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In the presence of lipase, transesterification reaction of methyl stearate with glycerol was conducted in an organic solvent. Monoglyderide was obtained with a conversion reaching 60% while suppressing formation of diglyceride under 2%.

脂酶存在下，在有机溶剂中进行甘油和硬脂酸甲酯的酯交换反应，以60%以上的转换率合成出单酸甘油酯，而甘油二酯的生成率抑制在2%以下。

Methods The presence and localization of the dilatant nasal mucosa capillaries in proband was determined by endoscope of nasal cavity; clinical diagnosis of HHT was established by obtaining the patient's bleeding history, family history, and observation of bleeding sites.

完善血常规、肝肾功能和胸片、腹部B超、血氧饱和度等检查；进行出凝血时间、血块回缩率、血小板聚集功能等检查；对与先证者有血缘关系的家系成员进行胸片、腹部B超、血氧饱和度检查，以排除和诊断HHT，绘制HHT遗传系谱图。

The synergistic antioxidant effect of βC with VE was easily measured by monitoring the induction period in the presence of these two antioxidants using the dilatometer method.

UV和HPLC分析抗氧化过程中βC和VE浓度的衰减发现，当VE存在时，βC的消耗比其单独作用时慢了近一个数量级。

Template copolymerization of acrylamide with acylic acid was carried out in the presence of polyallylammonium chloride as matrix in aqueous solutions.The various influences on the rate of polymerization were studied by dilatometer and electrical conductivity measurements.

丙烯酰胺和丙烯酸模板共聚合是以聚烯丙基氯化铵模板存在下，在水溶液中进行，在这体系中，模板PAAC和单体AA有很强的相互作用，而单体AM与模板则没有作用。

Dingle's presence, she was one of those ambiguous women who live chiefly in the society of the other sex.

因此虽然除了DINGLE夫人在场，STELLA从来没当面见过他，但是她也是那种主要生活在男人社会的女人，而这，很容易让人误解。

Magnetic cobalt nanoparticles were synthesized by high temperature solution phase diol reduction method in the presence of two kinds of surfactants.

应用高温液相二醇还原法，首次用1，10-癸二醇作还原剂，在两种表面活性剂存在下制备出磁性钴纳米粒子。

European Cassini spacecraft flew within 310 miles (500 kilometers) of the Dione's pale surface last week, showing it possessed a heavily cratered surface but no presence of an atmosphere.

上周美国－欧洲的卡西尼太空船飞离土卫四的苍白色表面310英里（500公里），显示它的表面有一个巨大的坑，并且没有大气的存在。

In an effort to develop a simple method for identifying patients who may have fatty liver disease, Dr. Bedogni and colleagues used data from the Dionysos Nutrition and Liver Study to determine the degree to which drinking habits, anthropometry, and metabolic parameters contribute to the risk for the condition in 216 patients with suspected liver disease but no hepatitis B and C infection as well as in 280 age- and sex-matched controls. All participants were from the same town in northern Italy. The presence of fatty liver disease was confirmed via ultrasonography. Results were presented here by Vittorio di Maso, MD, another researcher at the Liver Research Center, at the 41st annual meeting of the European Association for the Study of the Liver.

为了发展出一个简单的方法於鉴定脂肪肝疾病病患，Bedogni 医师及其同僚使用迪奥尼修斯营养与肝脏研究的数据，对280位年龄与性别相符者之中的216位疑似有肝脏疾病但无B型或C型肝炎的病患，加以区别饮酒习惯、人体测量学、导致风险的代谢参数等，所有参与实验者都是来自义大利北部的一个城镇，藉由超音波扫瞄确定出现脂肪肝疾病；研究结果在欧洲肝脏研究学会第41届年会由前述肝脏研究中心的另一位研究员、Vittorio di Maso 医师发表。

It also implies the presence of Neoarchean rock blocks nearby when the protolith of diopside leptynite was formed.

同时也说明透辉变粒岩的原岩形成时在其附近应该有新太古代岩块存在。

The allegations about the presence of 1,4 dioxane and formaldehyde in personal care products were made in a report to be released March 12, 2009, by the Campaign for Safe Cosmetics.

有关宣称个人护理产品中存在1，4 –二氧杂环己烷和甲醛成分的指控源于安全化妆品运动组织于2009年3月12日发布的一份报告。

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