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To examine the capacity of alkaline resistance of Albizzia julibrissin Durazz seedlings,the contents of MDA,soluble sugar and proline,and the activity of POD and SOD in Albizzia julibrissin durazz tree body were measured by means of visible spectrophotometry.

为检测合欢幼苗的抗碱胁迫能力，文章试验利用可见分光光度法测定了碱胁迫下合欢幼苗体内的丙二醛、可溶性糖、脯氨酸含量及POD、SOD活性，分析这些生理指标在不同处理浓度、不同处理时间下的变化规律，探求碱胁迫下合欢幼苗的抗逆生理机制。

AIM: To observe the effect of solanine on the contents of caspase-3 and Bcl-2 in HepG2, and to explicate the mechanism by which solanine induces the apoptosis of tumor cells. METHODS: Laser confocal scanning microscopy and Western blot were used to measure the contents of caspase-3 and Bcl-2, and LCSM was used to determine their locations in the cell. RESULT: Solanine markedly increased the content of caspase-3 while decreasing that of Bcl-2 in HepG2, both in a dose-dependent way.

目的：观察龙葵碱对HepG2细胞内caspase-3及Bcl-2蛋白含量的影响，阐明龙葵碱诱导肿瘤细胞凋亡的作用机制方法：采用激光共聚焦扫描显微术和Western blot法检测caspase-3和Bcl-2蛋白含量，并对二者在细胞内的位置进行定位结果：龙葵碱能够显著升高跳西2细胞内caspase-3蛋白含量，降低Bcl-2的含量，并且均具有剂量依赖性。

According to petrographic facies test, gravel sample mainly consists of quartz, albite, dolomite, and minor biotite; and sand sample is mainly made up of quartz and albite. As an important ASR active mineral, chalcedonite exists in fractures of dolomite and in matrix of cherty limestone. In rapid mortar bar test, expansion of sand, small gravel and middle gravel at 14 day are less than 0.1%, but keep increasing in long term.

岩相法检测显示卵石样品主要由石英、钠长石及白云石和少量云母类矿物组成，砂样品主要由石英、钠长石等矿物组成，重要的碱活性物质玉髓主要出现在白云岩裂隙和硅质灰岩的基质中；&砂浆棒快速法&检测结果显示砂、小石、中石样品14天的膨胀率均不超过0.1％，为非碱－硅酸反应活性骨料，但卵石样品仍具有一定的碱活性，且后期膨胀率一直持续增长。

Finally, two tetranuclear Cu~(2+) complexes were constructed from a new salen ligand with alkoxo groups. The two complexes were obtained by the reaction of the same ligand with Cu~(2+) in different solvents, i.e., a stage tetranuclear complex and a pseudo-cubane tetranuclear complex in MeOH and THF, respectively.

最后，本文以Schiff碱类过渡金属配合物发展应用为研究背景，设计并合成了一种新型Schiff碱及其两种构型的Cu金属配合物，发现所设计的具有和三个Schiff碱配体，与Cu_2在不同的反应溶剂中进行配位反应时，可以得到不同结构的配合物。

In view of solving the pollution problem of waste alkali liquor in oil refineries, 5 optimized strains were screened and domesticated from refinery sludge for the degradation of alkaline wastewater. It can be seen that the degradation performance of these 5 strains was significant by comparing the chemical oxygen demand value.

针对炼油厂高浓度废碱液污染大、难处理的问题，从污泥中经过驯化分离，筛选出5株用于废碱液降解的优势菌，经过对5株菌降解化学耗氧量的比较，优势菌对废碱液的降解效果明显。

It is found that degree of ring formation, concentration of alkaline solution, time of alkaline treatment have great effects on the mechanical properties of PHGF; the alkali treatment of PHOF is easier than solid oxidation fibers.

发现环化程度和碱溶液浓度、碱处理时间对PHGF的拉伸行为和力学性能有较大的影响，PHOF的碱处理比实心氧化纤维容易进行。

Methods Macrophagea were cultured in 6-hole plate and coverslip was prepared. Then macropages were cultured one day with different concentrations(0, 12.5, 25.50, 100, 200 mg/L) of matrine, oxymatrine and sophordine; the expression of CD91 and CD13 by immunohistochemical dyeing was analyzed by Image-Pro plus system (Media Cybemetic, Inc., 6.0 edition).

(1)用6孔板培养巨噬细胞RAW264.7，制作细胞爬片，然后与不同浓度(0、12.5、25、50、100、200 mg/L)的苦参碱、氧化苦参碱和槐定碱共培养，细胞爬片免疫组化染色，检测CD91和CD13的表达情况，并采用Media Cybernetic、公司的图像分析系统进行定量分析，测量积分光密度值。

The nucleosides and their bases in Cordyceps sinensis. of different origin and in its adulterations and counterfeits were studied by HPLC. The components and contents of nucleosides and their bases in Cordyceps sinensis.,and in the adulterants and the counterfeits were compared to find the difference among them.

采用HPLC法对不同产地的冬虫夏草中核苷及其核苷碱基进行测定研究，并用该方法测定混淆品及伪品中核苷及核苷碱基的含量，比较正品、混淆品及伪品中核苷及核苷碱基的种类和含量，找出它们之间的差异规律。

PCE-C was exrtacted by water extraction and alkali extraction technology. The results showed that the yeild of PCE-C by water extraction was lower than alkali extraction, while the hypoglycaemic activity followed reverse order.

分别采用水提和碱提两种工艺提取PCE-C，由PCE-C的得率及活性测定结果可知，水提工艺提取的PCE-C的得率略低于碱提工艺，但降血糖效果强于碱提。

In despite of long primer PCR reaction performed under low stringency or high stringency or by two steps, the assay showed that the PCR products which were clear and bright did not include the target sequence.

因此，本实验中的长引物(19、22碱基)不适合单引物PCR；在较短的引物中，6、8碱基引物不适用于单引物PCR，而10碱基单引物PCR则是一种可行性较高的染色体步移策略。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。