查询词典 purification

For building the ecological engineering to purify the eutrophic water, six economic plants ,which are Cress,Ipomoea aqutica,leek,Chinese chives,Celery and Hemerocallis respectively,were selected,and the purification ability and the bio-ecological character of them were studied.

为建立净化富营养化水体的生态工程，本试验选择水芹、水蕹菜、韭菜、葱、黄花菜、芹菜等6种经济植物，研究了各种植物的净化能力及其生物学特性。

In our experiments, isolation and purification of the hemocyanin were carried out, the properties and structures of the hemocyanin were bascially characterized.

本文系统研究了钉螺血兰蛋白的提取和纯化方法，并对其结构和性质进行了初步探讨。

Our study is about extraction and purification of hesperidin from Citrus Poonensis one of the most important mandrin ...

现将主要研究结果报告如下： 1、用自制含NaOH溶液的硅胶板，采用乙酸乙酯：甲醇：水=10：3：2的展开剂，283nm紫外灯下可清楚的看到橙皮苷斑点呈黄绿色，斑点清晰圆润。

Hence most of the Gnostic Acts have come down to us with more or less of a Catholic purification, which, however, was in many cases so superficial as to leave unmistakable traces of their heterodox origin.

因此大多数的诺斯底的行为归结为我们提供了或多或少的天主教净化，然而，在许多情况下是如此肤浅的，以休假无误的痕迹，他们的非正统来源。

The research of the characteristics of biology and the osteogenic and adopocitic induction are comparatively mature, showing many biological characteristics such as adherence, plasticity, heterology, self-renewal, rapid clone formation and transplantation. Adherence combined with density gradient centrifugation method is widely used in the isolation and purification of BMSCs.

骨髓间充质干细胞现阶段研究方向主要包括生物学特性、诱导分化和调控机制等内容，对其生物学特性和成骨成脂诱导方面研究比较成熟，在培养分化过程中展示出贴壁性、可塑性、异质性、自我更新能力、快速形成克隆能力、可移植性等生物学特征，贴壁法联合密度梯度离心法在骨髓间充质干细胞的分离、纯化过程中被广泛采用。

Tetraiodobenzene, triphenylphosphine, hexachloroethane, NaNH2, and Pd(PPh3)4 were purchased and used without further purification.

1，2，4，5-Tetraiodobenzene，三苯基膦， hexachloroethane、NaNH2和Pd (PPh3) 4被购买了并且使用，不用进一步洗净。

Results:92% purity of hirudin was obtained after the separation purification.

结果：经过分离纯化可以得到纯度为92%的水蛭素。

Aim To optimize purification conditions of recombinant hirudin 3 in the fermentation broth and characterize the product.

目的优化分离纯化大肠杆菌发酵液中重组水蛭素Ⅲ的工艺并对所纯化产物进行分子鉴定。

The company's products have been widely used in textile, printing, tobacco, military, medicine, flower breeding greenhouses, mushroom cultivation, micro-electronics companies, archives, telecommunications, electricity, wood and paper industry workshop, warehouse, etc. directly humidistat , air purification.

本公司产品已广泛用于纺织、印刷、卷烟、军工、医药、花卉养殖大棚、菌类栽培、微电子企业、档案室、电信、电力、木业纸业与行业车间、仓库等直接进行湿度调节，空气净化。

Isolation, purification and characteristics of D-hydantoinase were carried out. The experiment results showed that the optimal pH and temperature of pure D-hydantoinase were pH 8. 5 and 35℃, respectively. D-hydantoinase activity could be increased significantly by Mn〓 and Fe〓. Substrate specificity of D-hydantoinase on various hydantoin derivatives showed the optimal substrate of D-hydantoinase was 5-phenylhydantoin, but hydantoin, 5-methylthioehylhydantoin, 5-hydroxyphenylhydantoin, 5-methylhydantoin, 5-benzylhydantoin could also be hydrolyzed by D-hydantoinase.

本文还进行了海因酶的分离纯化及性质研究，发现酶的最适反应温度为35℃，最适pH为8.5，金属离子Mn〓和Fe〓能显著提高D-海因酶活力。D-海因酶的特异性实验表明，D-海因酶的最适底物为D，L-苯海因，其次为海因，D，L-对羟基苯海因和D，L-甲硫乙基海因，对D，L-甲基海因和D，L-苯甲基海因也有一定的作用。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48