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CT scan and 3D reconstruction are performed on the targets, and then space-based method is used for 3D segmentation of 3D CT images for congeneric tissues.

通过对目标进行CT扫描并进行维重建,采用基于空间的方法,完成对同类属性组织CT维图像的维分割。

Results:Fractures in body,angle and ascending branch of mandible could be showed fine by all these imaging methods. 3D-CT was better than 2D-CT and conventional X-ray plain film in diagnosis of fractures in condyle and coronoid process. Conventional X-ray plain film was poor in diagnosis of the maxillary fractures.2D-CT and 3D-CT were similar in diagnosis of the maxillary fractures.3D-CT showed the jaws fractures directly and stereoscopicly.

结果:对于下颌骨体部、角部和升支骨折,种影像学都能很好的显示,对于髁状突和喙突骨折,维CT检查优于常规X线和二维CT;常规X线显示上颌骨骨折较差,而二维CT和维CT显示的准确性比较接近。

This text analyse present industry current situation of cyanuramide , pointed out the existing problems and combined the the cyanuramide production technology situation, put forward the suggestion of some industry development.

本文通过对聚氰胺当前的产业现状进行分析,指出了中国聚氰胺产业存在的问题,结合当前聚氰胺生产技术情况,提出了一些产业发展建议。

This paper analysed present industry situation of cyanuramide , pointed out the industry's existing problems andcombined the cyanuramide production technology situation , put forward the suggestion of some industry development.

本文通过对聚氰胺当前的产业现状进行分析,指出了国内聚氰胺产业存在的问题,结合当前聚氰胺生产技术情况,提出了一些产业发展建议。

Mathematical model of the cavity of three-tipped cycloidal pump was established, and the structure and characteristics of the novel three-tipped cycloidal pump were analyzed.

论述了尖摆线的形成及其参数方程,并付其特性进行了研究,建立了尖摆线泵型腔的数学模型,分析了新型尖摆线泵的结构和特性。

In the synthesis of 2,3,5-trichloropyridine, 2-aminopyridine was firstly chloridized to 2-amino-3, 5-dichloropyridine, and then sodium nitrite solution was added with the existence of hydrogen chloride to diazotize the 2-amino-3,5-dichloropyridine.

在2,3,5-氯吡啶的合成上,首先通过对2-氨基吡啶的氯化生成2-氨基-3,5-二氯吡啶,然后再有盐酸存在条件下加亚硝酸钠溶液重氮化后,发生桑德迈尔反应生成2,3,5-氯吡啶和3,5-二氯吡啶-2-酮的混合物,最后用氯化亚砜进行再次氯化,经处理得到产品2,3,5-氯吡啶。

The investigation on the concentration of four haloacetic acid s during conventional water treatment process in waterworks and in drinking waters in North China showed that there were only dichloroacetic acids and trichloroacetic acids in waters,and the proportion of TCAA was from 52% to 90%.

对北方某自来水厂常规水处理过程及饮用水体中的4种卤乙酸质量浓度进行了调查,结果表明水体中只存在二氯乙酸和氯乙酸,其中氯乙酸所占比例较大,为52%~90%;常规水处理工艺对二氯乙酸有较为明显的去除效果,去除率在15%以上,而对氯乙酸没有明显的去除效果,但总体而言其对卤乙酸有10%左右的去除率;预氯化对卤乙酸的产生起主导性作用,该处产生的卤乙酸占整个氯化过程产生的卤乙酸总量的60%以上,因此常规工艺有必要从预氯化工艺着手加以改进,来更好的控制卤乙酸的产生量。

In this paper,we compared the photodegradation efficiency of nano-titania films by using dichloroacetic acid,rhodamine B and methyl orange as the photocatalytic referents and the ultraviolet lamp as the source light to generate the photocatalytic reaction.

针对纳米氧化钛光催化性能研究中缺乏统一有效表征标准的现状,比较了二氯乙酸、罗丹明B和甲基橙种光催化活性评价物的热稳定性和对紫外光的稳定性,并以氧化钛纳米薄膜为光催化剂,研究了种评价物的光催化降解效率表征,以及酸碱度、通氧条件等因素对评价物在光催化活性表征中的影响及其机理,归纳了种评价物对于纳米氧化钛光催化活性表征的优缺点。

In the presence of sodium as catalyst, the ester exchange reaction between methyl dimethoxy acetate and cephalotaxine produced cephalotaxine dimethoxy acetate, which was then hydrolyzed in dilute hydrochloric acid. Spectrum analysis showed one of hydrolytic products was cephalotaxinone.

本文报导己二甲氧基乙酸甲酮和尖杉碱在金属钠催化下,直接进行酯交换反应生成二甲氧基乙酸尖杉酯,后者在稀盐酸中水解,水解产物之一经光谱分析碳定为尖杉酮碱。

It had been abolished in the end of Qing Dynasty with the influence of the western legal conception . Though the development of inquisition by torture , we can find three complications that make it overrun in the archaic law : Our traditional legal concept , the law principle of "guilty presumption" and the distemperedness of supervise system .

通过对刑讯制度千年来发展轨迹的研究,我们认为导致古代司法活动中刑讯泛滥的主要原因有以下个方面:一是传统司法理念忽视诉讼当事人的合法权利;二是古代司法活动遵循的是&有罪推定&的原则和&罪从供定&的证据规则;是司法权力过于集中、司法监督力度的薄弱。

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推荐网络例句

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。