气源的

The degradation situation of benzene,methylbenzene,ortho-xylene,meta-xylene and para-terphenyli is studied in aerobiosis vibration bottle and aerobiosis exposural pool by using EJD-1 and active sluge.

通过使用EJD— 1和活性污泥 2种菌源，在好氧振荡瓶和好氧曝气池中研究苯、甲苯、邻二甲苯、间二甲苯、对二甲苯的降解情况。

The aliquot was determined and confirmed by gas chromatography-negative chemical ionization mass spectrometry using external standard method.

样品中三唑醇残留物由正己烷饱和的乙腈(含1%冰醋酸)提取，加入无水硫酸镁与无水醋酸钠振荡促使提取液分层后进行固相分散萃取净化，用气相色谱-负化学离子源质谱法进行测定与确证，外标法定量。

Here we used ferrocene , xylene and argon as the catslyst precursor, carbon source and carrier gas, and used alundum tube as reaction chamber.

以二茂铁、二甲苯、氩气分别为催化剂先驱体、碳源、载气，直径100mm的刚玉管为反应室，石英玻璃为基底，催化热解制备定向碳纳米管。

Possible mechanisms and relative energetics for protonation of pyrrole and furan by H3O＋ and in the gas phase have been explored.

以H3O+和NH4+作为质子源，对吡咯和呋喃气相质子化过程的机理进行了计算研究。

Among them, the black shale is rich in graptolite whose thickness is between 20~ 120 m and organic carbon content 0.4%~1.6%, and it mainly has type I organic matter, strong hydrocarbon generation capacity and high thermal evolution degree almost evolved to overmature stage.

四川盆地寒武系底部和志留系底部各存在一套良好的高成熟度、高有机质丰度、类型好的烃源岩，所生成的天然气均为腐泥型有机质形成的油型气，均可作为页岩气的勘探目标。

The formation of hydrocarbons from a source rock as bitumen forms from kerogen and accumulates as oil or gas.

烃类从源岩中形成的作用，如由干酪根形成沥青并聚集成油或气。

There is a set of source rocks with high maturity,high abundance of organic matter and good types in Cambrian Bottom and Silurian Bottom respectively in the Sichuan basin where the produced natural gas both belongs to oil-type gas generated from sapropelic matter.

四川盆地寒武系底部和志留系底部各存在一套良好的高成熟度、高有机质丰度、类型好的烃源岩，所生成的天然气均为腐泥型有机质形成的油型气，均可作为页岩气的勘探目标。

Methods by using a broad pH range column(Gemini NX C18,4.6mm×150mm,5μm),basic mobile phase which was[H_2O-ammonia-glacial acetic acid] (96:3.6:0.4)-methanol,the related substances in etimicinsulfate were separated and detected by electrospray ionization and positive ion monitoring,the ESI ion source condition was following: temperature is 350℃,nebulizing pressure is 50 psi,dry gas flow is 10 L /min.some related substances in etimicinsulfate were identified by comparing the retention time in chromatography,~+ spectrum and MS~2 spectrum with reference substances\',the others which haven\'t reference substances were identified or speculated by analyzing their MS~2 fragmentation with the help of a rule summarized from the MS~2 fragmentation of gentamicin C1a,micronomicin and etimicin.Results nineteen related substances in etimicinsulfate were separated and detected.

方法利用宽pH范围的Gemini NX C18(4.6mm×150mm，5μm)色谱柱，在碱性条件下，以[水-氨水-冰醋酸(96：3.6：0.4)]-甲醇(70：30)为流动相，直接分离各组分；并用HPLC-ESI-MS~2检测样品中各组分，质谱条件：ESI离子源，离子源温度350□，雾化室压力50 psi，干燥气流速10 L/min，正离子检测方式；对有对照品的有关物质采用比对有关物质与对照品的色谱保留时间、准分子离子的质荷比及二级质谱方法进行鉴定，无对照品的有关物质，则是先通过解析庆大霉素Cla、小诺霉素、依替米星的二级质谱，对该类化合物的二级质谱裂解规律进行归纳，并以此推测未知新化合物进行结构，再用推测的结构对二级质谱进行解析，如所有的碎片离子均合理解释，表明推测合理。

By the combination of experimental results with theory of crystal growth, some growth models and growth mechanisms were proposed. Research results confirmed that pillar-shaped TaC whisker with spherical droplet at the end grew via a vapor-liquid-solid mechanism, pillar-shaped whisker with pyramid-like end was formed via a vapor-solid mechanism, awl-shaped TaC whisker with zigzag end formed via a liquid-solid mechanism, awl-shaped TaC whisker with growth step at the end has a growth mechanism of screw dislocation mechanism. The growth mechanism of dumbbell-shaped MgO nanowhisker and NaCl particle-decorated MgO nanowhisker is VS; C and MgO powder-yielded MgO nanowhisker was formed via a VLS mechanism, Mg powder-yielded MgO microwhisker and MgO microsized or nanosized crystal sheet grew via a VS mechanism. In the Si and SiO〓 nanostructures, Si nanowires formed in higher-temperature zone grew via oxide-assistant mechanism, while Si nanowires or nanorods formed in lower-temperature zone have a growth mechanism of VLS, and the growth mechanism of SiO〓 nanowires is VS.

研究确定呈平直柱状且头部带有球形颗粒的TaC晶须是通过气-液-固机制生长；头部呈之字型的锥状TaC晶须则通过液-固机制生长；晶须头部为四棱锥状的粗长TaC晶须的生长机制是VS机制；顶端呈锥状且有生长台阶的TaC晶须通过螺位错机制生长；哑铃状氧化镁晶须和氯化钠颗粒修饰的氧化镁纳米晶须的生长机制是气-固机制：当采用C+MgO粉提Mg源时形成的氧化镁纳米晶须的生长机制是VLS，而采用直接热蒸发Mg粉时得到的氧化镁微米晶须的生长机制为VS，纳米和微米晶片的生长机制均为VS机制；在高温区，硅纳米线的生长机制是助氧化机制，在低温区硅纳米线和纳米棒的生长机制是VLS机制，而氧化硅纳米线的生长中VS机制占主导地位。

The interference image spectroscopy coupled with the Doppler effect of electrical and magnetic waves are employed to measure the natural airglow and auroral visible emission lines in the upper atmosphere.

以上层大气中的气辉为被探测源，利用干涉成像光谱技术和电磁波的多普勒效应对上层大气风场进行测量，分析和计算了大气风场的速度和温度，并就被探测源和探测器之间的相对速度与其连线成任意角时的情形进行了讨论。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。