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The number of intersection points of l : ax + by + c = 0 and the centroid curve L :{(x|ˉ,| h ∈∑} gives the number of zeros of I.

在第四章中，考虑到系统在二次多项式扰动下的几何意义：若I=∫ integral from n=intrdxdy，那么直线l：ax+by+c=0与质心曲线L∶{

The selected prepared catalyst for isomerization of light oilis used under the reaction conditions of 260°C, 2.0MPa, WHSV=1.0h-1 , H2/Hydrocarbon molarration 4.0, n-pentane conversion rate is 62.17%,isopentane yield is 57.01%(isomerization rate is58.00%), isopentane selectivity is 91.60%, liquid product yield is 94.84%.

在 T=260°C，P= 2.0MPa ，WHSV= 1.0h-1 ，H/C5= 4.0 时，正戊烷转化率为 62.17%，异戊烷收率为 57.01%(产率为58.00%)，选择性为 91.60%，液体产物收率为 94.84%。

Blood samples were processed within 3 h after phlebotomy and centrifuged at 1500g for 10 minutes, and serum was stored in aliquots at 80°C until analysis.

血液样本在抽血3小时之后进行处理，并在1500g的状态下离心旋转10分钟，血清以测定用量储存在- 80 °C的低温下，留待分析使用。

Determination of phosphorylation of c-Jun was performed by Western blotting and immunohistochemistry.

再灌注6 h的大鼠进行磷酸化c-Jun的免疫印迹和免疫组化检测。

Next, BALB/c mice were orally infected with Y. pseudotuberculosis and its ompR mutant to study metabonomic variation of different intestine-associated organs after 24 h infection. The results showed that a majority of metabolites were decreased during this acid adaptation process, but phosphoenolpyruvate, 5'-GMP, 5'-AMP, 5'-UMP, GDP/GTP of wild type strain and lactate, Tyr, phosphoenolpyruvate, 5'-AMP、GDP/GTP of the ompR mutant strain were increased.

为了探讨病原细菌感染动物后特别是在酸性环境下代谢物的变化规律，首先在体外模拟假结核耶尔森氏菌及其全局性调控因子OmpR突变株在适应酸性环境时所引起的菌体自身的代谢变化，然后通过BALB/c小鼠口服感染耶尔森氏菌，研究小鼠感染病原细菌24h后各种相关器官的代谢变化。

Chapter 7 A Fused Silica PLOT Column Prepared with Nanotube Titanic Acid Adsorbent and the Influence of Treatment on Its Behavior In the chapter, the nanotubed titanic acid H〓Ti〓O〓(OH 〓 was synthesized in our laboratory, morphology and structure of nanotubed titanic acid was investigated, a fused silica PLOT column was prepared with used that as a new kind of stationary phase in gas-solid adsorption chromatography.

第七章 钛酸纳米管PLOT石英毛细管色谱柱的制备及热处理对色谱保留性能影响研究在实验室合成了具有较大比表面积和纳米管特性的钛酸纳米管，对其热处理前后的形貌和结构进行了表征，将其作为气-固色谱吸附剂制备出一种新型钛酸纳米管PLOT石英毛细管柱，同时考察了这种纳米管结构的钛酸作为固定相对C〓～C〓烷烃混合物、空气、SF〓以及CO和CO〓的分离能力。

II. The irradiation effect of Ultra-violet light and Gamma ray of the polyvinyl chloride were studied by III NMR,~(13)C NMR, IR, and XRD.

第二，用'H NMR，C NMR，IR，和XRD 研究了聚氯乙烯的紫外光和 Cor 射线的辐照效应。

The crystal belongs to monoiclinic with space group P2 1/n, a=1.7073(7)nm, b=1.7447(7)nm, c=2.4333(10)nm,β=109.694(7)°, Z=4,V=6.824(5)nm 3, D x=1.282g/cm 3,μ=0.793mm -1, F(000)=2696, R 1=0.0563, WR 2=0.1539. In the crystals of compound, the tin atoms rendered seven-coordinate in a distorted pengonal bipyramidal structure.

我们以 NEt3 作缚酸剂，用 Ph3 Sn Cl与 2 ，6 -吡啶二甲酸以 1∶ 1摩尔比反应时，没有得到预期产物 Ph3 Sn O2 C(2 ，6 - Py)CO2 H ，而是得到一种 Sn- Ph键断裂的离子型有机锡化合物(Scheme1 )。

Methods: CD34(superscript +) cells from fetal liver were isolated with a magnetic cell sorting kit and were cultured. Cells pretreated with or without protein kinase C inhibitor chelerythrine chloride (3 μmol/L) were induced by 5 ×10^(-7)mol/L tretinoin for 24 h, and then incubated in serum-free medium. Expressions of genes in treated cells were assayed by Western blotting and RT-PCR.

采用免疫磁珠法分离人胎肝CD34细胞，培养4d后，蛋白激酶C特异抑制剂chelerythrine chloride(3μmol/L)处理24h，再加入维A酸处理24h5×10^(-7mol/L，无血清培养基培养5d，Western印迹和半定量RT-PCR法分析维A酸处理前后神经特异基因表达。

Methods BALB/c mice were treated intragastrically by gavage with ST 3000?μm/kg.The mice were killed 1 hour,2 hours,4 hours,8 hours,16 hours after oral administration respectively for observing ependymal cells,neurons and endothelial cells of blood vessel of the lateral recess with transmission electron microscopy.

BALB/c小鼠，ST单次灌胃，分别于灌胃后1、2、4、8、16 h处死动物，用透射电镜观察外侧隐窝室管膜细胞、神经元、神经纤维和血管内皮细胞的结构变化。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新