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To study the lethal effect of high power near infrared diode laser on Locust Nymphae. Oedaleus asiaticus B. Bienko Nymphae that are the third age or before the third age and after the third age were irradiated aiming at the head in different time and power density by the power of 2W and the wavelength of 808nm diode laser. The death-ratio was observed especially after irradiation, five hours after irradiation and 20 o clock the next day after irradiation.

为研究大功率近红外半导体激光对蝗蝻的致死作用,选择采用功率2W、波长808nm的半导体激光器,针对三龄及以前龄期和三龄期后亚洲小车蝗蝻虫分组试验,激光束对准蝗蝻头部位置,进行不同功率密度、不同时间的照射试验,分别观察照射后即刻、照射后5小时和照射后次日蝗蝻的致死率。

The results indicate that:① Soot records is one of direct and effective means;② Overdriven detonation appears only once and several blasts appear in DDT (Deflagration to detonation transition);③ The dimension of acetylene is less than that of hydrogen under the same initial condition.

试验结果表明:①烟迹法是研究DDT更为直接和有效的手段之一;②在本试验条件下,观察到DDT过程中过爆只会出现一次,但从过爆衰减至正常C-J爆震波的过程中存在多次多点爆炸的迹象;③初始条件相同的情况下,乙炔的胞格尺寸小于氢气的胞格尺寸。

This text adopted the method of clinker burning, X-ray analysis, petrographic analysis to analyse the relationship and mechanism.

本文在研究过程中采用了熟料试烧、小磨试验、X-射线分析、岩相分析、物理性能试验等手段来分析相互关系及机理。

In order to research a poisonless and harmless chemical method to reducing harm of low temperature on almond during florescence, effects of BBA on cold resistance and fruit setting rate in almond were tested respectively in laboratory and field.

为了研究既能减轻杏树花期低温伤害而又无毒无害的化学防寒手段,就巴巴安在杏树花期的抗寒作用进行了室内试验,并就巴巴安对杏树坐果率的影响情况进行了田间试验。

The optimum technology of extracting flavonoids in polygonatum was studied by orthogonal test.

用正交试验法对玉竹中的黄酮类化合物的提取工艺进行了优选研究,采用正交表L16(4^5),以提取时间、提取温度、提取次数、提取剂中乙醇含量以及料液比为因素,以总黄酮显色液的吸光度为指标进行试验。

Simulations results can forecast procreant positions of cracks, forming etc and serious degree, and academic explanations was provided.

试验采用自制的模具,在570℃时对AZ91D镁合金半固态进行了触变成型及触变流动性能试验研究。

As a result,this experiment with wild Prunus mongolia Maxim used to study drought stress in different ecological conditions,the impact of the body of its PAL and C4H activity.

因此,本试验以野生蒙古扁桃为试验材料,研究干旱胁迫对其在不同生态环境条件下体内PAL和C4H酶活性影响的变化。

The influence of final pyrogenation temperature on product yield of gases,liquids and solid residues was studied.

用直径200mm的外热式固定床反应器,以城市生活污泥为试验物料,在250-700℃之间对其进行了中低温热解的试验研究,得到气、液、固3种热解产物的产率随热解温度的变化规律。

On the basis of the single-factor experiment, the quaternionic quadratic rotational combination was used to optimize the extraction process of total relative flavone that came from fermentation fluid of citrus, and we had used the response surface methodology to study the best horizontal extent of solid-to-liquid ratio, extraction time, alcohol density, the microwave power which affected the rate of total flavone relative extraction.

在单因素试验的基础上,采用四元二次通用旋转组合试验优化柑橘皮渣发酵液总黄酮的提取工艺,用曲面响应法对影响总黄酮得率的料液比,提取时间,乙醇浓度,微波功率的最佳水平范围进行研究。

The recommended screening for syphilis consists of nontreponemal tests, either the Venereal Disease Research Laboratory test or the rapid plasma reagin test.

建议的梅毒筛检包括非梅毒螺旋体试验,不论是「性病研究实验室检验法」或「梅毒血清试验」。

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But we don't care about Battlegrounds.

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.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。