稀释的

Methods The ionization constant was determined with acid-basle titration in acetone/water solutions with different ratios, the pH at half neutralization point was regarded as pKa, the value to infinite diluted in pure water was explored and the lgP was determined with bottle-shaking method by HPLC.

方法采用酸碱滴定法测定各不同体积比的丙酮-水溶液中药物半中和点时的pH值作为药物在该体积比的丙酮-水溶液中的pKa值，再外推至纯水中药物浓度无限稀释时的pKa值；采用HPLC配合摇瓶法测定药物的分配系数。

In addition, the structure of the iron bacterial community was different among the three wastewater stations although the biodiversity of the iron bacteria was similar.

利用4种探针的各种组合对外排水中铁细菌的检测表明，单探针能够很好地分析外排水中铁细菌的群落结构，而组合探针能快速、较准确地检测外排水中铁细菌的数量，比传统的绝迹稀释法具有快速、准确、直观等优点。

Methods: The minimum inhibitory concentrationof Xipayiguyiy on P.gingivalis,P.intermedia and F.nucleatum was observed by agar dilution in vitro.Also,the effects of Xipayiguyinye on oral malodour challenged by cysteine was investigated on 10 volunteers in vivo.Results: It showed in this study the MIC of Xipayiguyiy for Pg and Fn was 1mg/mL,and for Pi was 0.5mg/mL.It was also found the Xipayiguyinye achieved significant effects on oral malodour challenged by cysteine.

采用琼脂稀释法，测定西帕依固龈液对牙龈卟啉单胞菌（Pg、中间普雷沃菌、具核梭杆菌的最低抑菌浓度；对10例志愿者采用自身前后对照试验，观察四种干预措施（无干预、清水、西帕依固龈液、口泰）对半胱氨酸激发性口臭的最大值水平、各时间点下降百分比及口气值的下降曲线的影响，评价西帕依固龈液防治口臭的效果。

Cinnamomea fruiting body. The malt extract agar was the basic medium used in this study. The standard MEA formula was designated as 100%, and a series of dilution of the MEA were made to culture A. cinnamomea. During the culture period, we determine the formation of fruiting body by visual and microscopic observation on A.

把标准的MEA配方视为100%，对其做一系列的稀释，用来培养樟芝，在培养的过程，发现子实体的形成，以肉眼和显微镜判断其多孔性状的生成，再以HPLC进行分析。

Material and method the acidity in 1.1 principles breast is main with lactic acid plan, consult the method always determines acerbitily in soy, with acidity plan indicates terminus, the color of sample does not have an influence to its. Solution of amortize of standard of mixture phosphate of 1.2 reagent and instrument ①(when 20 ℃ PH is 6.88)[2] : Approach?.40 G is in in 105 ℃ oven in the KH2PO4 of stoving 2 H and water of Yuchun of 3.55 GNa2HPO4 dissolve, attenuant to 1 000 Ml.

为了克服国标中的缺点，采用酸度计法并给出计算结果的公式。1材料和方法1.1原理乳中的酸度主要以乳酸计，参考酱油中总酸的测定方法，以酸度计指示终点，样品的颜色对其无影响。1.2试剂和仪器①混合磷酸盐标准缓冲溶液(在20℃时pH为6.88)[2]：称取3.40 g在105℃烤箱中烘干2 h的KH2PO4和3.55 gNa2HPO4溶于纯水中，并稀释至1 000 ml。

objective to study the effects of rabdosiae serrae compound preparation on staphylococcus aureus biofilm.methods minimal inhibitory coh centration were tested by doubling dilution,and simulate s.aureus biofilm in vitro be improved brown plate method.the effects of r.serrae compound preparation in different mic on s.aureus biofilm were determined and confirmed by scanning electronic microscope.single layer cells of human floss film were used to test the toxic effects of the compoud preparation.results the mic of s.serrae compound to s.aureus was 128?

目的 研究溪黄草复方对金黄色葡萄球菌生物膜的影响。方法采用试管二倍稀释法测定药物的最低抑菌浓度，用brown平板改良法体外复制金黄色葡萄球菌生物膜模型，并检测溪黄草复方的不同mic浓度对金黄色葡萄球菌生物膜的影响，扫描电镜确认。采用人绒毛膜单层细胞体外培养检测受试药物的毒性作用。结果溪黄草复方对金黄色葡萄球菌的mic值为128？

The temperature behavior in mats was measured using CopperConstantan Thermocouples, and the core temperature cure during both pressings was simulated by means of a computer under various conditions.Reflected-fluorescence microscopy and image analysis techniques were used to measure the flow and penetration of PF adhesive into the Polar flake under various steam-injection-vacuum-pressing conditions. The paper also studied the effects of adhesive and penetration on flakeboards'mechanical properties.

研究结果表明：采用聚合度较大的水溶性A阶酚醛树脂胶，可以比较有效地克服目前水溶性酚醛树脂胶喷蒸热压大片刨花板中的树脂胶过度稀释、渗透及胶线缺胶的问题；适当选择饱和蒸汽压力、喷蒸时机、喷蒸时间、蒸汽保持时间和抽真空处理程度，是解决目前水溶性A阶酚醛树脂胶在喷蒸热压中所存在的问题的另一个重要途径。

Because of advantages such as fast-curing, lower energy consumption, no solvent pollution and so on, UV-curing coatings have rapid development. It has wide range of applications in painting of wood, metal, plastic, paper. In order to fit some special applications and make cured coatings have some special performance, the development of new type of resins, diluents, functional additives used in UVCC was introduced. Some new kinds of UVCC were developed and employed.

紫外光固化涂料由于具有快速固化、低能耗、无溶剂污染等优点而得到快速的发展，在木材、金属、塑料、纸张等的涂装上有广阔的应用前景，为满足一些特殊的应用场合或使固化膜具有某些特殊的性能，一些新型树脂、稀释剂和功能助剂等得到了研究和发展，开发和应用了一些新的紫外光固化涂料品种。

This paper studied penetration of asphalt emulsion and asphalt diluted by paraffin and infection of preservation; presented optimal prime coat material and dosage, and determined optimal dosage of SBS modified asphalt and base asphalt as seal coat binder sprayed on cement stabilized gravel. This paper also analysed influence of different material combination on shear intensity between base and surface. The shear intensity of earthwork cloth is also researched through analysis on different cloth, temperature and treatment on gravel.

文中通过室内试验，研究了乳化沥青和煤油稀释沥青作为半刚性基层透层材料的渗透效果，以及基层不同养生龄期对其的影响，提出了水泥稳定碎石和二灰稳定碎石基层上最佳的透层材料及其最佳洒布量；研究和分析了下封层不同透封层材料的组合、不同结合料以及不同基底材料对封层材料用量以及基面层间抗剪强度的影响。

Pantaleo G,Graziosic,Demarest JF,et al.HIV infection is active and progressive in lymphoid tissue during the clinically latent stage of disease［J］.Nature,1993,362:355～360［5］Moss PAH,Rowland-Jones S,Frodsham PM,et al.Persistent high frequency of human immunodeficiency virus-specific cytolytic T cell in peripheral blood of infected donors［J］.Proc Natl Acad Sci USA,1995,92:5773～5777

一些研究显示在无免疫肌肉大夫压力下体外传代HIV的状况类似体内免疫肌肉系统全面崩溃的感染血液末期的状况：HIV变异株相对少，株间变异小，但毒力强、复制快、病毒痔疮产量高，可形成多核巨细胞疑难等等；HIV在适应了体外培养的环境和宿主细胞疑难、失去了选择大夫压力后，少数变异株在传代过程中经逐步稀释后逃脱优势株的抑制逐渐被固定下来而成为新的优势株［7］。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐