查询词典 lixiviation

The characteristic of pectinases production by solid state fermentation with Penicillium oxalicum BZH-2002 and lixiviation condition were investigated.

对草酸青霉菌BZH-2002菌株固体发酵果胶酶的特性及浸提条件进行了研究，确定其最佳产酶时期为72-92h，利用干物质量最快的时期为24-72h，发酵产酶期间培养基介质中pH值呈"V"字形变化。

According to the features of amino acids in tea, those tea pretreatment methods mainly including extraction and lixiviation, and those popular determining methods mainly including automatic amino acid analyzer, high performance liquid chromatography, capillary electrophoresis, etc.

摘 要：在参阅1907年以来国内外关于茶叶氨基酸分析的180余篇文献的基础上，对茶叶中氨基酸的分析方法做了较系统的介绍，并针对茶叶氨基酸的特点，就茶叶样品的前处理方法(主要包括萃取法和浸提法)及目前常用的分析方法(主要包括氨基酸自动分析仪法、高效液相色谱法、毛细管电泳法等)进行了评述。

The optimal technical conditions were summed up as follows in zein extraction: addition of 75 % ethanol solution (ratio of solution and materials as 6:1), then 2 h lixiviation at 60 ℃, then centrifugal separation, and the recovery rate of zein achieved 67.37%.

实验确定了提取玉米醇溶蛋白的最佳工艺条件为：添加液料比为6：1的75 %乙醇溶液，在60 ℃浸提2 h后，离心分离，醇溶蛋白回收率为67.37 %。

Although soil salinilization was prevalent,drainage systems and freshwater lixiviation improvednatural salt-affected soils.

这是雏形土的典型鉴定特征。

Combing with oxygen or reducing substances in grape juice, SO2 not only has theeffect of antioxidation but also can improve acidity and the efficiency of Lixiviation, which has good effect on color and aromaof grape juice.

许多研究研究表明，游离SO2在葡萄汁中起到杀菌和澄清的作用；SO2与空气中的氧气或葡萄汁中的还原物质结合不仅起到了抗氧的作用，还提高了酸度，增加了浸提效果，对葡萄汁的色泽及香气产生良好的影响。

According to the features of amino acids in tea,those tea pretreatment methods mainly including extraction and lixiviation,and those popular determining methods mainly including automatic amino acid analyzer,high performance liquid chromatography,capillary electrophoresis,etc.were described too.

在参阅1907年以来国内外关于茶叶氨基酸分析的180余篇文献的基础上，对茶叶中氨基酸的分析方法做了较系统的介绍，并针对茶叶氨基酸的特点，就茶叶样品的前处理方法(主要包括萃取法和浸提法)及目前常用的分析方法(主要包括氨基酸自动分析仪法、高效液相色谱法、毛细管电泳法等)进行了评述。

This paper introduces the current methods to treat solid wastes abroad such as cement solidification, fly ash thermo-treatment, chemical solidification, chemical lixiviation and so on.

飞灰的处理是控制重金属污染的关键，目前处理垃圾焚烧飞灰中重金属污染物的常用方法有：水泥固化法、化学药剂稳定法、飞灰热处理、化学浸提法等，生物淋滤法是近年新兴起来的金属浸提技术。

Pers. and GIM5.29 as the research object, the difference of polysaccharide yield with lixiviation in polysaccharide extraction between ultrasound and enzyme was observed. At the same time, the difference of polysaccharides yield of these two Morchella was compared.

Pers。及黑脉羊肚菌GIM5.29的菌丝体作为实验对象，研究与常规热水浸提方法相比，超声及酶处理对多糖得率的不同影响，并比较两类羊肚菌在多糖得率上的区别。

Normal temperature lixiviation had long production period but the produced wine had clean color and enjoyable taste.

常温浸提生产周期长，酒的色泽净雅、口感较好；加温浸提生产周期虽短，酒的色泽浓浊、口感较差。

The whole experiment process was divided into three parts - reduction roasting pyrite cinder, vitriol lixiviation and catalytic-oxidation polymerization, the optimum condition was defined in every part, and the production quality and flocculation performance were tested, good results were gained.

本实验采用还原焙烧、硫酸浸取、催化氧化聚合的工艺制取聚合硫酸铁，确定了各个阶段的最佳工艺条件，并对制取的PFS进行了产品质量检验和水处理效果实验，取得了良好效果。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。