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The effect of dexamethasone on gene expression of spermidine synthase in regenerating rat hepatocytes was investigated by in situ hybridization.

采用原位杂交技术研究地塞米松对大鼠再生肝细胞亚精胺合成酶(spermidine syathase， SPDS)基因表达的影响。

Objective: To study the expression of CD44v6 protein in the dysplasia, carcinoma in situ, invasive squamocellular carcinoma and adenocarcinoma of cervix uteri, and the relationship between the expression and the prognosis.

目的：了解CD44v6在宫颈上皮不典型增生、宫颈原位癌、宫颈浸润鳞癌及腺癌中的表达及其与预后因素的关系。

A micro-monolithic column was prepared by in-situ free radical polymerization of stearyl methacrylate with ethylene glycol dimethacrylate in the presence of the initiator AIBN and a mixture of porogens including iso-amyl alcohol and 1,4-butanediol.

以甲基丙烯酸碳酰十八酯为单体，乙叉二甲基丙烯酸酯为交联剂，异戊醇和1，4-丁二醇为二元致孔剂，偶氮二异丁腈为引发剂，原位制备了具有强疏水性的SMA整体微柱，并利用此整体微柱在普通高效液相色谱仪上测定滴眼液中氧氟沙星的含量。

Objective To compare the forward shift of posterior corneal surface after laser in situ keratomileusis and laser subepithelial keratomileusis in high myopia.

目的探讨高度近视准分子激光原位角膜磨镶术及准分子激光上皮瓣下角膜磨镶术术后角膜后表面高度的差异及意义。

Objective To compare changes in higher-order aberration of moderate to high myopic eyes after laser in situ keratomileusis and laser-assisted subepithelial keratectomy.

目的 比较准分子激光原位角膜磨镶术和准分子激光上皮下磨镶术对中高度近视眼高阶像差的影响。

Compostie effects between zinc dialkyldithiophosphate and succinimide in liquid paraffin were investigated, and the protecting films formed on iron surface by either of the two additives alone or their combination were studied with the aid of in situ dynamic temperature variation infrared spectroscopic technique.

研究了二烷基二硫代磷酸锌与丁二酰亚胺在液体石蜡中的复合效应，并对这2种添加剂单独使用或组合使用时在铁表面形成的保护膜进行了原位动态变温红外光谱分析，同时还与其它添加剂组合体系作了对比试验研究，探讨了二者产生复合效应的机理。

The ligand of the chiral Schiff base and acetylacetone vanadium are subjected to complexation in situ, hydrogen peroxide is taken as an oxidant, aryl alkyl thioether asymmetric oxidation reaction is catalyzed in a toluene or dichloromethane solution under low temperature or room temperature, enantioselectivity of chiral sulphoxide is 72 percent to 95 percent ee, and yield is 42 percent to 83 percent.

将上述手性西佛碱配体与乙酰丙酮氧钒原位络合，采用双氧水为氧化剂，在甲苯或二氯甲烷溶液中低温至室温下催化芳基烷基硫醚不对称氧化反应，手性亚砜的对映选择性为72％-95％ee，产率为42％-83％。

In the study, a set of near isogenic lines of CMS-S, S-Mo17Rf3Rf3 and S-Mo17rf3rf3, were adopted, and TdT-mediated dUTP nick-end labeling, in situ immunolocalization of cytochrome c and DNA ladder assay were employed to study the programmed cell death process on cytology and DNA level. The microscope observation evidenced that tapetal cells of fertile anthers kept intact until microspores, and then were disintegrated on later developmental stage.

S型细胞质雄性不育系的一对近等基因系S-Mo17Rf3Rf3 和S-Mo17rf3rf3为材料，采用TdT介导的dUTP DNA末端标记、细胞色素C免疫原位杂交和DNA寡聚核小体片段电泳等方法，分别在细胞学水平和DNA水平上研究了玉米CMS-S小孢子败育的细胞程序性死亡过程。

In order to improve the mechanical properties and thermal stability of UP,in-situ hybrid composites of thermotropic liquid crystalline polymer with the group of —NCO synthesized by us,unsaturated polyester and glass fiber were successfully prepared by melt mixing technology and compression molding.

为了改进不饱和聚酯树脂在高低温和交变应力下力学性能和热稳定性较差的缺点，利用自行合成的端基含有活性基团的热致性液晶聚合物对不饱和聚酯/玻璃纤维复合材料改性，用DMA测试了共混物的动态力学性能，用扫描电镜对材料断面的形态结构进行了研究。

In this dissertation, several novel halogen-free fire-retardant epoxy-based copper clad laminates were developed. Two kinds of phosphrous-containing epoxy resins were synthesized by different method. A novel nitrogen-containing curing agent 2,4, 6-tri (phenol-methylene -amide)-trizone was synthesized for preparing high-performance epoxy polymers, and the synthesis kinetics, cure kinetics and mechanism of MFP cured with DGEBA have been investigated by Differential Scanning Calorimeter and in situ Infrared.

本论文以开发新型无卤阻燃环氧树脂基覆铜板为目标，合成了两类结构不同的含磷环氧树脂以及一种新型的含氮固化剂2，4，6-三-均三嗪，考察了它们合成过程中的影响因素，用DSC和原位红外光谱法探讨了MFP固化环氧树脂的固化反应机理。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。