管口

During the experiment the paper observed that temperature of water close-by orifice decrease , water froze and the ice layer continually gain in by a period of continued drain time.

本文在实验过程中观察到经过一段持续的排放时间后，近管口水域的温度降低，出现水域冻结并冰层不断增长状况。

The method for calculating temperature fields of ice layer can offer reference for designing means for deicing or orifice deicer .

冰层温度场模型的计算方法可作为设计管口除冰方法或装置的参考。

Authors believe that this change in dentin is one of mechanisms for desensitization mainly.

电镜所见，提示牙本质表面的变化和管口的封闭是牙本质过敏症脱敏的主要机理之一。

Vessel connections for external cage displacer level switches shall normally be 50 mm (2") flanged with a centreline to centreline dimension of 356 mm (14").

外浮筒式液位开关的容器管口应通常是50 mm (2")的，中心线之间的距离为356 mm (14")的法兰。

In the construction of a long distance pipeline with high pipe material hardness, thin pipe wall and big caliber ellipticity,general pipe external aligning devices are difficult to comply with quality standard.

随着长输管道的发展，大口径管道日益增多，大口径管道的管口椭圆度相对较大，其材质硬度高，因此组对施工的难度加大。

Either sodium picrate, which is converted to sodium isopurpurate, or a freshly prepared solution of guaiacum resin in absolute alcohol which is allowed to dry on the paper and treated with very dilute copper sulphate solution. The latter test-paper turns blue with prussic

acid。苦味酸钠试验：将生药研碎，取0.5g放入试管中，加数滴水润湿，加塞密闭，管口内悬挂一条用碳酸钠溶液润湿的苦味酸试纸，将试管置40～50℃水浴进行酶解，试纸转为砖红色，若是悬挂联苯胺-硫酸铜试纸，则应生成联苯胺氧化物而使试纸变蓝色。

Beautiful coral reef, Leopard Sharks, Frog Fish, Ghost Pipe Fish, Whale sharks Nudibranchˇs.

美丽的珊瑚礁，豹纹鲨，FrogFish，管口鱼，鲸鲨、海兔。

RESULTS: The rate of appearance of mesiobuccal root of maxillary first permanent molar is 38%.

结果 ：上颌第一磨牙的MB2出现率为38%；根管口的形态为圆形和卵圆形。

Zuckerberg speaks in a steady, mellifluous tenor; he has a long neck and tends to point his chin upward, as if aiming the bell of a saxophone.

他说的时候用的是一种平稳、流畅的、让人回味无穷的语气，而且他的长脖子也仰着，下巴像是要指到天上去，好像是萨克斯风的管口一样翘着。

According to these findings, optimal ETT cuff filling pressure can be identified by monitoring P(CO2) at the nares or the oropharynx.

根据这些发现，最佳 ETT 管口套囊填充压可以通过监测鼻孔或喉部的 P （ CO2）来确定。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐