, 4-thiodiazoles with terephthaloyl diisothiocyanate.

摘 要：為尋找高活性的含雜環(huán)農(nóng)藥欧美特一级AAAAA禁片，由中間體5-烷基-2-氨基-1， 3欧美性爱XX多精久久， 4-噻二唑與對苯二甲跞毡綼网址；惲蚯杷狨シ磻?yīng)欧美一区二区日日屄，合成6種新的含1www.shyeze.com， 3， 4-噻二唑環(huán)的對苯二甲?8神马午夜；p硫脲化合物Ⅲaf日韩成人丝袜在线视频。

In order to find high active pesticide containing heterocycle, six novel terephthaloyl bisthioureas Ⅲ(subscript a-f containing 1,3,4-thiodiazole were synthesized by the reaction of 2-amino-5-alkyl-1,3,4-thiodiazoles with terephthaloyl diisothiocyanate.

為尋找高活性的含雜環(huán)農(nóng)藥，由中間體5-烷基－2-氨基－1老嫖客精品视频在线播放，3可以免费看黄的网址，4-噻二唑與對苯二甲蹙啪臗片一级黄片；惲蚯杷狨シ磻?yīng)，合成6種新的含1欧美激情免费性爱，3丝袜人妻无码中文字幕综合网，4-噻二唑環(huán)的對苯二甲酰基雙硫脲化合物Ⅲ色色色色香蕉。

Result The results showed that its components were quite complex, and 89 organic compounds were identified. There were 72 kinds of oxygen-containing organic compounds which included esters, phenols, aethers, ketones and alcohols in the depolymerization product, small amounts of alkanes, alkenes, arenes, thiophenol and nitrogen-containing organic compounds were also detected, which showed that characteristics of the product with high oxygen content, low nitrogen and sulphur content.

結(jié)果］超臨界乙醇解聚產(chǎn)物成分十分復雜欧美一区二区中出视频，GC/MS分析鑒定出89種有機化合物，其中72種為含氧化合物日韩乱子伦免费视频，主要有酯女生小穴自慰网站、酚、醚国产图片大全综合视频、酮和醇等女生被操出白浆视频，還檢測出少量烷烴、烯烴欧美精品观看视频免费、芳烴自慰网站、苯硫酚和含氮化合物，反映了解聚產(chǎn)物的高含氧量和低含氮硫量的特性樱桃视频iosapp。

Two benzothiazole ester compounds containing boron with different alkyl chain, Di-n-hexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester (BNS-1) and Dicyclohexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester(BNS-2), were synthesized and their tribological performance as additives in rapeseed oilwas investigated using a four-ball testing machine.

合成了兩種含不同烷基鏈的含硼苯并噻唑酯類化合物4455vs永久亚洲，即二正己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-1)和二環(huán)己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-2)。

The oxidant 〓 plays indirect role in dissolving gold, and mainly controls the mix potential of Au in the alkaline thiourea solution. In which the "mix potential"is the decisive factor affecting the dissolution of gold. The reaction driving force is enough to have formamidine disulfide oxidize Au to Au〓 at the potential of about 0.4V. And then thiourea molecular complexes with Au〓 ion soon, which causes the fast dissolution of gold in the alkaline thiourea media. The dissolved weight of gold in 0.25 M thiourea solution with 0.05M Na〓SO〓 and 0.1M 〓 of pH 12. 5 by air at the temperature of 303K is 7. 8mg·cm〓 within 1hr.

在堿性硫脲溶金過程不起直接作用毛片高清无码在线，而是通過S〓O〓來控制二硫甲脒有效形成的金在溶液中的混合電位国产二级三级精品；&混合電位&是影響堿性硫脲溶液溶金與否的決定性因素，在0.4V左右欧美久草黄色网站三级片，有足夠的推動力致使二硫甲脒氧化Au成Au〓国产wwwjizz，隨后硫脲與Au〓絡(luò)合形成穩(wěn)定的絡(luò)離子Au〓，從而使金快速溶解美国午夜精品久久热；溫度為303K女人一级在线免费观看视频、pH為12.5時，在含0.05MNa〓SO〓黄片在线高清免费看、0.1M 〓及0.25M硫脲的溶液中www色色com，鼓入空氣，金的溶解量在1hr內(nèi)為7.8mg·cm〓视频日韩最新无码迅雷下载；銅只有微量溶解人摸人操人人超碰，銀、鎳日韩男女你懂的在线观看、鐵則幾乎不溶解4444色视频在线。

Sulfur isotope measurements of deposits such as those in the 1.1 Ga Duluth Complex, the Per-mo-Triassic intrusions of the Noril'sk area, and the 1.4 Ga Kabanga intrusions provide evidence for the derivation of S from both sulfide-and sulfate-bearing country rocks. The 1.3 Ga Voisey's Bay deposit provides an example where δ^34 S values of the ores commonly fall within the accepted mantle range of 0±2‰, but detailed studies of Proterozoic metasedimentary country rocks show that their weighted average δ^34 S value is also within this range.

如1.1 Ga的Duluth雜巖、Noril'sk地區(qū)二疊－三疊紀侵入巖和1.4 Ga的Kabanga侵入巖體中礦床的硫同位素測定結(jié)果證明硫來自含硫化物和硫酸鹽的圍巖。1.3 Ga的Voisbey's Bay礦床礦石的硫同位素δ^34 S值通常落入公認的地幔硫同位素組成范圍(0±2‰)內(nèi)网站黄a片国产，而對其元古宙變質(zhì)沉積圍巖進行的詳細研究結(jié)果顯示δ^34 S的平均值也在此范圍日本少妇的性爱视频。

Sulfur isotope measurements of deposits such as those in the 1.1 Ga Duluth Complex, the Per-mo-Triassic intrusions of the Noril'sk area, and the 1.4 Ga Kabanga intrusions provide evidence for the derivation of S from both sulfide-and sulfate-bearing country rocks. The 1.3 Ga Voisey's Bay deposit provides an example where δ^34 S values of the ores commonly fall within the accepted mantle range of 0±2‰, but detailed studies of Proterozoic metasedimentary country rocks show that their weighted average δ^34 S value is also within this range.

如1.1 Ga的Duluth雜巖、Noril'sk地區(qū)二迭－三迭紀侵入巖和1.4 Ga的Kabanga侵入巖體中礦床的硫同位素測定結(jié)果證明硫來自含硫化物和硫酸鹽的圍巖欧美性爱8。1.3 Ga的Voisbey's Bay礦床礦石的硫同位素δ^34 S值通常落入公認的地幔硫同位素組成范圍(0±2‰)內(nèi)https://1.igao73.com，而對其元古宙變質(zhì)沉積圍巖進行的詳細研究結(jié)果顯示δ^34 S的平均值也在此范圍。

The catalytic transformation pathway can change to decrease the yield of hydrogen and yield methyl-contained sulfides such as methyl mercaptan, dimethyl sulfide and dimethyl disulfide, but overlarge concentration of methanol would holdback the transformation of isobutyl mercaptan. The transformation of isobutyl mercaptan was favorable if the volume ratio of methanol and benzene was 0.2.The addition of methanol assume certain effect on the catalytic cracking of di-n-butyl sulfide in solvent benzene but without changing the cracking reaction mechanism of di-n-butyl sulfide.

甲醇也可以使異丁硫醇的催化轉(zhuǎn)化路徑發(fā)生改變降低硫化氫的產(chǎn)率天天久久国产精品电影网，生成甲硫醇成人人操、甲硫醚及二甲基二硫化物等含甲基硫化物，但甲醇的濃度過高會抑制異丁硫醇的轉(zhuǎn)化8人人操，在反應(yīng)體系中當甲醇的體積占到溶劑苯體積的20%時對異丁硫醇的轉(zhuǎn)化較為有利国内自拍露脸在线视频；甲醇的添加對丁硫醚在溶劑苯中的催化裂化有一定影響，但沒有改變丁硫醚的裂解反應(yīng)歷程美女牲交一级a片免费。

According to the research of Pb isotopic, the metallogenetic material mainly originated from the Permian basalts; the study of sulfur isotopic find that the sulfur of the basalt-type copper deposits and carbonaceous sedimentary interlayers-type copper deposits originated from both Permian basalts and evaporate of sedimentary section, S in bauxitic mudstone-type copper deposits originated from evaporate of sedimentary layers.

研究區(qū)三種類型銅礦的鉛同位素示蹤研究欧美性爱高清一区，成礦物質(zhì)主要來自于鄰近的二疊紀玄武巖；硫同位素研究結(jié)果顯示永久福利影院，玄武巖型銅礦和含碳沉積巖夾層型銅礦中的硫有兩種來源：二疊紀玄武巖和蒸發(fā)巖中的硫日韩一级无码AV毛片免费并入；而鋁土質(zhì)泥巖銅礦中的硫主要來源于沉積地層中蒸發(fā)巖的硫。