查询词典 hydrogen ion

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。

Model occulted corrosion cell and other electrochemical methods were employed to study the characteristic ofbronze pit corrosion, the effects of dissolved oxygen、 pH and richened migrating of 〓 ion on the developmentof cavity in the simulated electrolyte solution. Corrosion inhibition for chloride ion by1-phenyl-5-mercapto-tetrazole pre-film on bronze has been evaluated. The mechanism of interactionbetween PMTA and the bronze surface has been studied by means of AES and XPS techniques.

采用&模拟闭塞腐蚀电池&等电化学的方法，研究了青铜器粉状锈的孔蚀特征，以及模拟电解质溶液中溶解氧、pH值、氯离子的迁移富集对孔穴生长的影响，评价了1-苯基-5-巯基-四氮唑缓蚀膜抗氯离子腐蚀的性能，利用AES、XPS方法研究了PMTA青铜表面成膜作用的机理。

B、 In the laserablation study of composite materials composed of 〓 and ozonized〓 precipitate as well as metal fullerides 〓, endohedralmetallofullerenes of the type 〓 were formed in the positive ion channel. c、 Inthe laser ablation study of rhodium containing metal fulleride 〓, two sequencesof metallofullerenes were formed in both the positive and negative ion channels, with〓 and 〓.respectively.

在激光烧蚀金属富勒烯盐的实验中发现形成的金属富勒烯类型依赖于金属元素的性质、含量及金属富勒烯的制备方法：a、在〓的实验中观察到取代型金属富勒烯〓和〓正负离子的产生。b、在对含La和Y的富勒烯复合样品〓以及金属富勒烯盐〓的激光烧蚀过程中观察到金属内嵌富勒烯正离子团簇〓的产生。c、在〓的激光烧蚀实验中观察到两个系列金属富勒烯〓和〓的形成，在负离子通道中〓在正离子通道2n=48-56。

Reinjection is applied for sewage disposal in Daniudi gasfield. Sewage contains some sulfate ion. The main ion in formation water with high salinity includes K, Na, Ca, Mg and Ba. So reinjected sewage combining with original formation water will generate scaling, And the scaling type is mainly sulfate scale.

中文摘要：大牛地气田对污水处理采用回注方法，污水中含有一定量的硫酸根离子，而地层水中也有很高的矿化度，主要离子为钾、钠、钙、镁、钡，因此回注污水与原地层水相混，会产生结垢现象，结垢类型主要为硫酸盐垢。

The phenomenon of ears long shorten, the stooling strengthen, and all plants increasing, of the Lankao906 communities after Ion beam-mediated explored the difference between the control and Mediated material from another angle, explained that Ion beam-Mediated changes advantage ously.

对于第二代材料的生物学效应研究主要以植株高度、穗型、叶部性状、籽粒性状、生育期和育性等为考查指标，试图研究外源遗传物质转化后所导致的后效性，为建立适应于离子束介导外源遗传物质的方法提供试验依据。

The complex plating-sulfurizing process which fitted multi-arc ion plating together with low temperature ion sulfurizing,was utilized to prepare the MoS_2 solid lubrication film on the surface of 45 steel.

采用多弧离子镀及低温离子渗硫相结合的复合镀渗工艺，在 4 5钢基体上制备了二硫化钼固体润滑薄膜。

Sulphurized-nitrided compound layer is prepared on the surface of drilling pipe joint material 35CrMo steel by the application of ion nitriding and ion sulfurizing technology.

应用离子渗氮与离子渗硫技术，在钻杆接头材料35CrMo钢表面制备了硫氮复合处理层。采用M-200环块磨损试验机，对比研究了原始渗氮表面与硫氮复合表面在干摩擦条件下的抗磨损性能。

Sulphurized-nitrided compound layer is prepared on the surface of drilling pipe joint material 35CrMo steel by the application of ion nitriding and ion sulfurizing technology.

中文摘要：应用离子渗氮与离子渗硫技术，在钻杆接头材料35CrMo钢表面制备了硫氮复合处理层。

The present invention relates to an ultraviolet detector and manufacture method thereof, in which a buffer layer is formed on a baseplate and a P-type GaN layer is formed on the baseplate by using epitaxial method. By availing ion-distribution-and-vegetation technology, a first N-type GaN layer is vegetated and invested in the P-type GaN layer by distributing and vegetating Si.sup.+ ions in that layer, and a second N-type GaN layer having a thicker ion concentration is invested in the N-type GaN layer.

专利简介本发明系关於一种紫外光检测器及制程方法，其主要系在一基板上形成一缓冲层，利用磊晶法在缓冲层上形成一P型氮化镓系层，并接著以离子布植技术将Si+离子适当地布植於该P型氮化镓系层中，形成一N型氮化镓系层及包覆在此N型氮化镓系层中且布植浓度更高的另一N型氮化镓系层，最后在该P型氮化镓系层及第二N型氮化镓系层上分别镀上一环状金属层及另一金属层，以作为欧姆接触层。

The calcium ion was assumed the representative ion in hydration products and the chemical dynamics model was established which describes the chemical reaction between hydration products in solidification sludge and acid.

2将水化产物中的钙离子作为代表性离子，建立了固化污泥中水化产物和酸反应的化学动力学模型；采用生物反应器强化微生物活性建立了固化污泥中机物降解的动力学模型。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。