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The experimental result shows: in folic acid concentration range of 2.0× 10－ 6～ 4.2× 10－ 5 mol/L, the correlation coefficient of the calibration curve is increased from 0.988 3 to 0.999 3 after the processing.

实验结果表明：在叶酸浓度为2.0×10－6～4.2×10－5mol/L范围内，校正曲线相关系数从平方处理前的0.9883提高到平方处理后的0.9993，检出限为9×10－7mol/L。

10μmol/L corticosterone inhibited the LTP in hippocampal slices of rats in vitro.

GABAA受体参与了丙泊酚对于大鼠海马脑片CA1区LTP的抑制。

With the increment of the Se mol ratio in the systems, the volume of unit cell is reduced , the energy of the system is increased, and the covalence bond component of Te(1)-Bi,Se(2)-Bi,Se(1)-Bi is gradually enhanced.

随着体系中Se原子摩尔比的增加，晶胞的体积减小，体系的能量增加，Te(1)-Bi键、Se(2)-Bi键、Se(1)-Bi键的共价键成份逐渐增强。

Ethylene-Propylene copolymers and mixtures with long E-P sequence structures were investigated using WAXD and PLM methods. As the content of Cs reached more than 30 mol %, the (140),(130) crystal planes appear at 2θ= 20 in X-ray diffraction patterns of me-Itcrystallized samples.

用广角X-射线衍射和偏光显微镜方法，研究了具有乙丙长序列乙丙共聚物及其共混物，发现通过熔融慢冷结晶样品，C3含量在30mol％以上，衍射角2θ=20°处出现了属于γ-PP晶型的(140)，(130)晶面衍射。

RESULTS: The cell growth curve of A549 cells was similar to that of A549/DDP cells.

以20 μmol/L的姜黄素作用细胞24 h后，流式细胞仪分析细胞周期。

The electrochemical properties of the composite material electrodes were studied by cyclic voltammetry and constant current charge/discharge tests in 1 mol/L H2SO4 solutions.

电化学测试表明该方法制备的碳复合材料作为超级电容器电极时，比容量达到240F/g ( I = 1.0A/g )，较纯粹的碳材料增加了大约100%。

Results 2 ClAdo and 2 CldAdo had different cytotoxicities on the cells, while 2' dAdo had no cytotoxicity on the cells. 2 CldAdo blocked the cell growth at the phase of S and G2/M, while 2 ClAdo at the phase of G0/G1. 2 CldAdo mainly induced cell necrosis, while 2 ClAdo induced both cell necrosis and apoptosis. Down regulated Bcl 2 expression and up regulated p53 and Bax expression were associated with 2 ClAdo, while 2 CldAdo down regulated Bcl 2 expression and up regulated mildly p53 expression without any effect on Bax expression.

结果 2 ClAdo、2 CldAdo对所研究的细胞均有程度不等的毒性；2' dAdo对各细胞生长、增殖均无明显抑制（c=100 μmol/L即30 μg/mL内）；2 CldAdo明显阻断细胞于S、G2/M期，2 ClAdo阻断细胞于G0/G1期；2 CldAdo 致细胞坏死为主，2 ClAdo 既致细胞坏死又诱导凋亡；2 ClAdo 下调Bcl 2，上调P53、Bax蛋白表达；2 CldAdo小幅上调P53、小幅下调Bcl 2，不影响Bax蛋白表达。

ACTH〓 at concentration of 10〓-10〓 had no significant influence on the saturation curve, Scatchard plot and Hill plot of 〓-DAGO binding to rat brain membrane.

〓在〓范围内对〓的饱和曲线，Scatchard图形及Hi11图形没有明显的影响；但在较高浓度时可以完全取代〓与其受体的结合，〓为37.1±21.8μmol/L，其抑制μ配体〓结合的强度与δ受体的配体DPDPE和κ受体的配体U50488H大致相当，只是稍弱一些，分别是它们的1／8和1／4。

The excessive amounts of NaCl in solution act as the denaturant in the thermal denaturation of lysozyme.

当NaCl浓度高于0.6 mol/L时，第二次热变性时的溶菌酶完全失去活性。

According to the characteristic that the isoflavonoids of Derris elliptica Benth have a distinctive absorption spectrum within the ultroviolet wave length range (210￣ 345 nm, 290￣305 nm), a new method for determining the total isoflavonoids in Derris elliptica Benth by Ultroviolet Spectrometry has been put forward.

根据鱼藤中异黄酮类化合物在紫外光210～245nm及290～305nm处具有吸收峰这一特性，提出了用紫外分光法测定鱼藤中异黄酮类总含量的方法。在300nm波长处，浓度低于6×2.618×10－3／mol·L－1时，测定了标准系列的吸光值，结果表明吸光值与浓度近乎直线相关，相关系数为0.9977；标准系列吸光值准确性高；加样回收率达99％以上；测定样品时，重现性好

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。