The exit radial temperature profiles formed by four configurations of dilution hole design have been studied experimentally on a two-dimensional experimental combustor.
在二元试验燃烧室上,研究了四种掺混孔设计方案对燃烧室出口径向温度分布影响。
A study is described on the attenuation of residual stress of a cold expanded hole and its experimental results.
对冷胀强化孔残余应力衰减的有关问题以及试验结果进行了研究。
Based on indoor experimental data, the laws of the water and fertilizer under film hole irrigation were researched in the different way of fertilization and the experimental phenomena was explained.
通过室内试验,研究了在不同施肥方式情况下膜孔灌自由入渗的水分和肥料分布规律,并对试验现象作了进一步解释分析。
In addition, according to experimental results, slab method in plastic mechanics and material hardening theory, a new formula for hole flanging force is concluded.
另外,根据试验结果,并利用塑性力学中的主应力法和材料硬化理论,推导了一个计算圆孔翻边力的新公式。
The experimental results show that CH plating hole targets have higher laser energy injection efficiency.
实验结果表明:镀CH膜是增加激光能量注入率、提高腔靶辐射温度的有效方法。
The programming PFEA approach is researched by square hole flanging, and the result accords with the experimental result from publications.
针对方孔翻边问题进行了编程式参数化有限元法研究,其结果与现有文献试验结果基本吻合;
In this paper, a large number of experimental date shows the hollow sand-lime brick and its wall has some of its own characteristic properties owing to its varied dimensions and existence of its hole.
本文用大量试验数据表明:空心灰砂砖因外形尺寸的变化及孔洞的存在,其材性和砌体性能有自身的特点。
The experimental animal model of perilymphatic fistula (PLF) was made by drilling a small hole in the skull and injecting artificial perilymph into the subarachnoid space in 50 Guinea pigs.
经颅骨钻孔,蛛网膜下腔注射加压,对50只健康豚鼠建立了外淋巴瘘(PLF)的实验动物模型。
Introduce the basic principles, equipments, techniques and spot experimental conditions of expanded hole of technology of rotation jet.
介绍了旋转射流扩孔技术的基本原理、设备、工艺以及现场的试验情况。
The results explain the experimental observed phenomenon and demonstrate that the current contributed by electrons is saturated earlier than the hole current.
模拟结果解释了实验观察到的雪崩击穿现象,并表明电子电流比空穴电流提前饱和。
In this paper, theoretical analysis, numerical calculation and experimental are used to study the coupling effects of ultra-wide spectrum electromagnetic pulse to the hole.
本文从理论分析、数值计算和实验三个不同角度出发,研究了超宽谱电磁脉冲对屏蔽体贯通孔的耦合规律。
The axial hole deviations caused by laser-guiding are analysed and the experimental results show that the new technology of laser guiding can prevent effectively the axial hole deviation in...
分析了激光导向加工时孔产生的误差,实验结果表明,采用激光导向的深孔加工新技术能有效地防止孔偏差。
Based on these, the electron-hole overlap functions and the energy shifts of excitons corresponding to different subbands are obtained, they agree well with experimental results.
基于上述计算结果,所得电子-空穴重叠函数和激子峰的能量移动与实验测量符合得较好。
The best experimental parameters were Chosen through orthogonal experimental design and fuzzy analysis. The analytical results provided basis for application of ring-hole measuring fabric.
在环孔法测试织物的基础上,采用正交试验设计、模糊分析的方法优选试验参数,为环孔法测试织物提供了依据。
Based on the features of the three-dimensional crack, an experimental method was presented to measure the near-threshold fatigue crack growth rate and threshold of the corner crack at a hole.
基于三维裂纹特征,本文提出了一种测量孔边角裂纹近门槛区疲劳裂纹扩展速率及门槛值的实验方法。
The experimental result draws hole degree and permeability in the normal atmospheric temperature atmosphere is deferent because of the different rock specimen.
实验结果得出由于选用不同性质的岩样,测试出岩样在常温常压下孔隙度存在差异。
On the basis of finite element analysis, 5 concrete columns were made to carry on the experimental study about the measurement of working stress of concrete by the ring-hole method.
本文是在有限元模拟分析基础上,制作5根混凝土柱,进行环孔法测试混凝土工作应力的试验研究。
The experimental and analytical results show that the capability of scavenging the bottom-hole increases continuously as the ratio between diameters of nozzles and their number decrease.
实验和分析结果表明,随着喷咀直径比值的减小和喷咀数量的减少,井底净化能力不断提高。
The experimental result indicated that the relationship between ultrasonic speed and the hole rate in the coating was that with the increasing of the hole rate, the ultrasonic speed reduced.
实验结果表明,涂层中的超声声速与孔隙率之间的关系是,随着孔隙率的增大,超声声速减小。
Experimental and theoretical research has improved that hole cleaning detecting is efficient by monitoring annular pressure change.
研究表明,利用环空压力变化可以有效监测井眼清洁程度。
By comparing with the experimental results, a detailed discussion on the influence of cold expansion on the fatigue performance of rail bolt hole was presented.
结合实验探讨了冷扩张过程对钢轨螺栓孔疲劳寿命的影响方式和效果。
The first experimental of recovery heavy oil using down-hole catalytic method was described in this paper.
介绍了国内首次井下催化降粘开采稠油的现场试验。
In this paper, the theoretical calculation and experimental research have been carried out about the hole edge stress for composite materials.
本文对复合材料的孔边应力进行了理论计算与测试研究。
Using the method of heat-mass transfer analogy, experimental research was carried on to investigate adiabatic film effectiveness of inclined multi-hole full-coverage film cooling.
采用传热传质类比的方法,对多斜孔壁气膜冷却的绝热温比进行了实验研究。
Results of the proposed formula for plain circular hole were compared with the experimental and theoretical data, and they agreed well.
将得到的简单平圆孔的计算公式与实验资料和理论分析结果进行了比较,吻合的很好。
A number of self-excited resonant pulse jet nozzles for deep hole bits were designed on the basis of theoretical analysis and experimental results.
在理论和实验研究的基础上,设计了几种用于牙轮钻头的自激振荡脉冲喷嘴,在常压下进行了射流脉冲压力测试和冲蚀天然红砂岩的实验。
The experimental results show that under the same conditions the laser energy injection efficiencies for half-cavity targets are 10 percent lower than those for hole targets.
实验结果表明:相同参数条件下半腔靶与孔靶相比,激光能量注入率减少约10%。
The experimental results show that the relationship is correct and the exponent of the gas pressure increases with the decreasing length of leaking hole.
同时,发现随着漏孔长度的减少而压力指数变大的规律。
The experimental results show that the types of crack initiation at inclusion in ultrahigh strength steel under tensile load depend on the sizes of inclusion and the hole around inclusion.
结果表明,拉伸载荷作用下,航空用超高强度钢中裂纹萌生的方式与夹杂物尺寸及夹杂物周围孔洞的大小有关。
The experimental results show that the types of crack initiation at inclusion in ultrahigh strength steel under tensile load depend on the sizes of inclusion and the hole around inclusion.
结果表明,拉伸载荷作用下,航空用超高强度钢中裂纹萌生的方式与夹杂物尺寸及夹杂物周围孔洞的大小有关。
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