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- Diphenyl ether is used as solvent and azeotropied with water. 利用聯(lián)苯醚作為溶劑,與體系的水分進(jìn)行共沸回流,達到充分脫水的目的。
- Purification of diphenyl ether by crystallization without solvent is discussed. 用無(wú)溶劑結晶法純制二苯醚,該方法具有高效、經(jīng)濟和潔凈的特點(diǎn)。
- The paper describes the synthesis of modified diphenyl ether resin and preparation of GRP laminates. 本文介紹了一種改性二苯醚樹(shù)脂的合成及其玻璃布層壓板的制備方法,并對其性能進(jìn)行了全面測試。
- The paper reviewed the synthesis and production of the surfactant -dodecyl diphenyl ether sodium disulfonate. 介紹了十二烷基二苯醚二磺酸鈉的合成及生產(chǎn)情況。
- The reaction of benzene alkylation with long chain olefin and diphenyl ether (DPE) alkylation with olefin are two important industrial reactions. 苯與長(cháng)鏈烯烴烷基化反應制得的直鏈烷基苯、二苯醚與烯烴烷基化反應生成的烷基二苯醚是兩類(lèi)重要的工業(yè)反應中間體，它們經(jīng)進(jìn)一步的磺化、中和過(guò)程生產(chǎn)的烷基苯磺酸鹽和烷基二苯醚磺酸鹽是優(yōu)良的陰離子表面活性劑，是現代合成洗滌劑工業(yè)產(chǎn)品中的主要成分。
- Besides, the synthesis of diphenyl ether, diphenyl oxadiazole, diphenyl amine and aza-bis(oxazolines) is also discussed. 另外，還討論了苯甲醚類(lèi)、二聯(lián)苯惡二唑類(lèi)、聯(lián)苯胺類(lèi)與氮雜類(lèi)等新型雙惡唑啉配體的合成。
- A method for simultaneous determination of residues of 9 diphenyl ether herbicides in cereals and oilseeds by GC-MS was presented. 利用氣質(zhì)聯(lián)用(GC-MS)技術(shù)建立了糧谷與油籽中9種二苯醚除草劑多殘留同時(shí)檢測的方法。
- Through the property test, the result shows that the laminates with the diphenyl ether modified by benzoxazine are better than that by phenol. 實(shí)驗結果表明,采用苯并口惡嗪改性二苯醚樹(shù)脂制備的玻璃布層壓板,其工藝性?xún)?yōu)于苯酚改性二苯醚樹(shù)脂,且成本較低。
- Polybrominated Diphenyl Ether. 六種物質(zhì).
- In the reaction of diphenyl ether alkylation with 1-dodecene, reaction conditions: DPE : 1-dodecene = 5, 343K, normal pressure, the conversion was above 67% and the selectivity of mono-alkyl diphenyl ether was 100%after 2 hours. 在催化二苯醚與1一十三烯的烷基化反應實(shí)驗中，最佳操作條件 為常壓下323K反應2小時(shí)，反應轉化率達到84%25以上，單取代產(chǎn)物選擇性
- This thesis includes two sections:the synthesis of unnatural aromatic amino acids and the synthesis and physics properties of amido diphenyl ether disulfonates Gemini surfactant:1. 本論文包括兩個(gè)部分：非天然氨基酸的合成與表征和雙子表面活性劑的合成與性質(zhì)研究。
- Dodecyl diphenyl ether disulphonate solution 十二烷基聯(lián)苯醚二磺酸酯溶液
- sodium hexadecyl diphenyl ether disulfonate 十六烷基二苯醚二磺酸鈉
- dodecylated diphenyl ether disulfonate 十二烷基二苯醚二磺酸鹽
- decabrominated diphenyl ether (BDE -209) 十溴聯(lián)苯醚（BDE-209）
- decabrominated diphenyl ether (BDE-209) 十溴二苯醚
- fatty acyl amino diphenyl ether sulfonic acid 脂肪?；被矫鸦撬?/li>
- These Regulations shall not apply to the applications of lead, mercury, cadmium, hexavalent chromium and polybrominated diphenyl ethers listed in Schedule 2. 2006年7月1日前投放市場(chǎng)的電氣電子設備的維修備件或再使用，這些規定不適用；
- Polybrominated diphenyl ethers (PBDEs) as flame retardants in polymeric materials for fire safety of home products are new global environmental pollutants. 摘要多溴聯(lián)苯醚(PBDEs)作為阻燃劑廣泛用于家庭消費品中，是正在受到全球關(guān)注的新環(huán)境污染物。
- The compounds such as diphenyl ethers,cyclic imides,pyrazoles,etc.were involved.The synthesis methods of some compounds and where they came from were also introduced. 文中涉及二苯醚類(lèi)、環(huán)亞胺類(lèi)、吡唑類(lèi)等多類(lèi)需光性除草劑，并介紹了部分化合物的開(kāi)發(fā)過(guò)程及合成方法。
