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This is an untouched measuring way. The cameras are calibrated in the way of RAC two steps, first. With the polynomial interpolation, the pictures catched from the steel plate are treated to detect the edge in subpixel with a cross window arithmetic operators, which can fit non uniform illumination, keep the edge character and do filter in a better way. Three-dimensional scenery could be rebuilt from the two-dimensional pictures with the methods of least square fitting and contradictorily clairvoyance. Thus, the distance and its variance of two points in the given position of the plate can be achieved. It is expected that this study can provide a new and useful tool to the research on the theory of distortion of line heating.

这种非接触的测量方式,采用RAC两步法对摄像机进行标定,然后对采集到的钢板图像进行分析处理,通过多项式插值的方法,采用具有保持边缘特征和滤波功能,且能适应非均匀照明的十字窗图像边缘检测算子进行象素级边缘检测,再用最小二乘拟合法和逆透视法对二维图像进行三维重建,便可测出钢板上给定点的距离及其变化值,以期为水火弯板的变形机理研究提供一种新的检测手段。

By the case of skewed cavity flow with 30-degree angle, the convergence performance of SIMPLE/SIMPLEC algorithm was analyzed on unstructured grids and the influence of accepting or rejecting non-orthogonal terms was compared.

利用30°角的斜方腔流动计算成果,分析了非结构同位网格的SIMPLE/SIMPLEC算法的收敛性能;比较了因网格的非正交而引入的非正交项的取舍对该算法收敛性能的影响;并采用显式校正步法对SIMPLEC算法进行了显式校正。

This algorithm lights five pixels in a loop between the coordinate information of line's start and end points. Therefore, the speedof generating of straight line can be accelerated. Compared with the four-step, it is the speed that increased by about 20% while the complexity is almost the same. Meanwhile the five-step still maintains the precise of the traditional line scan conversion algorithm.

该算法过给定的直线的始点和终点,可以一次计算得到并且点亮五个象素点,从而较传统的直线扫描转换算法成倍地提高了直线的生成速度,与著名的"四步法"相比,几乎没有增加复杂性,而速度则提高约20%,同时仍然保持传统直线扫描转换算法的精度。

This invention relates to a method for controlling copolymer architecture by a two-part process.

一种用两步法控制共聚物结构的方法。

On this basis a example counter for the method of maximal synchronization is raised and an amendment algorithm is given.

在此基础上,对最大同步法给出了一个反例并提出了一种修正算法。

In the process of producing soft urethane polyester foamed plasics,CFCs as forming agent are replaced by cyclopentane whose value of ozone depletion is zero to decrease the destruction of environment,and the modified poly-ether-alcohol is used as reactants through one-step reaction.

为了解决软质聚氨酯泡沫塑料生产过程中的环保问题,采用臭氧消耗值为零的环戊烷为物理发泡剂替代严重破坏臭氧层的氯氟烃,以改性聚醚多元醇与甲苯二异氰酸酯等为主要反应物,一步法反应研制试产了软质聚氨酯泡沫塑料。

Methods The clinical data of 42 cases were analysised by retrospective study.15 cases were put double pigtail stents via cystoscope and 3 cases via percutaneous nephrostomy,22 cases were performed one step's percutaneous nephrostomy and 2 cases pyelostomy. Results The patients were followed - up for 3 - 26 months .

回顾性分析42例恶性肿瘤并发输尿管梗阻的临床资料。15例患者成功逆行放置双猪尾导管,22例首选一步法经皮肾穿刺造瘘术,3例实施肾造瘘加顺行双猪尾导管置入术,2例行开发性肾盂造瘘术。

Finally,the two-step MP algorithm was applied to spectral decomposition of field data,meanwhile,based on the slices of different frequency,the gas shadow phenomenon below gas-bearing reservoir was analyzed,the results show that shadow phenomenon can directly indicate the existence of hydrocarbon.

在某地区,利用两步法MP快速算法对实际地震记录进行了谱分解,并基于由谱分解得到的不同频率的切片,分析了含气储层下方的影子效应,结果表明影子效应直接指示了烃类的存在。

Methods A total RNA from ten cases of ovarian cancer and contral normal ovarian tissues were extracted by a single step method. The cDNA retro-transcribed from equal quantity mRNA derived from ten cases of ovarian carcinoma and normal ovarian tissues, which were labeled cDNA strand with Cy5 and Cy3 fluorescence as probes.

按一步法分别抽提10例人卵巢癌组织和对照正常卵巢组织的总RNA并纯化mRNA;分别从10例取等量的人卵巢癌组织和对照组织的mRNA分别混合后逆转录合成以Cy5和Cy3标记的cDNA一链做探针,混合后在含有8464点人类体细胞基因模板的表达谱cDNA芯片上进行杂交。

Methods] A total RNA from 10 cases withovarian papillary serous cystadenocarcinoma and normal ovarian tissues were extracted by a single step method of gene chip. The cDNA retro?鄄transcribed from equal quantity mRNA derived from 10 cases with ovarian papillary serous cystadenocarcinoma and normal ovarian tissues. The cDNA strand was labeled with fluorescent Cy5 and Cy3(normal ovarian epithelial cells) as probes.

方法] 采用基因芯片技术,按一步法分别抽提10例卵巢浆液性乳头状囊腺癌患者的癌组织和正常卵巢组织的总RNA并纯化mRNA;逆转录合成以Cy5荧光标记卵巢癌细胞和Cy3荧光标记正常卵巢上皮细胞的cDNA作为探针,在含有8 464点人类体细胞基因模板的表达谱cDNA芯片上进行杂交。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。