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METHODS: A series of N-octyl-N'-succinyl chitosan labeled with fluorescein, were incubated with HepG2 liver cancer cells, K562 leukemia cells, A549 human lung cancer cells, and BGC cancer cells respectively and followed by using flow cytometry and enzyme-linked immunosorbent assay to assess the affinity and inhibition of N-octyl-N'-succinyl chitosan for the four kinds of tumor cells already mentioned.

用异硫氰酸荧光素对N-正辛基－N'-琥珀酰基壳聚糖进行标记，再分别与人肝癌细胞(HepG2)、人白血病细胞(K562)、人非小细胞肺癌细胞(A549)及人胃癌细胞共培养，通过流式细胞仪及酶联免疫检测仪测定N-正辛基－N'-琥珀酰基壳聚糖对肿瘤细胞的亲和性及抑制力。

Pump cavity and tooth wear shell after shell pump cavity and repair of worn teeth, a great impact on the fuel pump.

泵壳内腔与轮齿磨损后的修复泵壳内腔与轮齿磨损后，对水泵油量影响很大。

Pump c**ity and tooth wear shell after shell pump c**ity and repair of worn teeth, a great impact on the fuel pump.

泵壳内腔与轮齿磨损后的修复泵壳内腔与轮齿磨损后，对水泵油量影响很大。

The experiment research on stability of ring stiffened concave cone toroid cylinder combined shell is presented in this paper .

本文对凹型加肋锥-环-柱结合壳稳定性进行了模型试验研究，观察到凹环壳段失稳的一个特殊现象。

The experiment research on stability of ring stiffened concave cone toroid cylinder combined shell is presented .

文章对凹型加肋锥-环-柱结合壳稳定性进行了模型试验研究，观察到凹环壳段失稳的一个特殊现象。

The preparation and characterization of trimethylamine modified glutaraldehyde-crosslinked chitosan resin activated with cyanuric chloride,and its infrared spectral properties were studied.

用水相均匀交联法制备戊二醛交联壳聚糖树脂，以三聚氯氰为活化剂，合成了三甲胺修饰戊二醛交联壳聚糖树脂，研究了该树脂的红外光谱特征及吸附性能。

High value-added, there sapphire sheet of glass, ceramic case, tungsten steel case, diamond-encrusted and crafts.

高附加值的则有蓝宝石表玻璃、陶瓷表壳、钨钢表壳、镶钻工艺等。

It was the turtle shell which the Mute Singer used as a beggar's cup for money.

这个壳就是"哑吧歌手"用来当乞丐杯要钱的壳。

Figure 2 4- In order to separate the valves completely, once the muscle/s is/are cut, you must cut carefully the ligament in the umbo area.

为了完全分离双壳，请在切断肌肉后，请小心地切开壳顶的韧带

It belongs to the mollusk class gastropoda.It is also a univalve,which means that the shell consists of a single valve or piece.

它属于软体动物类中的腹足动物纲，属于单壳软体动物，也就是说，这个贝壳只有一个单壳或单片。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。