查询词典 experimental engineer

Based on the theories of rheology, Non-Newtonian Fluid Mechanics, petroleum chemistry, crystallography and pipeline technology etc. and sampling Huabei crudes, experimental indexes and programmes are drew out, integrating the oil properties and parameter analysis; in terms of the macro analysis of continuum mechanics, substantial experiments are conducted with HAAKE RS600 rotational rheometer and the rheological equation as well as the viscosity-temperature equation are further developed with tested rhrogramme and viscosity-temperature curve, respectively. Beased on the researches on thixotropic mechanism and thixotropy fluid property, hysteresis loop curve, structure failure and viscosity build-up curve as well as shear stress decrement curve for one type oil are first present in this paper. According to the theoretical researches and testing results, a novel thixotropy equation with τ=τ_∞e~ pattern, which is of hi-accuracy, few parameter and simplicity, is developed. Considering the influence of various parameters on rheological behaviour, depressant adding condition is optimized and experimental evaluation on BEM-5P is conducted, which further unrip its mechanism on the Huabei crude. A corresponding viable pipe transportion programmel is also recommended.

本文基于原油流变学、非牛顿流体力学、石油化学、结晶学、原油管输工艺学等理论，以华北原油为研究对象，结合原油物性及实验影响因素分析，制定出实验研究的评价指标及实验方案；从连续介质力学宏观分析的角度，利用HAAKE RS600高端旋转流变仪开展了大量的室内实验，并运用微观研究方法，测定了油样的流变曲线和粘温曲线，建立了流变方程和粘温方程；通过对触变性机理和触变性流体特征的研究，首次对华北原油测定出滞回环曲线、结构破坏与恢复粘时曲线、剪切应力裂降过程曲线，并在理论研究和实验结果的基础之上，建立了能定量描述含蜡原油剪切应力裂降过程的新型三参数触变模式τ=τ_∞e~b/(t+c，该模型具有精度高、参数少、实验简便且适用性强的特点；通过对含蜡原油流变性的影响因素理论研究，开展了加剂条件优选及BEM-5P降凝剂室内评价实验，进一步揭示了降凝剂对华北原油作用机理，在此基础之上，提出了华北原油管输的可行性方案。

Based on the theories of rheology, Non-Newtonian Fluid Mechanics, petroleum chemistry, crystallography and pipeline technology etc. and sampling Huabei crudes, experimental indexes and programmes are drew out, integrating the oil properties and parameter analysis; in terms of the macro analysis of continuum mechanics, substantial experiments are conducted with HAAKE RS600 rotational rheometer and the rheological equation as well as the viscosity-temperature equation are further developed with tested rhrogramme and viscosity-temperature curve, respectively. Beased on the researches on thixotropic mechanism and thixotropy fluid property, hysteresis loop curve, structure failure and viscosity build-up curve as well as shear stress decrement curve for one type oil are first present in this paper. According to the theoretical researches and testing results, a novel thixotropy equationwith τ=τ_∞e~ pattern, which is of hi-accuracy, few parameter and simplicity, is developed.Considering the influence of various parameters on rheological behaviour, depressant adding condition is optimized and experimental evaluation on BEM-5P is conducted, which further unrip its mechanism on the Huabei crude. A corresponding viable pipe transportion programmel is also recommended.

本文基于原油流变学、非牛顿流体力学、石油化学、结晶学、原油管输工艺学等理论，以华北原油为研究对象，结合原油物性及实验影响因素分析，制定出实验研究的评价指标及实验方案；从连续介质力学宏观分析的角度，利用HAAKE RS600高端旋转流变仪开展了大量的室内实验，并运用微观研究方法，测定了油样的流变曲线和粘温曲线，建立了流变方程和粘温方程；通过对触变性机理和触变性流体特征的研究，首次对华北原油测定出滞回环曲线、结构破坏与恢复粘时曲线、剪切应力裂降过程曲线，并在理论研究和实验结果的基础之上，建立了能定量描述含蜡原油剪切应力裂降过程的新型三参数触变模式τ=τ_∞e~b/(t+c，该模型具有精度高、参数少、实验简便且适用性强的特点；通过对含蜡原油流变性的影响因素理论研究，开展了加剂条件优选及BEM-5P降凝剂室内评价实验，进一步揭示了降凝剂对华北原油作用机理，在此基础之上，提出了华北原油管输的可行性方案。

Based on experimental results of unstiffened overlapped circular hollow section joints, the axial forces of experimental truss members connected with hinge joints, semi hinge joints or rigid joints, are calculated by the finite element analysis model.

以平面K型圆钢管搭接节点的试验数据为基础，通过对试验桁架建立铰接、半铰接和刚接杆系有限元模型，计算受外荷载作用下试验桁架各杆件的轴力。

Results The endothelial cell and fibroblast of valves and vessel walls in experimental group were completely decellularized, no cell fragments were retained within the matrix scaffold; collagen fiber and elastin fiber had been preserved with intact structure and wavily arrayed; deoxyribonucleic acid content of valves and vessel walls in experimental group were decreased by 97.58%, 97.25% compared with that of control group.

结果 实验组瓣膜及血管壁中内皮细胞、成纤维细胞去除完全，无细胞核碎片；瓣膜及血管壁胶原纤维和弹力纤维呈波浪状排列、整齐，结构完整；瓣膜、血管壁的基因组脱氧核糖核酸含量分别较对照组下降97.58％和97.25％。

Hypoxic-ischemic encephalopathy experimental grouping: Sixteen successful C57/BL6J mice models, aged 7 days, were randomized into 2 groups: experimental group (n =8), following ligation of right common carotid artery, mice were placed in the closed container containing 0.08 volume fraction of oxygen and 0.92 volume fraction of Nitrogen gas, and taken out 1.5 hours later; 3 μL ESCs were injected into the right cerebral ventricle at about 1 week, and control group (n =8), in which, the same amount of PBS was injected into the right cerebral ventricle.③ At 12 weeks after transplantation, the survival and migration of induced ESCs labeled by Lac-Z in the spinal cord and brain were observed by zymologic method.

缺氧缺血性脑病实验分组：将造模成功的鼠龄7 d的C57/BL6J16只小鼠随机分为2组：实验组8只，结扎右侧颈总动脉后将小鼠置入含体积分数0.08氧气和体积分数0.92氮气的密闭容器内，1.5 h后取出；1周后在右侧脑室内注入3 μL诱导胚胎干细胞。

The biological hydrogen is very important to solute the energy crisis and the environmental pollution. Our country works out the organic waste water zymotechnics biological hydrogen technology by the tired of oxygen active sludge and the organic waste water as produces raw material. It is proved by the experiment in HIT. This research was discovered first in our country and foreign and realized the experimental scale non-fossilization mold mushroom spawn for a long time to continue producing the biological hydrogen technology. It also realized the experimental scale continue to produce the hydrogen for a long time. It was a domain significant breakthrough in biological hydrogen.

生物制氢对于解决能源危机和环境污染都具有十分重要的意义，我国以厌氧活性污泥和有机质废水为生产原料的有机废水发酵法生物制氢技术在哈工大通过实验研究验证，该项研究在国内外首创并实现了中试规模连续非固定化菌种长期持续生物制氢技术，并实现了中试规模连续流长期持续产氢，是生物制氢领域的一项重大突破。

By using the quadratic regression orthogonal experimental method with three factors and five levels, the relationships between the microwave power applied, the sample thickness, the pressure in drying chamber and the rehydration ratios, chlorophyll and vitamin C retention ratios of dried Chinese gooseberry slices, as well as the energy consumption of drying process, were analyzed, and the regression mathematical models for experimental indices and factors were established. At last, the optimal combination of the parameters for the microwave-vacuum drying technology of Chinese gooseberry slices was obtained through nonlinear optimization method with many targets.

通过3因素5水平的二次回归正交试验，分析了微波功率、物料厚度、干燥室压力与猕猴桃切片干制品复水率、叶绿素含量、维生素C含量及单位耗电量的关系，建立了各指标与试验因素间的回归数学模型，并利用多目标非线性优化方法，确定了猕猴桃切片微波真空干燥最优工艺参数。

On the basis of experimental research,through compartmentalizing experimental beams into plenty of tiny cell,according to constitutive equation of each materials including steel bar,concrete,CFRP, this paper presents numerical simulation study of flexural all course of RC beams strengthened with CFRP, the theoretical results agree closely with those of the test.

在试验研究的基础上，将CFRP加固钢筋混凝土梁划分为若干个微单元，根据组成CFRP加固钢筋混凝土梁各材料的本构关系，通过数值方法，实现了对碳纤维布加固钢筋混凝土梁受弯全过程的数值模拟，其计算结果与试验所测得的结果符合较好。

Water quality on-line monitoring equipment; water quality bio-chemical analysis apparatus; the experimental system for the dynamic simulation of water environments, and the on-line measurement of water body deoxygenating, re-aeration and the organic contaminant concentrations; the experimental system for the dynamical simulation of eutrophication of water environments.

实验中心主要仪器设备有：水质要素在线野外监测设备、水质要素生物化学分析仪器、水环境动态模拟与在线测定水体耗氧、复氧以及各种有机污染物浓度的试验系统，水环境富营养化动态模拟控制实验系统，可以对水质要素进行时间和空间上的监测与分析处理，为水污染治理提供科学的依据。

The aim of this study was to examine whether multiple regression analysis technique could be used to measure fecal endogenous outputs and true digestibility of phosphorus in rapeseed meal and soybean meal for growing pigs. 5 Yorkshire × Landrace harrows, with average initial body weight of (21.6±1.43)kg, were allocated to the five experimental diets according to a 5×5 Latin square design. The 5 experimental diets were formulated to contain 5 P level (1.8, 2.7, 3.6, 4.5 and 4.7g/kg), with the rape- seed meal and soybean meal as the mere P source.

为了确定多重线性回归法是否能应用于测定生长猪内源磷排泄量及菜粕和豆粕磷的真消化率，试验选用5头平均质量为(21.6±1.43)kg的健康大白×长白阉公猪为试验动物，采用5×5拉丁方设计，设5个磷水平（1.8， 2.7， 3.6， 4.5和4.79/kg）；日粮以豆粕、葡萄糖、玉米淀粉等为基础，以菜粕为待测植物性饲料，配制半纯合试验日粮，菜粕和豆粕为磷惟一来源。

For every one of my New Year resolutions, I have been a backslider for years.

说到我的新年决心，我每年都做

With empathy and focus on a feeling level, we can all relate to the common ground of mutuality of emotions.

有了同情心和感觉上一级的重点，我们都可以涉及到相互的情感共同点。