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Under windless condition or in gentle breeze, it can be calculated either through outside compound sprinkler tests or with experimental data from single sprinkler test.

在无风或微风条件下,可通过室外组合喷洒试验或依据单喷头试验资料用计算方法求得。

The purpose,methods and contents of the model test on windproof net for the coal storage yard is described and the test result is analyzed.

介绍了秦皇岛港煤堆场防风网模型风洞试验的目的、方法和内容,提供了试验结果分析。

The optimum process was as follows : solvent is 0.3% ammonia solution , ratio of solvent to solid ratio is 10:1 , vacuum-cavitated time is 15 minutes , GA extraction yeild is 2.0%, the crude extract is 30.3%, and in which the content of GA is 6.6%.

采用负压空化方法对超临界萃取后固形物中甘草酸的提取工艺进行了研究,并研究了甘草酸纯化的工艺,通过影响因素试验和正交试验得出最佳工艺条件为:0.3%的稀氨水为溶剂,液固比为10:1,负压空化提取15min,甘草酸提取率为2.0%,含量6.6%。

The method does not depend on strict local parameters and precise instruments, while the observational principle is relatively simple. An experimental observation was carried out with a simple telescope with large field of view at Xinglong station of NAOC at the end of 2007. The atmospheric refraction from the zenith distance of 44.8 degree to 87.5 degree is gotten by the differential method, which proves the feasibility of the method tentatively.

该方法不依赖于严格的地方参数和复杂精密的观测仪器,并且观测原理相对简单。2007年底,利用一台简易的大视场望远镜在兴隆观测站进行了试验观测,根据较差方法实测得到真天顶距44.8°至87.5°的大气折射值,初步证明了大气折射较差测量方法的可行性。

The adrenocorticotropic hormonestimulation test is a widely accepted method for assessing theadequacy of adrenal function in intensive care units, but itis possible that there may be wide variations in responses tothe test over a short period of time.

在重症监护病房,促肾上腺皮质激素刺激试验是一种被广泛接受的评价肾上腺功能是否足够的方法。但是,在短时间里对该试验的反应可能具有很大的个体差异。

The poison effect of tea-bran on Ampullaria gigas Spix was tested under the condition of different tea-bran dosage, different application process and different temperature to obtain the best factors of this experiment.

方法]采用不同用量茶麸,在不同施用方法和不同温度下对福寿螺进行毒杀作用试验,探求最佳的施用方法、最经济的施用量和最好的毒杀效果。

The steam distillation. 2.Rotary evaporation distillation, 3.supercritical extraction for the extraction of volatile oil oriental arborvitae, the experiment results showed, 1.the best conditions for the extraction by rotary evaporation are NG:water:ethanol=l:4:4 sawdust under the conditions 50 ° C in temperature, atmospheric pressure 0.1 Pa, extract maximum extraction rate of 90 minutes.

对不同方法提取得到的侧柏挥发性物质的粗提物进行了的触角电位测定和行为测定,确定了利用水蒸气蒸馏、旋转蒸发蒸馏、超临界萃取三种方法进行侧柏挥发油的提取,并通过试验得到旋转蒸发仪萃取的最佳方法为:在木屑:水:乙醇=1:4:4;50℃温度;0.1个大气压的条件下,提取90min的提取率最高。

AMF strains Glomus mosseae-1 and G.mosseae-2 had higher AMF infection rate than other AMF strains, and G.mosseae-2 had the highest Arbuscule percentage in root samples, so G.mosseae-2 can be used as suitable inoculums in tomato organic soil cultivation. Tomato, AMF, Substrate, Seedling stage, Mineral nutrition uptake

为此本试验比较了几种不同丛枝菌根菌种接种剂对基质栽培番茄生长发育和矿质营养吸收的影响,结合对根部菌根侵染率的观察,以筛选适合番茄基质栽培的适宜丛枝菌根菌种。1材料与方法试验于2004年在布达佩斯匈牙利科学院土

So this research aimed to develop a Arundo donaxl-cutting test system based on high-speed photography for cutting test research on Arundo donaxl and other tall-thicker and harder crops, with the purpose to supply valid methods and ways to the academic research on the cutter of that kind of crops.

因此本课题设计研究了一种基于高速摄像技术的芦竹收割机切割试验系统,用于针对芦竹等高、粗、硬茎秆作物进行切割试验研究,旨在为进行高、粗、硬茎秆作物的切割器的理论研究和优化设计提供有效的方法和手段。

First, the least sample size for high reliability aviatic mechanical products in common experiment is calculated. And then the reason for performing small sample and extreme small sample test is discussed.

首先阐述了航空领域机械类高可靠性产品在常规可靠性试验时所需要最小子样数的确定方法,接着阐述了被迫采用小子样、极小子样可靠性试验的原因。

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推荐网络例句

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。