查询词典 approximate amount

For the synthesis reaction of chalcone, cyclohexanone aldolization and biodiesel,γ-Al_2O_3-NaOH-Na solid superacid has a satisfactory catalytic activity. With hypnone and phenylaldehyde as raw material, amount of catalyst 7.5% wt% of material, mole ratio of hypnone and phenylaldehyde 1:1.1, reaction temperature 40℃, after 3 hours, the yield of chalcone can be up to 96.88%. With cyclohexanone as raw material, amount of catalyst 10% wt% of material, reaction temperature 190℃, after 3 hours, dimmer of cyclohexanone can be up to 85.66%.

将该固体超强碱催化剂应用于查尔酮、环己酮自缩合以及生物柴油的合成反应中，该改性固体超强碱催化剂表现出了良好的催化活性：以苯乙酮和苯甲醛为原料，反应温度为40℃，催化剂用量为反应物总质量的7.5％，苯甲醛与苯乙酮摩尔比为1：1.1，反应3h查尔酮产率可达96.88％；以环已酮为原料，催化剂用量为原料总质量的10％，反应温度为190℃，反应3h，二聚物的总收率可达85.66％；以动物油和甲醇为原料，醇油摩尔为9：1，催化剂用量为动物油质量的2％，反应温度为70℃，反应3h后，生物柴油的收率可达91.8％。

With a quantitative amount of catalyst, the yield of acetyl alginic acid was increased with reaction time; but as time being constant, the yield was increased with the amount of catalyst.

在相同的催化剂量下，乙酰褐藻酸的产率随反应时间加长而提高；当反应时间相同时，其产率随催化剂用量加大而提高。

Connaughton (1994) and Sprague (2000) mentioned that the differences of length, weight, and tension of the sonic muscle and the amount of protein and glycogen affect the types of sounds emitted. To reveal the producer of high-frequency sound, this research analyzed and compared the length, width, thickness and somatic of sonic muscle and the amount of protein and glycogen in seven sciaenid species occuring on the west coast of Taiwan (Johnius tingi, Johnius sina, Johnius amblycephalus, Johnius amblycephalus, Pennahia argentata, Chrysochir aureus, and Otolithes ruber), then to find if the differences of physic parameter and energy supplication are the major factors making O. ruber produce high frequency of sound.

在Connaughton (1994)和Sprague (2000)研究报中指出造成石首鱼产生不同型态的声音主要取决於发声肌肌纤维的长度、重量、张力、蛋白质与肝醣含量的差异性，为了证实高频声音确实为红牙鱼或所产生，本研究将分析比较在台湾西岸海域其他不同石首鱼(红牙鱼或、黄金鳍鱼或、白姑鱼、中华叫姑鱼、皮氏叫姑鱼、丁氏叫姑鱼与顿头叫姑鱼)发声肌之长度、重量、蛋白质与肝醣含量差异，探讨发声肌在物理参数与能量的供应的差异是否为造成红牙鱼或产生高频鸣音之主要因素。

ABSTRACT In the process of rare earth production, large amount of sulfuric acid, hydrochloric acid and ammonia are consumed, However, there are large amount of sulfuric acid, hydrochloric acid or ammoniacal nitrogen in solutions or discharged waste water which need to be treated.

稀土冶炼过程中，一方面大量使用硫酸、盐酸及氨等化工原料，另一方面，在生产过程的某些中间环节或排放的废水当中，又含有大量的硫酸、盐酸或氨氮化合物需要处理。

Result］ The color and elasticity of steamed breads made from 250 g flour added with 50 g cactus juice and 30 g amomum juice were bad and their surface was not smooth;when the addition amount of cactus juice was 70 g,the elastic extensibility of steamed breads was bad;when the addition amount of cactus juice was 90 g,the elasticity of steamed breads was good and their surfaces were smooth.

结果］ 在250 g面粉中加入50 g仙人掌汁、30 g砂仁汁蒸制的馒头色泽、弹性不佳，表面不光滑；加入70 g仙人掌汁时馒头的弹性延伸性不好；加入90 g仙人掌汁时，馒头的弹性佳，表面光滑。

I think if we select our patients right, those with a significant amount of ischemia and/or a significant amount of anginal symptoms, than PCI will be of significant benefit.

若纳入患者更正确些，那些心绞痛发作频繁和/或心绞痛症状明显的患者，会大大从PCI治疗中受益。

Methods The cases undergone coronary anography were collected and divided into three groups: group A, 30 patients with the coronary artery ectasia (7 cases of simple coronary artery ectasia; 18 cases of the coronary artery ectasia coexisting a small amount of plaque); group B, 38 patients with coronary atherosclerosis; group C, 32 patients with with normal angiograph (14 cases of coronary artery completely normal; 18 cases with a small amount of coronary plaque only).

选择我院行冠脉造影的患者，分为冠脉扩张组25例（单纯冠脉扩张7例；冠脉扩张合并少量斑块18例），冠脉粥样硬化组38例，冠脉正常组32例（冠脉完全正常14例；冠脉有少量斑块18例）。

Both the buyer and the seller should be familiar with not only the money amount,but with the amount and quality of the product or service to be exchanged ,the form of money to be used,the credit terms and discounts that appay to the transaction,guarantees on the product or service,delivery terms,return privileges,and other factors.

买卖双方不但要清楚交易中的钱数，而且要非常熟悉交易物的质量和数量，交易的时间、地点，采用哪种形式付款，有怎样的缓付和优惠，对交易物的质量保证、交货条款、退赔权利等等。

A marine diesel engine lubricant composition having a TBN of at least 10 and preferably a VI of at least 90, comprises a major amount of oil of lubricating viscosity, and admixed therewith, minor amounts of an ashless antiwear additive and a metal detergent in the form of an overbased metal detergent having a TBN at least 300, preferably at least 330, more preferably at least 400, and comprising a surfactant system derived from at least two surfactants, and/or a metal detergent other than; provided that, if detergent is present, the composition does not contain a minor amount of an extreme pressure additive, being up to 5.0 mass % based on the total mass of the composition.

本发明公开了一种TBN至少为10且优选Ⅵ至少为90的船用柴油机润滑剂组合物，该组合物包含主要量的具有润滑粘度的油、以及混入其中的少量无灰抗磨添加剂和金属洗涤剂，后者的形式为：TBN至少为300，优选至少330，更优选至少400且包含衍生自至少两种表面活性剂的表面活性剂体系的高碱性金属洗涤剂，和／或非的金属洗涤剂；前提是，如果洗涤剂存在，该组合物就不含少量的最高占所述组合物总质量5.0％质量的特压添加剂。

The industry has made some strides in reducing the impact of its operations on a project-by-project basis - so, for example, the amount of greenhouse gas emissions that are produced per barrel or the amount of water that must be withdrawn from the Athabasca River to produce a barrel of oil.

随着一个又一个项目的兴起，新建立的工业已经大大减弱了这一地区的这种影响力--例如，每生产一桶石油所释放出的温室气体数量，每生产一桶石油所消耗的阿萨巴斯卡河的水量，它们都在一点一点地让这片森林失去它原有的功能。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切