查询词典 experimental method

In this paper, experimental study (Ma=2.0 of cold flow) on a scramjet combustor model without combustion was carried on direct-connected facility. The effects of inflow parameter, length of isolator and back pressure on combustor and isolator flow field were analyzed and compared. The flow field of combustor was simulated with CFD software and the experimental results were compared.

文中在超燃冲压发动机燃烧室直连式实验设备上，对超音速燃烧室模型进行( Ma ＝2.0)冷流实验研究，比较了不同的来流条件、不同的隔离段长高比和不同的燃烧室出口反压对燃烧室内部流场以及燃烧室隔离段的抗扰动能力的影响，并利用数值模拟的方法对燃烧室内部流场进行了模拟。

Both theoretical and experimental analyses on the natural frequencies and modes of the disk-shaped bevel gear are presented by using thick conical shell theory considering transverse shear d-eformation and rotational inertia, and using experimental modal analysis respectively.

本文介绍了用考虑横向剪切变形和转动惯性的厚锥形壳理论来分析盘形锥齿轮的振动固有频率和振型，并用试验模态分析技术进行测量。

In experimental respect, the experimental investigations of natural convection heat transfer of air layers in vertical annuli are presented.

本文首次从实验和理论两方面对大高宽比竖环形封闭空腔内自然对流换热进行了比较全面和系统的研究。

Therefore, we designed a porous effervescent atomizer. In this paper, experimental investigations have been conducted on the combustion characteristics of effervescent atomizers, and the experimental data could provide guidance for the designing of atomizers.

气泡雾化喷嘴作为一种新型的雾化喷嘴，具有雾化质量高、耗气量小等特点，因此比较适合用于雾化重、渣油等高粘度液体燃料。

From the first experimental week, nine geese per groupwere weighed on an empty stomach ,and collected samples for further assess on 7th in every week;From the third experimental week, excepting for weight, three geese per group were randomly selectedand collected blood in jugular vein, then separated serum and assessed blood, endocrine andimmunological index; after collecting, geese were killed and autopsied, Spleen, bursa of Fabricius andThymus were collected for relative weight of immune organs of goose, calculated immune organs index.

从试验第一周开始，每周的第7日每组随机选取9只鹅空腹称重；统计耗料量；从试验第三周开始除称重外，每组再随机选取3只，颈静脉采血5ml，制备血清并测定血液、内分泌和免疫指标；采血后宰杀取脾脏、腔上囊和胸腺，称重，计算免疫器官指数。

With Bandura s Theory of Self efficacy,and based on the analysis of the role that self efficacy plays in the experimental teaching in chemistry ,this paper puts forward the way to foster students self efficacy,which will be better at guiding the experimental teaching in chemistry .

文章运用班杜拉的自我效能理论，分析了化学实验教学中学生自我效能感的作用，并在此基础上，提出了在化学实验教学中，如何培养和提高学生的自我效能感，以期更好地指导化学实验教学。

At last, the paper thoroughly researchs the deflection of the ultrasonic wave measuring, and detailedly introduces the cause of the deflection, at the same time,, bings up some measurement to avoid the deflection. Additionally, the paper provide the experimental result and experimental data.

最后本文还给出了实验结果和实验数据，并对超声波测距的误差作了较为深入的研究，对误差的产生作了较为详细的介绍并提出一些避免误差的措施。

Based on the experimental research and the analysis of the experimental results for the shear strength of the brickworks of Yellow River Silt cellular bricks, the shear strength rule and shear destructive character of this new wall material are obtained.

本文通过对黄河淤泥多孔砖砌体抗剪强度的试验研究和对试验结果的分析，得出了黄河淤泥多孔砖这种新型墙体材料的抗剪强度规律及其抗剪破坏特征。

Based on the briquets of the outburst coal seam of typical coal and gas outburst mine of Datong in Songzao Coal and Electricity Company, by means of self-developed triaxial gas-seepage experimental device, the experimental research of permeability of gas-bearing briquets in the complete stress-strain process is performed.

利用典型煤与瓦斯突出矿井松藻煤电集团打通一矿突出煤层原煤制备型煤试件，应用自行研制的含瓦斯煤样三轴瓦斯渗流试验装置，进行含瓦斯型煤试件的全应力－应变过程瓦斯渗透特性变化规律的试验研究。

The data were analyzed by analysis of variance between the control group and experimental group and by analysis of snk-q among each dosage in the experimental group.results: vip widespread expression existed on photoreceptor-outer, inner nuclear layer, inner plexiform layer of retinal and choroids; weak expression existed on ganglion cell layer and nerve fiber layer.

结果： vip的表达主要位于视网膜光感受器外节、内核层、内丛状层和脉络膜，在神经节细胞层和神经纤维层有较弱表达。

The role of the environment is very important.

的作用，环境是非常重要的。

At that time, the High Court of England and Wales Court of Queen's Bench president of William Murray, Lord Mansfield in June 22, 1772 ruling:"No matter then there is the inconvenience, but there must be a decision, I can not say that this case under the law in England are permitted or authorized; are so black should be released."

当时的英格兰及威尔士高等法院王座法庭院长William Murray， Lord Mansfield于1772年6月22日宣判：「无论有那麽不便，但总要有个决定，我不能说这件案在英格兰法律之下是准许或认可；所以黑人是应该被释放。