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When the concn. of NaCl was lower than 200 mmol/L, the contents of chlorophyll in saltbush leaves had no significant increment in CK and treatments with Spd and Spd+DCHA and when the concn. of NaCl was 400 mmol/L, their chlorophyll contents were increased significantly.

NaCl浓度低于200 mmol/L时，对照和Spd、Spd+DCHA处理的滨藜叶片中的叶绿素含量增加不显著，NaC l浓度为400 mmol/L时，它们的叶绿素含量增加显著。

In order to study the protection of β-carotene and vitamin C against the transformation of human lung fibroblasts cell induced by nickel sesquioxide, HLF cells were treated repeatedly by different concentrations of Ni2O3 in vitro.β-carotene (5.4mg/L) and vitamin C(1.8mg/L) were added into the media containing Ni2O3 (1.0mg/L) respectively. The identification of malignancy of the transformation of HLF cell was carried out by the tests of ConA and the growth on semisolid agar culture. The results showed that Ni2O3 could induce the malignant transformation of HLF cell. The transformed cell proliferated rapidly.

为了探讨三氧化二镍(Ni2O3)诱导人肺成纤维细胞恶性转化作用以及β-胡萝卜素和维生素C的保护作用，用不同浓度的Ni2O3在体外多次处理HLF细胞，利用刀豆凝集素A凝集实验和软琼脂集落形成实验进行转化细胞的恶性鉴定；同时添加β-胡萝卜素(5.4mg/L)和维生素C的食物(1.8mg/L)，观察对Ni2O3转化作用的影响。

The results of MTT method In vitro culture renal tubular cells showed that the proliferous activity changed from sightly to dramatically intensed in response to fluoride concentration from 0.1mg/L to 15mg/L, but renal tubular cells proliferation obviously decreased in the 25mg F-/L group.

利用生物化学方法检测氧化应激指标，结果表明在钙营养充分的条件下，投氟100mg/L 16周大鼠肾组织GPX活性不是下降而是明显提高，脂质过氧化物变化不明显；低钙饲养条件下投氟100mg/L 16周大鼠抗氧化酶SOD活性亦有明显升高，而GPX却呈降低趋势。

Finally,the process conditions establish foundation of biotransformation for utilizing starchiness,expand raw material source,and reduce cost of producing lactic acid. And the process conditions of producing L－lactic acid from potato starch were established and provide the scientific foundation for commercial process.

探索出利用马铃薯淀粉为原料直接发酵制备L－乳酸的生产工艺条件，为综合利用淀粉质等生物质原料进行生物转化奠定了基础，并拓宽和增加了发酵生产L－乳酸的原料来源渠道，降低L－乳酸的生产成本，为大规模工业化生产L－乳酸提供了科学依据。

In the pH=7.00 phosphate buffer solution, the ethinylestradiol's electrical behavior has been studied in a detailsed way at the MWNT /graphite modified electrode. The results show that: the ethinylestradiol can generate a sensitive oxidation peak at about +0.550V on the MWNT /graphite modified electrode. The oxidative peak curent was linear to diethyl stilbestrol concentration over the range from 1.00×10-6 to 2.00×10-4 mol/L , the linear regression equation was ip= 2.4144+4.55×104cmol/L, the detection limit was 3.00×10-7 mol/L . The oxidation of ethinylestradiol was attributed to adsorption controlling process at MWNT /graphit modified electrode.

在pH=7.00的磷酸盐缓冲溶液中，利用MWNT/石墨修饰电极详细研究了乙炔雌二醇的电化学行为，结果表明：阳极扫描过程中，乙炔雌二醇在+0.550V出现一个灵敏氧化峰，该氧化峰电流与其浓度在1.00×10-6～2.00×10-4 mol/L的浓度范围内有良好的线性关系，线性回归方程为：ip= 4.14+4.55×104c，回归系数为：0.997，检测限为3.00×10-7 mol/L。

The present thesis showed that root elongation of alfalfa (Medicago sativa L.) during a 24-h period was inhibited by 80% by the exposure to 5 umol L-1 Al and its roots was obviously stained by eriochrome cyanine R; however, the roots of stylo need to be exposure to 30umol L-1 Al in order to get obviously stained with its root elongation was inhibited by 68%, which shows, for stylo, its ability of tolerance to aluminum is strong.

本研究发现，5 μmol L~(-1)AlCl_3使紫花苜蓿根长抑制80.0％，铝处理后的根尖被铬天青明显染色，而柱花草经30 μmol L~(-1)的AlCl_3处理后方观察到根尖明显染色的现象，根的伸长受抑制68.0％，表明柱花草抵御铝毒能力较强。

The inward current in OHCs was totally inhibited after the superfusion of 100μmolIL and 200μmo1/L linopirdine respectively. The outward rectifier K(superscript +) current I(subscript K was the dominant K(superscript +) current in the whole cell currents in Deiters' cells. In the presence of 200μmol/L linopirdine, the current was not significantly affected.

在细胞外液中，加入100μmol/L利诺吡啶后，OHCs中的四乙基二乙胺敏感的钾电流峰电流成分被抑制，稳态电流幅值减小，且电流的失活时间常数明显延长；在细胞外液中加入100μmol/L利诺吡吮后，OHCs的内向性钾电流I被完全抑制；而细胞外液中利诺吡啶终浓度为200μmol/L时，Deiters 细胞的外向整流性钾电流幅值无明显变化。

In vitro micropropagation of Taraxacum formosanum Kitamura was established to get maximum shoots multiplication rate by cultivating stem-node on MS medium supplemented with BA 0.6 mg/L+ NAA 0.06 mg/L and rooting rate achieved 100% by cultivating on MS and 1/2 MS medium or it supplemented with IBA 0.2 mg/L for 3 weeks.

试验结果发现龙珠顶芽优势强，在腋芽的增殖上，於BA 0.1 mg/L + NAA 0.01 mg/L之MS培养基，虽然可获得最多芽数，但产生的腋芽数只有2.3，且高度较矮，不易切芽，建议以MS为增殖培养基；在发根方面，不管在MS、1/2 MS或是添加IBA，培养4周后，发根率均为100%。

For cutting propagation of semi-lignified branches in P. frasery, it was suitable to take perlite: vermiculite: turves=l:2:l or 1:1:2 as medium. The most appropriate concentration of ABT1 rooting powder solution was 200 mg/L.

结论］对于红叶石楠半木质化枝条的扦插繁殖，使用基质珍珠岩：蛭石：泥炭＝1：2：1或l：1：2较适合。1号ABT生根粉溶液的处理浓度以200mg/L最为适宜。

Compared to the other carbon and nitrogen sources studied, sucrose and malt extract were found to be the suitable carbon/nitrogen sources. The decolorization efficiency of Cerrena unicolor Y5002 to orange G was similar at different orange G concentration below 500mg/L; however, alizarin red inhibited the decolorization reaction at the concentration of 400mg/L or above 400mg/L.

对一色齿毛菌Cerrena unicolor Y5002的液体培养脱色条件进行了研究，其最适碳源和氮源分别为蔗糖和麦芽浸粉；在不同橙黄G浓度下均获得较高的脱色率，因此浓度为500mg/L的橙黄G未对该菌的脱色能力产生抑制作用，而浓度为400mg/L茜素红则对其脱色作用产生明显抑制。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐