产下

Two different catalysts for oxidative coupling of 2-naphthol to give racemic 1,1′-binaphthene-2,2'-diol were introduced and the yields in different conditions were studied.

介绍了两种在水相中利用2-萘酚氧化偶合制备外消旋1，1'-联-2，2'-二萘酚的催化剂，并对不同反应条件下的产率进行了研究。

The reaction of polyfluoroalkyl iodides with 4-pentenoic acids in the presence of sodium dithionite at room temperature in aqueous acetonitrile solution [CH〓CN: H〓O=3: 1 ] to gave the corresponding adducts, the latter could form γ-lactones 31～51 in the same medium in 62～92％ yield.

室温下，在乙腈/水[3：1]的介质中，多氟烷基碘化物在连二亚硫酸钠的存在下与4-戊烯酸及其在2或3位上具有取代基团的衍生物进行反应，反应2～5h，起先生成两者的加成物，该加成物无需分离，在同一介质中，可进一步反应得到相应的多氟烷基取代的γ-丁内酯31～51，产率62％～92％。

The influence of Kant's subject theory was so great that the entire legal philosophy and legal dogmatics were under his influence; even the final result also decided the legal definition of subject attribute.

康德的主体理论影响之大，使整个新的法哲学和法律教义学都处在他的影响下，乃至于最终产也决定了法律对主体属性的界定。

Therefore this downdraft gasifier with 1000mm height and 200mm diameter is used in this study to investigate the relations between quality of producer gas and operation conditions.

因此，本研究以向下气流式式气化炉（高度1000mm与直径200mm）来探讨操作条件对产气状况之影响研究。

Under the optimal conditions, the final cell dry weight,trehalose concentration were 8g/L,10%,respectively.

在初步优化培养基条件下，酿酒酵母产海藻糖的细胞干重 8g/L ，海藻糖的含量为 10 %。

Under the organization of the Communist enterprises, labors carry out orderly economization in production, technological innovation and production invention to increase the production capacity of the enterprises.

劳动者在共产企业的组织下开展有序的生产节约、技术创新和生产发明活动，提高企业的生产能力。

Experimental study on the performance of system was worked out using electric heater as solar collector.

实验中，对系统的瞬态和稳态性能进行了测试，给出了系统在不同运行温度、压力下的产水速率和性能系数。

One pot synthesis of tetrahydroquinolines from aldehyde, aniline and enol ethers catalyzed by iodine was also applicable and provided tetrahydroquinolines in comparable yields.

在碘的催化下，从醛、苯胺和烯醇醚出发"一锅"合成了四氢喹啉衍生物，反应的产率与使用预制的亚胺进行的反应基本相同。

Objective To study the inhibitory effect of erythritol by contrast to xylitol on growth and acid produc-tion of Streptococcus mutans.

目的 对比相同浓度下赤藓糖醇和木糖醇对变异链球菌生长和产酸的影响。

It indicated that the growth and acid production of S.mutans were higer in 0.5%, 1%, 2% erythritol culture medium than in xylitol culture medium at the same concentration, while lower in 8%, 12%, 16% erythritol culture medium than in xylitol culture medium at the same concentration.

在8%、12%、16%浓度下，赤藓糖醇培养基的A值较木糖醇培养基低，pH值较木糖醇培养基高，说明变异链球菌在含8%、12%、16%赤藓糖醇的培养基内的生长和产酸能力明显较相同浓度木糖醇培养基低。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。