查询词典 crude

On the basis of comprehension of process flow , process mechanism and principle of crude oil distillation, we analyze various factors which affect viscosity and flash point.

在了解了工艺流程、工艺机理和原油蒸馏的原理的基础之上，分析了影响粘度和闪点的各种因素。

with the hydroisomerization dewaxing process of shell company, apiⅱgroup and apiⅲgroup lube base oils were produced by taking vgo no.4 and dao from xinjiang karamay paraffin crude oil as raw materials after a series of lab tests and commercial trial production. the developed oils can meet the quality requirements of hviwh300 and vhvih90bs respectively. but all the haze points of the two products are about 16 ℃, and the floccus will appear in these oils with the time going by. the problem of haze point in high viscosity lube oil will still need to study continually.

采用壳牌公司以异构脱蜡催化剂为核心的全加氢工艺，对新疆克拉玛依石蜡基原油减四馏分油、轻脱油进行了实验室工艺研究，并经工业试生产，可以生产出apiⅱ、ⅲ类润滑油基础油，其主要产品性质可以分别满足中国石油hviwh300、vhvih90bs的质量要求，但这两种大粘度产品浊点达到16 ℃左右，室温下长期存储会出现絮状物，需要进一步研究解决。

It is sub-Saharan Africa's fourth-largest producer of crude oil but much of its revenue is spectacularly squandered.

赤道几内亚是撒哈拉以南非洲的第四大产油国，但其最令人注目的是其对收入的浪费。

The crude protein contents and the amino acid composition in foxtail millet of north typical cultivars were analyzed in the paper.

分析北方具有代表性不同品种小米中的粗蛋白质含量和氨基酸组成，研究了小米中氮含量和赖氨酸含量的相关性。

Macroporous adhesive resin column and Sephadex LH20 column were employed to separate and fractionate the crude extract and the structures of the main compounds were analyzed by HPLC-ESI-MS.

通过大孔树脂结合SephadexLH—20对芒果多酚粗提物进行分离纯化和分级制备，采用HPLC-ESI-MS对主要组分的结构做了初步分析。

Under prospective, random, controlled trial, We fractionate 40 case report to two group, one is pure west medicine, other is combined therapy of Chinese medicine include Chinese crude drug, electro-acupuncture therapy, intermediate. We evaluate the curative effect by KUB and B Supersound , use postoperative rehabilitation measuring scale to analysis patient, and adopt Ward s method summarize the syndrome after operation.

术后两组患者结石残留率经统计分析无明显差异，KUB复查提示两组疗效相当，差别无显著性意义，提示术后短期内(7天)结石残留率取决于手术情况，中医介入治疗不能改变短期结石残留率，但长期疗效有待进一步研究。

P28 紫色 Formation of a peptide bond 肽键形成–4侧链具有的反应–形成二硫键-其它反应 Tyr,His,Arg Review Isoelectric Point Titration滴定 of an amino acid 滴定 Gly幻灯片 18 His Lys Glu Reaction of amino acids Section 4 Protein isolation and purification 蛋白质分离及提纯 Working With Proteins Experimental techniques for protein analysis and characterization Purification steps A cell contains many types of proteins In the lab we want to isolate a single protein for experiments Purification steps We first grow cells or isolate tissues that contain the protein of interest We break open the cells to produce a crude extract Use centrifugation离心 to separate soluble from insoluble material We fractionate 分离 the protein mixture based on properties of such as size, charge affinity or solubility.

丹磺酰氯与氨基酸反应生成荧光性质强和稳定的磺胺衍生物，用于多肽链NH 用于多肽链 3末端氨基酸的标记烃基化反应(1) 2，4-二硝基氟苯2，4-dinitrofluorobenzene，二硝基氟苯(二硝基氟苯 DNFB也叫做试剂。DNFB在弱碱性溶液也叫做Sanger试剂试剂中与氨基酸发生取代反应，生成黄色化合物二硝基二硝基苯基氨基酸(dinitro phenyl amino acid， DNP氨基酸氨基酸)苯基氨基酸氨基酸(2)苯异硫氰酸酯(phenylisothiocyanate， PITC)在弱碱性条件下，与氨基酸反应在弱碱性条件下，生成苯乙内酰硫脲 PTH衍生物，(phenylthiohydantoin， PTH)衍生物，即PTH-氨基酸，此反应又称之Edman反应，该反应是蛋白质或多肽氨基酸序列测定常用的反应。

Let me tell you a story,that a girl was born in a simple and crude frame house in the west countryside of Tennessee,her family ,which had 22 children,was very poor,and she was the 22-nd one.

让我给你们讲一个故事，有一个女孩出生在田纳西州边远落后地区的一座简陋的木屋里，家境非常贫寒。

Most of the crude oil produced in our country has an excessively high freezing point and high viscosity.

为了探索利用国产原油洗舱的可能性，我们曾进行了多次模拟试验。

Of a barrel of crude oil = fuel that we use in our vehicles.

46-47%的原油=我们所用的燃油

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。