Aircraft Cargo Fire Detecting Defect and Its Modified Simulation Experiment 飞机货舱火警探测缺陷与改进模拟实验
In order to realize surface defect monitoring on-line of hot slab, eddy current detection technology and its experiment equipment for hot slab surface defect is introduced in this paper. 为了实现高温铸坯表面缺陷在线检测,介绍了高温连铸坯电涡流探伤技术及相应的试验装置。
Polyunsaturated fatty acid and attention deficit hyperactivity disorder Numerical simulation of composite geomembrane defect leakage experiment based on saturated-unsaturated seepage theory 多不饱和脂肪酸与注意缺陷多动障碍复合土工膜缺陷渗漏试验的饱和-非饱和渗流有限元模拟
Numerical simulation of composite geomembrane defect leakage experiment based on saturated-unsaturated seepage theory 复合土工膜缺陷渗漏试验的饱和-非饱和渗流有限元模拟
To study the feasibility and result of transplanting bone allograft with bone marrow stem cell in treatment of bone defect in animal experiment. 研究使用异体骨混合骨髓间质干细胞移植治疗骨缺损的可行性及动物实验初步结果。
We find defect through experiment and analyzed reason, then bring up the excogitation that bring down the input signal frequency to demodulator chip by use the multiplier. 通过模拟实验,发现存在的缺陷,并分析原因,提出通过运用乘法器降低输入到解调芯片信号频率的设计方案。
Through establishing a structure defect model, we successfully interpreted all the experiment results and confirmed that the extremely broad infrared absorption band belonged to Cr~ 4+, which should occupy the octahedral sites in Al_2O_3. 通过建立合理的晶格缺陷模型,成功地解释了所有的实验结果,并确定Cr,Mg共掺Al2O3晶体红外波段宽吸收带属于八面体格位中的Cr4+离子。
Effect distribution curves of scanning interval and defect sizes on detecting results are obtained by experiment, and it can supply references to detect defect sizes reasonably. 通过实验,给出了缺陷尺寸和扫描间隔等因素对检测结果影响的分布曲线,为合理提取缺陷尺寸提供了参考。
According to the testing result, we carry on the restoration and recheck with the defect. The experiment shows the ultrasonic non-destructive testing is an effective technology for the monitor control of the weld quality. 并依据检测结果,对缺陷进行了修复与复检,从而提出超声波检测是一种有效的监控焊缝焊接质量的技术。
In order to overcome the defect in CBIR system, this dissertation studies the methods to improve CBIR system performance, and then gives an experiment to prove and appraise the conclusions through an experiment. 为了弥补基于内容的图像检索系统性能上的不足,本文对CBIR系统性能优化方法进行了探讨,并通过实验对其优化效果进行验证和评价。
According to the characteristic of the experiment determination heat conduction coefficient of conductor, we have analysed the defect of the experiment, and put forward a good idea. 根据良导体导热系数测定实验装置的特点,分析了该实验装置的缺陷并提出了改进意见。
In order to find a new method to repair large bone defect, the free periosteum autograft was investigated in experiment, and then the method was used clinically. 为探寻大块骨缺损修复方法的新途径,进行了自体骨膜游离移植修复骨缺损的实验及临床研究。
To prepare an experimental rhesus monkey model of tibia diaphyseal defect used in tissue engineering. Providing a standard animal model of experiment gave the next study. 1制备骨组织工程实验用恒河猴胫骨骨缺损模型,为下一步研究提供一种标准的实验动物模型;
Considering the design defect of universal analog circuit experiment system used for basic electronic circuit experiment system in some concerned colleges, a detailed experiment amplification electric circuit is presented by calculating and testing in this paper. 针对目前相关高校电子电路基础实验所使用的通用模拟电路实验系统存在的设计缺陷,本文通过理论计算和实验测试,对此给出了具体的实验修正电路。
According to completely randomized principle, one defect was grafted with bFGF combined partially demineralized allogenic bone, as experiment group. 在21例兔双侧下颌骨缺损模型中,按照完全随机原则,一侧选用bFGF复合部分脱矿冻干辐照异体骨修复骨缺损,作为实验组;
Probable defect was predicted through CAE-based injection process analysis. In order to improve design quality and efficiency of mobile phone product, numerical simulation was applied for injection molding analysis and DOE technique was adopted for wall thickness experiment to optimize the structure strength of mobile phone housing. 通过CAE模流分析,在产品设计过程中预测可能出现的缺陷,对手机塑料壳体进行注塑分析和壁厚实验设计,优化了手机壳体的结构强度,提高手机设计的质量和效率。
The velocity field has been designed in this article on defect of rolling workpiece surface about cross wedge rolling technique in the process of forming axial symmetry spare parts by result of simulated experiment of consult document [ 4]. 依据文献[4]的模拟实验结果,拟定了楔横轧工艺成形阶梯轴类件时轧件表面出现表面缺陷(蛇皮状或鱼鳞状缺陷)时的金属流动速度场。
OBJECTIVE: To observe the effective characteristics of carbonated hydroxyapatite cement on repair of skeletal defect by animal experiment. 目的:通过动物实验观察碳酸化羟基磷灰石水泥修复骨缺损效果的特征。
The left tibia of every caprine was made a defect of 2 cm. Experiment group were filled with CHAP and BMSc combination, and nothing to the controlled group. 分别造成左侧胫骨2cm骨缺损,实验组缺损区植入CHAP和BMSc复合体,对照组不植入任何填充物。
So far, There were few reasearch on the relationship of mobilization of BMCs and prevention of dilated cardiomyopathy with medicine treatment. Scientists had applied cardiac toxic medicine to induce the animal model of dilated cardiomyopathy, but one defect which animal experiment need more time was exist. 目前,尚无有关药物预防扩张性心肌病形成与骨髓干细胞动员的关系的研究报道,已有学者应用心肌毒性药物制造扩张性心肌病动物模型,但存在实验周期长的缺陷。
The defect which BP training algorithm cannot make the system optimal, so the BP training algorithm is improved. The feasibility and advantages of the adaptive variable step algorithm are improved by experiment and comparative analysis. 针对BP训练算法存在不能使系统最优的缺陷,本文对BP训练算法进行改进,并通过仿真实验对比分析,证明改进后的自适应变步长算法的可行性和优势所在。
A large number of numerical simulation and experiment have been made in three defect expansion damage of pipe with numerical simulation and experiment, various defect types on the influence of the guided scattering and defect degree of extension with reflection coefficient by detailed analysis and verification. 利用数值仿真与实验系统对管道缺陷三个方向扩展的损伤进行大量的数值模拟与实验,详细的分析和验证各种类型缺陷对导波散射的影响及缺陷扩展程度与反射系数的关系。
The generating mechanism and eliminating solutions of defect appearing on U channel with variable width cross-sections lengthwise formed via the experiment are also analyzed and concluded in this paper. 同时分析和总结了变截面型材缺陷产生的机理和解决对策。
Results showed the white blood cell ( WBC) number and tissue section showed lighter inflammatory response and better osteogenesis of treatment group than control group during contaminated bone defect experiment. 结果表明在污染骨缺损实验中,白细胞(WBC)计数和组织切片显示实验组较对照组炎症反应轻微,成骨显著。
In the modified DTS_CPP, we derived average defect density is 2/ Kloc about 10 projects in experiment, increased nearly doubled compare to local analysis, while the false positive rate reduces from 60% to 40%. 在十个开源工程实验得出平均的缺陷密度是2/Kloc,比本地分析检测缺陷密度提高了近一倍,而误报率从60%降低到40%。
The rolling defect and control methods are summarized by rolling experiment with different material and different specifications of the bars in a various rolling conditions. The high quality rolled piece has been rolling by the improvement of rolling process and adjustment of equipment parameters. 对不同的材料、不同规格的棒材,进行了多种工况下的轧制实验,发现了轧制缺陷并总结研究出缺陷控制方法,改进轧制工艺和调整设备参数,得到了质量良好的轧件。
At the same time, we study the factor which DTR impact the mud trait, discussed the defect of the experiment and put forward some advice for the research next. 同时对DTR高失水堵漏剂对泥浆性能造成的影响进行了研究,并对试验存在的不足进行了探讨,对下一步的研究工作提出了相关的建议。
But the main defect of this experiment is the small sample size, selected patients mainly in Wuhan, a clear conclusion has yet to be confirmed by the large sample large-scale randomized trials. 但是本实验的最主要的缺陷是样本太小,选择的患者主要集中在武汉,明确的结论尚待于大样本大范围随机试验的证实。
In above, the wood surface defect image processing and recognition experiment system is developed which can realize the fuctions of reading, preprocessing, segmentation and recognition of defect type of the defect image and so on and more facilitate for users. 并且综合上述研究,开发了木材表面缺陷的图像处理和识别实验系统,该系统能实现缺陷图像的读取、预处理、分割和缺陷类型识别等功能,提高了用户使用的方便性。