The multiphoton ionization mechanisms of hydrogen-bonded cluster systems: pyrimidine-〓 and pyridazine-〓 were studied using TOF mass spectrometer at 355 and 532nm laser.

本文利用355乱女伦一级A片接种，532nm波長的激光和TOF質(zhì)譜首次研究了嘧啶-甲醇（〓久青草视频精品线在线观看，pyrimidine-〓）以及噠嗪-甲醇（〓pyridazine-〓）氫鍵團簇體系的多光子電離機理欧美一级AAAAAAA大片。

For example, the ratio of pyrogenation will reach 90% at around 600℃, and we can get 1.8 mol hydrogen from one mol methanol.

溫度在600℃左右時，甲醇熱分解率達90%亚洲国产一二三在线观看无码唯美，每摩爾的甲醇可產(chǎn)生1.8摩爾左右的氫氣极品婬荡少妇XXXXX。

In this work, the potentials of the hyphenated HPLC-DAD-SPE-CryoNMR-MS techniques were demonstrated in characterization and structural elucidation using the complex extracts of rosemary ( Rosmarinus of ficinalis L.) as an example.

本文以迷迭香的兩種溶劑提取物（氯仿/甲醇=3/1和50%含水甲醇）作為模型樣品，通過分析其中的一些化學成分乱伦激情熟女网，展現(xiàn)了HPLC-DAD-SPE-CryoNMR-MS無縫聯(lián)儀技術(shù)在確定代謝物結(jié)構(gòu)方面的應(yīng)用潛力全网在线毛片网址。

As shown in previous studies Hibiscus sabdariffa L. is a nature plant containing a lot of pigments that was found to possess antioxidative activity.In this study, we evaluated the antioxidative activity of the Hibiscus anthocyanins by measuring their effects on LDL oxidation and anti-atherosclerotic abilities.

本實驗以乾燥洛神花為材料，以調(diào)酸的甲醇溶劑萃取其花青素欧美18XXOO视频在线喷水，發(fā)現(xiàn)甲醇萃取率為5％欧美孕交丰满熟妇XXXX性；純度測定約有85~95％，另以HPLC分析后發(fā)現(xiàn)其花青素主要分為兩類免费体验观看无码A片120秒，推測分別為delphinidin系及cyanidin系麻豆国产原创视频在线看，其花青素含量分別為3.7％及0.9％。

Two solvent systems which were MeOH -50% MeOH and 95% alcohol - water were studied by the content of salvianolic acid B and salviol ⅡA and the icon of Salvia miltiorrhiza Bge..

采用C18柱国产一伦一色一情，乙腈-0.35%冰醋酸溶液梯度程序洗脫8050网6080午夜，以丹參酮ⅡA和丹酚酸B含量為指標并結(jié)合圖譜，綜合考察甲醇-50%甲醇亚洲欧美日韩综合久久久久久、95%乙醇-水兩套溶劑系統(tǒng)提取丹參藥材的效果巨乳老熟女人人操人人爽人人操。

To synthesize the results of the research above, we found that the well result of the study on activities and detergency are extracted by methanol extracts. It had ability of antioxidant and anti-iflammatory activity on the biological activities. Sapindus mukorossi were surface activity well and stretched less damage on hair. It will raise application value of Sapindus mukorossi on cosmetics.

綜合以上之結(jié)果，甲醇萃取物為乾燥粉末可增加原料保存性www.madou.福利，且發(fā)現(xiàn)在生物活性及清潔力試驗上皆以甲醇萃取物之效果最好1级A片，具抗氧化、抗發(fā)炎能力黄色视频全免费，此外存在表面活性優(yōu)良性質(zhì)a图片在线看，對頭發(fā)強度之傷害性小，因此增加其在化菻~上之應(yīng)用潛力一级性生活XX视频。

In this thesis, the reaction of methanol conversion into hydrocarbons on HZSM-5 and SAPO molecular sieves, which is of great importance to industry, is selected as probe reaction to get deeper insights into the structure of solid catalysts and the interaction of reactants with catalysts during adsorption and catalytic reaction by solid state NMR.

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The effects of four different solutions (methanol, ethanol, chloroform, and tetrachloromethane) for the extraction of paeonol were investigated. With the consideration of toxicity, extraction ratio, and the influence on separation, methanol was selected as extractant.

考察了甲醇免费人成a大片在线观看日本、乙醇、氯仿亚洲色无码一级毛片一区二区野外、四氯化碳4種溶劑提取丹皮酚的效果在线青草香蕉在线播放网站视频，綜合考慮提取劑毒性、提取率和對分離的影響草棚无码视频，選擇甲醇作提取劑欧美精品性XXXX。

It is involved in the synthesis of triphenylcarbinol. In this pater, based on the principle of the ultrasonic wave radiation and its advantages, triphenylcarbinol was synthesized by ultrasonic irradiation. We have researched the influence on the synthesis of triphenylcarbinol for the solvent of different purity.

三苯甲醇的制備中就涉及到了格氏試劑的合成，本文根據(jù)超聲波輻射作用的原理及其優(yōu)點对白荡伦系列完整版，利用超聲波輻射法合成了三苯甲醇男女视频在线一区免费观看，考察了不同純度的乙醚溶劑對產(chǎn)物合成的影響。

Triarylcarbinols such as triphenylcarbinol and certain diarylcarbinols give intensely colored salts when treated with acid in suitable media.

三芳基甲醇和某些二芳基甲醇黄页网站观看在线观看。在適當?shù)慕橘|(zhì)中婷婷视频一级。用酸處理時會產(chǎn)生顏色很濃的鹽。