查詢詞典 alkanes
- 與 alkanes 相關的網絡例句 [注：此內容來源于網絡黄色视频在线观看福利，僅供參考]
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The activation and utilization of alkanes is one of the important aspects in the field of catalyzin...
烷烴的活化和利用是催化發(fā)展的重要方向之一日本熟妇裸交ⅩXX视频全过程，活化烷烴分子往往需要酸性載體與金屬復合的雙功能催化劑的參與。
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The relationship between the refractive index and molecular structure of 81 alkanes was studied by quantitative structure-property relationship method.
運用定量結構－性質相關技術研究了81個烷烴分子的折光指數與分子結構間的定量關系激情中文字幕图片区小说区。
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Selective oxidation of methane and light alkanes is one of the most challenging problems in terms of heterogeneous catalysis and surface s...
甲烷和低碳烷烴選擇性氧化是多相催化和表面科學領域最具挑戰(zhàn)性的前沿研究課題之一特级婬片双飞欧美。
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Selective oxidation of methane and light alkanes is one of the most challenging problems in terms of heterogeneous catalysis and surface science.
甲烷和低碳烷烴選擇性氧化是多相催化和表面科學領域最具挑戰(zhàn)性的前沿研究課題之一。
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The effects of reaction temperature and solvent on alkanes catalytic oxidation and the reusable of heterogeneous catalyst are also investigated.
本文還考察了反應溫度和溶劑效應對烴類均相及非均相催化氧化反應的影響以及非均相催化劑的重復使用性能97视频人人摸。
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Because of alkanes'stability, the activation and transformation of them require very harsh conditions.
由于其穩(wěn)定性国产三级视，烷烴的活化與轉化需要相當苛刻的條件，且選擇性較低狼狠亚洲综合狼狼久久，生產成本較高国产A及黄色视频。
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Based on molecular topological theories, two topological indices of 64 alkanes were calculated respectively.
根據分子拓撲理論，采用兩個拓撲指數精品日韩精品手机在线观看，計算了64個烷烴的氣相色譜保留指數值久久国产热。
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Alkanes are the main constituents of oil and natural gas, and consequently are the principal feedstocks for the chemical industry.
鏈烷是油和天然氣的主要成分，并且從而是化學工業(yè)的主要原料国产精品视频人人做人。
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Under these conditions for optimum growth, the degradation rate experiments on different initial concentrations of alkanes are carried out.
在最適生長條件下亚洲天堂最新狠狠干，分別對不同初始質量濃度烷烴進行降解率試驗。
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Analysing datas of domestic and oversea, this paper discusses the use of alkanes and PAHs in the source analysis.
分析了國內外的資料亚洲黄色片免费看，并結合幾年來對北京地區(qū)的研究成果，討論了飽和烴日韩国产欧美在线一区二区三区、多環(huán)芳烴等有機污染物在源解析方面的應用久久精品免费视频小说。
- 推薦網絡例句
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However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.
然而，正如其名字所指出的那樣国产精品一二三四五，CD盤不能寫色色一区二区三区，也不能用任何方式改變其內容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
鍍鋅鋼托盤多用于出口18以下勿进色禁网站免费看，替代木托盤黄色片一级a片，免薰蒸，符合歐盟亚洲色图欧美性爱二区、北美各國對出口貨物包裝材料的法令要求欧美精品一二三四区0；噴涂鋼托盤適用于重載上貨架之用，托盤表面根據需要制作成平板狀国产迷奸免费看、波紋狀及間隔形式韩国三级HD中文字幕叫床，滿足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可從您的 ERP 系統上傳到我們的電子銀行系統來只是國內及對海外各種幣種付款www.18黄。