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The optimum conditions are: molar ratio of glycol to cyclohexanone is 1.6:1, the quantity of catalyst is equal to 0.25% of feed stocks, and the reaction time is 40 mm. H3PW12O40/MCM-48 is an excellent catalyst for synthesizing cyclohexanone ethylene ketal and its yield can reach over 80.63%.

实验表明：H3PW12O40/MCM-48是合成环己酮乙二醇缩酮的良好催化剂，在n：n＝1：1.6，催化剂用量为反应物料总质量的0.25%，环己烷为带水剂，反应时间40min的优化条件下，环己酮乙二醇缩酮的收率可达80.63%。

The objective of this study is to evaluate the validity of the existing relationships linking the consolidation yield stress to piezocone test data and identify the appropriate method for Lixia River lagoonal deposit soil.

评价了固结屈服应力与CPTU测试参数现有经验关系的有效性，并且确定出适宜于里下河地区泻湖相沉积土的预测方法。

Resource condition of the product: Jinhe Forest Industry Co., Ltd. commits the Inner Mongolia Da Xing An Ling Forest Planning Institute to evaluate the yield of ledum palustre oil so as to further assure the product source and quantity.

四、杜香的资源状况：为了摸清杜香的资源状况，保证杜香油的持续生产，金河森林工业有限公司委托内蒙古大兴安岭林业规划院对林区杜香的资源状况进行了勘测调查，并对杜香的采集、出油进行了测算。

Result For leonurus hetreophyllus, theexperimental results show that the hightest extraction yield can be obtained when microwave irradiation time is 5 minutes under the condition of the 640 power, the ratio of sample weight to solvent volume is 1 to 40, the immersion in water for 60 minutes.

结果 鱼腥草用微波火力640w、微波作用时间5 min、固液比1：40（g/ml及浸泡时间60 min，鱼腥草中总黄酮的提取效果最佳。

According to AD curve with AS curve nodical decision is real always yield and the general and balanced principle of price total level, be described like can correct ground and analyse each years of AD, the actual mobile contrail of AS curve, will conduce to the settlement of above difficult problem undoubtedly.

根据AD曲线与AS曲线的交点决定真实总产出和价格总水平的一般均衡原理，如能正确地描述和分析各年AD—AS曲线的实际移动轨迹，无疑将有助于以上难题的解决。

The testing methods and targets were shown as below:Recorded milk weights from the 7th day postpartum to 15th day postpartum,and calculate the average day-milk yield;Milk samples were draw in 7th day and 14th day postpartum,and testing the milk fat,milk lactose,milk protein,milk Zn and the milk somatic cell counts;Blood samples were adopted at the 7th day postpartum,testing the levels of serum PRL; Blood samples adopted at the 1st day and the 12th day in oestrous cycle were used to test the levels of E_2 and P_4 in serum;In the experimental stage, registering the condition of parturition, the mean birth weight of calves,the first oestrus,the oestrus scycle postpartum and the conception rate of the first service after artificial insemination.

试验方法及所测指标如下：于产后第七天到第十四天记录日产奶量，最后计算每组平均日产奶量；每组随机抽取分娩后第七天、第十四天的奶样，测定乳糖、乳蛋白、乳脂、乳锌含量及乳体细胞数；于产后第七天，随机采取奶牛血样，测定血清中PRL含量；于发情周期的当天和第12天，随机采取血样，测定血清中雌二醇(Estradiol，E2)和孕酮(Progesterone，P)的浓度；记录奶牛的分娩情况、犊牛初生重、产后第一次发情日期、产后发情周期，并采用人工授精技术进行受精，记录第一情期受胎率，最后取平均值，作为衡量奶牛繁殖性能的指标。

When the mixed-culture system was used to the traditional technology of Shanxi overmature vinegar with 3% inoculum, the yield of alcohol was increased by 14%, the conversion rate of alcohol to sugar was increased by 18.6%, and the content of ethyl acetate was doubled.

以3%的共培养物加入到传统山西老陈醋的酿酒过程中，主要生产指标较传统工艺有显著提高，其乙醇产量提高14%，糖醇转化率提高18.6%，乙酸乙酯的含量提高了1倍。

The appropriate conditions of polyaminating reaction was that oxycellulose chloride in 200mL DMSO was heated to 100℃with stirring,then was dropwised 10mL A2.3 and A3.4 separately,remaining the temperature for 12h,after pH was justed to 4-5,the products were obtained in 46%yield.

确定多胺化反应的较佳条件：在200mL DMSO搅拌加热至100℃，滴加A2.3和A3.4各10mL，维持温度反应12h，在酸性条件(pH：4-5)下生成，产率大约在46%左右。

The paper introduced three processes to prepare isochroman from β-phenethyl alcohol and polyformaldehyde:HCl catalysis,AlCl_3 catalysis and toluene-p-sulfonic acid catalysis,and discussed its reaction mechanism,using toluene-p-sulfonic acid catalysis method to prepare isochroman ,the yield is 46%,purity is 96%.

用β-苯乙醇和多聚甲醛为原料，进行了HC l催化法，三氯化铝催化法和对甲苯磺酸催化法的合成路线的实验，并对其反应机理进行了探讨，应用对甲苯磺酸催化法合成异色满的合成路线，得率46%，纯度96%。

Another method for determining primary structure is to employ Edrnan's , which reacts quantitatively with the free amino group of a peptide to yield the corresponding pheny lthiocarbamoyl peptide, leaving the rest of the peptide chain intact.

另一种可以决定初级结构的方法是用埃德曼降解法，它们能与肽键上的游离氨基定量反应，产生相应的苯氨基硫代甲酰肽，而其余的肽链保持不变。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失