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The finite element model which is aptitude for the sandwich wall panel proved by test is presented in this paper.

建立了各种复合墙板的有限元模型,结合试验数据论证了模型的合理性。

On this paper, the pulse electrochemical compound finishing technology parameters which influence the finishing surface roughness was paid attention to, such parameters include the pulse frequency, the duty factor, the peak voltage, the finishing time and so on. Then basic craft rule of two kinds of mold material in finishing process were obtained, and each kind of parameter in this craft was optimized by means of the orthogonal experiments.

在此基础上,重点考察了脉冲电化学复合光整加工过程中各工艺参数对光整后表面粗糙度的影响,如:脉冲频率、占空比、峰值电压、光整时间等,由此获得了这两种模具材料在整个过程中的基本工艺规律,并通过正交试验对光整加工中的各参数进行优化。

In order to study the absorption and accumulation of Pb in spinach grown in soil polluted by Pb or combined heavy metal, a pot experiment was carried out. The contents of heavy metals in the shoot and roots at the seedling and harvest stages, and the accumulation and distribution rates of each metal element were investigated.

通过盆栽试验对苗期和收获期菠菜地上部和地下部的重金属含量进行测定,并计算各元素的累积率和分配率,以了解土壤Pb污染和重金属复合污染条件下菠菜Pb的吸收和积累规律。

Plastics packagings and composite packagings including their closure s shall be subjected to the test pressure for 30 minutes.

塑料容器和复合容器包括其封闭装置,必须经受30分钟的试验压力。

Plastics packagings and composite packagings including their closures shall be subjected to the test pressure for 30 minutes.

塑料容器和复合容器包括其封闭装置,必须经受30分钟的试验压力。

The clinical study were conducted using single-blind Randomized Controlled Trials, 80 infant patients were randomly divided into two groups: the treatment group were given complex lysozyme and the control group were given nystatin.

临床疗效观察采用随机单盲对照试验,将80例患儿病例随机分成两组:治疗组给予复合溶菌酶治疗,对照组给予制霉菌素治疗。

And there also is a remarkable effect of NaCl stress and 60Coγ-ray irradiation on POD isozymes of adventitious bud of oriental lily.

试验发现盐胁迫和辐射复合处理对POD同工酶产生了显著的影响。

The supporting system of self-drilling soil-nail with sealing wall made by SMW construction machine are discussed through foundation pit of a tunnel project.

南京某隧道工程垂直支护段采用自钻式土钉与SMW机械施工止水帷幕相结合复合土钉支护技术,介绍了该技术的设计、施工方法,并结合现场试验分析了其受力及变形机理。

By means of analysis of microstructure and measuring of impact toughness and hardness,and verification by real manufacture and application,the Si-Mn steel with rare earth and boron complex modification is better than traditional high Mn steel to produce tractor track guard in the wide range of temperature and the low cost and long life.

通过微观组织分析、冲击韧度、硬度等力学性能的测定、实际生产和装车试验证实,采用稀土-硼复合变质的SiMn钢代替传统高锰钢生产拖拉机履带板,不仅使用温度范围广,而且成本低,寿命高,具有明显的经济效益和社会效益。

In this study, as a original strain, antagonistic bacterium Ata28 was mutated by UV, UV+LiCl, DES and Microwave irradiation; the very goal of the research is to improve the control efficiency of Ata28 strain against tobacco brown spot and obtain strains advanced both in antagonism and biological characteristics, further provides theoretics and practical experience to the production.

采用紫外线和氯化锂复合诱变Ata28菌株,通过预备实验,计算Ata28菌株在不同诱变时间的致死率和正变率,选择该菌株的最佳诱变时间10s,15s诱变;通过平板对峙培养,筛选出8个突变菌株在PDA平板上可明显抑制Tbs3的生长,抑菌带高于出发菌株Ata28,抑菌带最大值达9.7mm;经温室控病初筛和复筛试验,获得了对烟草赤星病有较好防效的突变菌株Uv1-190、Uv1-199,烟苗经Uv1-190、Uv1-199菌液处理3d后,接种Tbs3的防治效果达51.3%、54.9%,比出发菌株Ata28的防治效果好。

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推荐网络例句

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。

There was a conflict between plebs and patricians in ancient Rome in 494BC.

在公元前494年,罗马发生了一次平民反对贵族的斗争。