• 经过开光气化、缩合等一系列反应制备了磺隆。

    Tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation.

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  • 方法(三 氯甲基碳酸酯替代光气源头上大大降低安全和环保隐患

    The method uses the bi-(trichloromethyl methyl) carbonate to replace phosgene so as to greatly reduce the safety and environmental protection risks from the source;

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  • 近年来,我国四川东北部相继发现了一系列含硫气田罗家寨气田田等。

    In recent years, some gas reservoirs with different H2S-content have been found in northeast of Sichuan Province in China, such as Luojiazhai and Puguang gas field.

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  • 用扫描电镜透射电镜观察剂量光气吸入中毒所致家兔呼吸系统损伤超微结构改变

    Scanning electron microscope and transmissional electron microscope were used to observe the ultrastructural changes of respiratory tract in rabbits inhaling low concentration of diphosgene.

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  • 光气代替光气合成化合物有效消除光气危险性生产具有广泛应用前景

    The risk of reaction using phosgene could be avoided effectively by substitution of triphosgene for phosgene, and application of triphosgene in production with broad prospect was believed by author.

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  • 液体中的含气量声致发光相空间重要参数,对声致发运动发光重要影响

    Gas concentration in liquid is an important parameter in single bubble sonoluminescence (SBSL), which significantly affects the movement and light emission of the SBSL bubble.

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  • 最终形成适合普储层特征射孔液体配方,整体性能回收利用能力进行评价。

    Ultimately the perforating fluid system adapt to Puguang gas reservoir characteristics is formed, and its overall performance and recycling capacity are evaluated.

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  • 开发了光气合成生产装置流程模拟软件庆的数学模型成功地用于现场生产装置的模拟计算。

    A process simulation software of phosgene synthetic unit and corresponding mathematic models were developed, which were successfully used in field production unit simulation.

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  • 结论急性光气中毒主要引起急性损伤通过以糖皮质激素为主的综合治疗可以时间内痊愈

    Conclusion: acute phosgene poisoning cause acute lung injury principally, it can be healed in short time by combination treatment mainly included glucocorticosteroid.

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  • 湖南省优势几种有机化工原料甲苯光气柠檬酸等的精细化工开发提出了具体的建议。

    It is suggested to develop industry of the fine chemicals concerned with some superior raw materials in Hunan province, such as toluene, phosgene and citric acid.

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  • 发明固体光气代替了一级剧毒性气体――光气,便于准确计量优化了操作条件对环境污染小

    The present invention uses solid phosgene, rather than phosgene to result in accurate metering, optimized operation condition and less environmental pollution.

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  • 方法19例急性光气中毒患者临床症状体征动脉血气变化影像学改变临床资料进行综合分析

    Methods To aggregate analyse the clinical symptoms, signs, the changes of arterial blood gas and lung imaging and so on of 19 acute phosgene poisoning patients.

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  • 解释地球仰望星空,笼罩天鹅座周围那些外观精美、如细丝般令人震撼形成面纱星云

    Explanation: Delicate in appearance, these filaments of shocked, glowing gas, draped in planet Earth's sky toward the constellation of Cygnus, make up the Veil Nebula.

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  • 整体动物呼吸道中毒血液动力学改变上呼吸道单独受双光气刺激引起的血液动力学改变循相似规律。

    While the intact rabbits were poisoned, they had the similar course of hemodynamic changes as that of those animals with upper respiratory tract irritated alone.

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  • 发明涉及种在相中,任选至少惰性介质存在下,使相应光气反应生产异氰酸酯的方法

    The invention relates to a method for producing isocyanates by reacting the corresponding amines with phosgene, optionally in the presence of at least one inert medium, in the gas phase.

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  • 天然气乙烷同位素各层系烃干酪根碳同位素值对比结果揭示光气田天然气主要来自系烃源层。

    The carbon isotope correlation between ethane in the natural gases and source rock kerogens shows that the gases in the reservoirs were mainly derived from Permian strata.

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  • 光气(BTC)双酚a (TBBPA)原料界面缩聚合成了高分子量四溴双酚a聚碳酸酯。

    Tetrabromobisphenol-A polycarbonate (TBBPA-PC) was synthesized by interfacial polymerization with triphosgene (BTC) and tetrabromobisphenol a (TBBPA) as raw materials.

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  • 引进空气钻井氮气钻井、空气锤冲击钻井田上部陆相地层试验和应用,成功拓展须家地层。

    Introducing into air drilling, nitrogen drilling and air percussion drilling were applied in Puguang upper continental facies stratum; moreover, drilled successfully into Xujiahe group stratum.

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  • 可以代替剧毒光气硫酸二甲酯作为环境友好有机合成中间体起始物质应用羰基化和甲基化反应中。

    It can be use as an environment-friendly intermediate and starting material for organic synthesis substituting the poisonous phosgene and dimethyl sulfate in carbonylation and methylation reaction.

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  • 事实上别人发出想法相同力道光气场弹开,依最小阻力路径行进,而回到发出想法人。

    In fact, negative thoughts sent to you by others will rebound from your aura with the same force with which they were sent out, and seeking the lines of least resistance, will return to the sender.

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  • 双氰胺糖精起始原料,经过开光气化、缩合等一系列反应制备了磺隆,合成反应的收率可57

    Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57.

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  • 星云所以取得这个名称是因为它们光学图像显示尘埃一些星云模糊化地形成了使人联想到拱形特征

    The nebula gets its name because optical images show dust obscuring some of the nebula's glowing gas in a shape reminiscent of the arcade character.

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  • 光气作为剧毒的光气光气合成中的替代物不但毒性低,使用安全方便而且反应条件温和、选择性收率

    The triphosgene, being as the substitute for phosgene and diphosgene in synthesis, is not only low-toxic but also safe and convenient to use with mild conditions, good selectivity and high yields.

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  • 二(三氯甲基)碳酸酯BTC)代替光气,“一锅法”合成8种取代脲类除草剂产物结构元素分析IR确证。

    Eight substituted ureas herbicides were synthesized with bis(trichloromethyl) carbonate(BTC). The production structures were identified by elemental analysis and IR.

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  • 结论光气中毒后mpo活性显著增加提示肺部有明显PMN聚集耗竭pmn后可以缓解光气中毒后损伤的程度。

    CONCLUSION: The MPO vigor, following phosgene exposure, increases greatly in lungs, indicating an obvious PMN aggregation. Depletion of PMN can relieve acute lung injury induced by phosgene.

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  • 亲和力十足,谈吐笑容皆散发出地中海域独有自己则将此归功于马尔代夫天堂般的美景最快乐风情。

    He leaves a rather amiable impression and naturally sheds the charm of "Mediterranean Sunshine" which, he himself regards owing to the paradisiacal scenery and wonderful atmosphere in Maldives.

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  • 天文学家们他们所观察到的遥远类星体一个环绕的巨型黑洞也是早期宇宙中最为明亮的天体

    Astronomers say it is the most distant quasar, a massive black hole surrounded by luminous gas, that they have ever seen as well as the brightest object to be sighted in the early universe.

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  • 天文学家们他们所观察到的遥远类星体一个环绕的巨型黑洞也是早期宇宙中最为明亮的天体

    Astronomers say it is the most distant quasar, a massive black hole surrounded by luminous gas, that they have ever seen as well as the brightest object to be sighted in the early universe.

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