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Calculation of pitch ing and heaving of a catamaran;3. The experimental methods and process are introduced in this paper for a catamaran rolling and pitch ing in regular waves, as well as the determination of some parameters of motion.

介绍双体船在规则波中的横摇和纵摇运动的试验方法和试验过程及运动参数的确定,主要研究了有无舭龙骨和重心高度变化对船舶运动性能的影响,并根据试验结果计算了在不规则波中的摇摆运动性能。

In the experiment, wheat (NongDa 189) plants were grown on a sand culture in a greenhouse. Relationship between leaf area and characteristic of root branching of winter wheat seedlings were studied, In addition, effects of phosphorus deficiency on leaf area, root morphology and measuring methods of root architecture were studied.

试验选用农大189号小麦为试验材料,进行温室内砂培试验,研究了冬小麦苗期积温、叶面积与根系分枝之间的关系,并探讨了磷胁迫对冬小麦苗期叶面积及其根系构型参数(主轴数量、长度、直径等)的影响,结果表明: 1。

The main component of ramie glial was pectin, hemicellulose and lignin; The single factor on degumming of ramie test was respectively analyzed with a high vigorous of pectinase KDN and TZ-888 compound enzyme (mainly xylanase and mannanase on the pH value, bath ratio, dosage of enzyme, metal ions, temperature and time.The orthogonal test of L9(34 were done by bath ratio, dosage of enzyme, temperature and time. The results showed that the best compages of KDN pectinase on degumming was 1∶12 of bath ratio,pH 8.6,1 mmol/L Mg2+,300 IU/g of KDN pectinase,35℃、6 h;the best compages of TZ-888 compound enzyme on degumming was 1∶18 of bath ratio,pH 4.0,1 mmol/L Ca2+, 500 IU/g of TZ-888 compound enzyme,45 ℃,6 h.

摘 要:本研究根据苎麻胶质的主要成分为果胶、半纤维素和木质素,用高活性的KDN果胶酶和TZ-888复合酶(主要是木聚糖酶和甘露聚糖酶)从pH值、浴比、酶用量、金属离子、温度、脱胶时间等方面进行单因素试验,然后选取影响显著的浴比、酶用量、温度,时间进行四因素三水平的脱胶试验,结果表明鲜麻采用KDN果胶酶脱胶最佳组合为浴比1:18,pH 8.6, 1 mmoL/L Mg2+,酶用量300 IU/g,温度35 ℃、时间6 h时处理,TZ-888复合酶脱胶最佳组为浴比1:12,pH 4.0, 1 mmoL/L Ca2+,酶用量500 IU/g,温度45 ℃,时间6 h进行脱胶为优化的试验条件。

The main component of ramie glial was pectin, hemicellulose and lignin; The single factor on degumming of ramie test was respectively analyzed with a high vigorous of pectinase KDN and TZ-888 compound enzyme (mainly xylanase and mannanase on the pH value, bath ratio, dosage of enzyme, metal ions, temperature and time.The orthogonal test of L9(34 were done by bath ratio, dosage of enzyme, temperature and time. The results showed that the best compages of KDN pectinase on dry ramie degumming was 1∶12 of bath ratio,pH 8.6,1 mmol/L Mg2+,20 IU/g of KDN pectinase,4℃、4h;the best compages of TZ-888 compound enzyme on degumming was 1∶18 of bath ratio,pH 4.0,1 mmol/L Ca2+, 300 IU/g of TZ-888 compound enzyme,40 ℃,5 h.

摘 要:本研究根据苎麻胶质的主要成分为果胶、半纤维素和木质素,用高活性的KDN果胶酶和TZ-888复合酶(主要是木聚糖酶和甘露聚糖酶)从pH值、浴比、酶用量、金属离子、温度、脱胶时间等方面进行单因素试验,然后选取影响显著的浴比、酶用量、温度,时间进行四因素三水平的脱胶试验,结果表明干苎麻采用KDN果胶酶脱胶最佳组合为浴比1:12,pH 8.6, 1 mmoL/L Mg2+,酶用量200 IU/g,温度45 ℃、时间4 h时处理,TZ-888复合酶脱胶最佳组为浴比1:18,pH 4.0, 1 mmoL/L Ca2+,酶用量300 IU/g,温度40 ℃,时间5h进行脱胶为优化的试验条件。

Traditional load applying methods are simple with little automatization, and most are done only on the plane so that complex spatial joint experiment is hard to achieve.

结构试验是研究节点性能的有效方法,传统的建筑结构试验设备加载方式简单、自动化程度低,多数只能进行平面加载,难以进行比较复杂的空间结构节点试验。

Studies the behaviour of ascorbic acid by carrying out deaeration tests, corrosion experiments and electrochemical tests.

通过除氧试验、腐蚀试验和电化学试验,研究了抗坏血酸在亚硫酸盐防腐蚀中的作用。

Experiments on purification technologies for the conversion of cornstalk biomass into the industrial product were made to produce cornstalk gas in the down-flow fixed by the gasifier. The experiment focused on the technical procedures for deoxygenation. catalytic cracking of tar, hydrogenation, etc. Quality straw syngas was produced for methanol synthesis. The catalysis of methanol synthesis for the production of cornstalk syngas was earned out in a tubular-flow integral and isothermal reactor under the pressure of 5MPa over Cu-based catalyst C301 (particle size: 0.833mm×0.351mm), a catalyst made in China. Thirty-three sets of test data were obtained.

为了实现秸秆类生物质合成燃料甲醇的工业转化,有效利用生物质能,对下吸式固定床气化炉产生的低热值玉米秸秆燃气进行除氧、分解焦油和配氢等纯化试验,制备出合成甲醇的优质秸秆合成气,在直流流动等温积分反应器中,使用国产C301铜基催化剂,催化剂粒度为20~40目(0.833mm×0.351mm),在5MPa反应压力下,对玉米秸秆合成气进行催化合成甲醇试验研究,获得33套试验数据。

The questions focus on the design of experiments and the interpretation of experimental results.

研究概述(45%)提供多个相关的试验,问题强调对于试验设计和试验结论的解读。

Design of experiments is the important ramify of statistics.

试验设计是统计学的重要的分支,主要研究如何制定适当试验方案以及如何对试验数据进行有效统计分析的理论与方法。

Based on the in-situ drilling test, pressuremeter test, dilatometer test and laboratory test, the mechanical properties of silt are studied.

结合现场钻探取样、旁压试验、扁铲试验和室内试验,综合研究黄河三角洲粉土的原位力学特性。

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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。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

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