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Assimilatory nitrate reductase is a soluble, multiple center redox enzyme that catalyses the two-electron reduction of nitrate to nitrite using pyridine nucleotide as a electron donor.

植物中的硝酸盐还原酶(nitrate reductase，NR)作为限速酶，催化硝酸盐还原为亚硝酸盐，这一过程在氮代谢中处于关键地位，对植物生长发育、产量形成有重要影响。

Dry weight and alkaloid of bulb of F.thunnbergii Miq were increased realated assumably to the rising of some enzyme activity during the secondary metabolism. The change of soluble sugar of old bulb was minished, but that of new bulb fluctuated. In our reseach the result of combined treatment about 4.25 kJ.m~(-2).d~(-1) was the best.

3实验发现，对浙贝母补充UV-B辐射后，浙贝母鳞茎的干重和生物碱含量上升，这可能与UV-B刺激次生代谢过程中的关键酶活性有关；而母鳞茎和新鳞茎的糖含量与对照相比有所减少，但新鳞茎的糖含量总体趋势处于波动状态。

In this paper, we discuss the dynamics of soluble sugars, gibberellins, tannins and flavonoids during the life cycle of Iva xanthifolia, to enrich our understanding of this asteraceae weed that is widespread in northeast China.

本文试图从生理生化的角度对假苍耳生活史进程中可溶性糖类、赤霉素、单宁以及黄酮的变化进行探讨。

To exploit highly bioactive natural antifungal medicaments from starfish, water-soluble starfish glycosides from Asterias rollestoni were isolated and purified by macroporous resin column and silica gel column chromatography, and their antifungal bioactivities were also examined.

为了分离纯化出具有强抗真菌活性的水溶性海星皂苷，以罗氏海盘车腕为实验材料，利用水抽提方法获得水溶性海星皂苷粗品，依次利用大孔树脂和硅胶柱层析对水溶性海星皂苷进行了纯化，并对其抗真菌活性进行了测定。

Here, we presented a method to bacterially express the major structural protein L1 of Human Papillomavirus type 18 (HPV18) as soluble form. We found that the purified L1 could self-assemble to virus-like particles.

利用大肠杆菌表达系统可溶性表达人乳头瘤病毒18型(HPV18)L1蛋白，经过纯化和重组装过程获得HPV18病毒样颗粒，研究其免疫原性和诱发中和抗体生成的水平。

The soluble protein content and its SDS-PAGE patterns in leaves of Neosinocalamus affinis, Dendrocalamus farinosus and Bambusa rigida from the different regions of Sichuan province were studied.

以四川省不同地区慈竹、梁山慈竹及硬头黄竹的叶片为材料，测定叶片可溶性蛋白质含量，采用SDS-PAGE技术研究其可溶性蛋白谱带的差异。

It was also found that beadlet carotenoids, especially anthaxanthin and lutein, had better antioxidative effectiveness compared to oil-soluble carotenoids.

同时乳化态的类胡萝卜素抗氧化效果较脂溶性的类胡萝卜素效果显著。

In this paper,water-soluble ionic liquid BeS was used as extractant for sulfur compounds thiophene,2-methyl thiophene,benzothiophene,dibenzothiophene in simulated fuel and the feasible operation conditions were confirmed by extraction experiments.

选择水溶性的离子液体BeS作萃取剂，对模拟油品中的4种含硫有机物噻吩、2-甲基噻吩、苯并噻吩、二苯并噻吩进行了萃取，确定了适宜的萃取操作条件。

Two novel soluble poly, poly [(3-butyrylpyrrole-2, 5-diyl) p-nitrobenzylidene] and poly [(3-butyrylpyrrole-2, 5-diyl)(3-hydroxy-4-methoxy) benzylidene], were synthesized firstly by condensation of 3-butyrylpyrrole with p-nitrobenzaldehyde and vanillin, respectively.

通过3-丁酰基吡咯单体分别与对硝基苯甲醛和香草醛的缩聚反应，成功合成了两种新型可溶性聚吡咯甲烯衍生物－策［（3-丁酰基吡咯－2，5-二）对硝基苯甲烯］和聚［（3-丁酰基吡咯－2，5-二）（3-羟基－4-甲氧基）苯甲烯］。

The content of proline and soluble sugar in Biddulphia sp.(H-1) is increased rapidly with low temperature stress.

低温胁迫能够诱导硅藻H-1细胞内可积累大量的脯氨酸和可溶性糖，二者在硅藻H-1的低温适应性中发挥了重要作用。

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