滞留

Element approach is employed, and the amount of each component holdup is calculated element by element with a proper void fraction model.

将换热器分解成若干微元，选用恰当的空泡数学模型，计算各组分在换热器中的滞留量。

Objective:To assess the diagnostic value of color Doppler power imagingin retained placenta during puerperal period.

目的 ：估价彩色多普勒能量图在晚期产后胎盘滞留诊断中的价值。

With the reduction of SOM content and the elevation of contamination concentration, the difference between PHE and PYE decreases gradually, while B［a］PYE exhibits a significant difference from them. This could be attributed to the high lipophilicity and large molecular size of B［a］PYE, which make the molecule of B［a］PYE to be more easier to be held in the nanopores of clay and the dense region of SOM.

不同多环芳烃SPMD辅助解吸率差别很大，随着土壤有机质含量的降低，以及污染物浓度的提高，菲和芘的解吸差异逐渐缩小，而苯并［a］芘与上述2种多环芳烃的差异很大，主要是由于苯并［a］芘具有高度亲脂性，并且分子较大，造成其容易滞留在粘土的微孔及有机质的致密结构中。

Methods In view of the selective accumulation of porphyrin derivatives in tumor tissue, three ftorafur-porphyrin compounds and three metal compounds were designed, and the target compounds were synthesized with satisfied yield via a four-step procedure starting from pyrrol and substituted benzaldehydes.

根据卟啉对肿瘤组织的选择性滞留作用，设计了3个卟啉替加氟化合物及3个金属络合物，并以吡咯和取代苯甲醛为原料经4步反应以满意的收率得到目标化合物。

Methods to ivestigate 22 cases esophagograms by the digital radiology, and these cases which their postoperative pathological diagnoses were early esophageal carcinoma,4 cases were epithelial carcinoma,7 cases were intramucosal carcinoma,11 cases were submucosal carcinoma.results from the characteristic finding in esophagograms of early esophageal carcinoma, we can find, the foic of esophagus are short, the abrupt change in caliber,ragged edge,mucosal fold hypertrophy or interuption, and may be have spots of barium stay in.conclusion digital radiology in esophagraphy is demonstrated to be a valuable technique, which can improve the detection rate and diagnose rate of early esophageal carcinoma.

分析近期应用数字胃肠机检查发现的经手术病理证实的22例早期食管癌的x线表现，其中上皮癌4例、黏膜癌7例、黏膜下癌11例。结果：短期内发现的早期食管癌，病变段短，局部管壁微凹僵直，部分边缘稍不整，黏膜增粗、中断或有浅在小钡斑滞留。结论：数字胃肠机在提高早期食管癌的检出率和诊断准确率中具有重要价值。

Results From the characteristic finding in esophagograms of early esophageal carcinoma, we can find, the foic of esophagus are short, the abrupt change in caliber,ragged edge,mucosal fold hypertrophy or interuption, and may be have spots of barium stay in.

结果：短期内发现的早期食管癌，病变段短，局部管壁微凹僵直，部分边缘稍不整，黏膜增粗、中断或有浅在小钡斑滞留。

Compared with the conventional random scan, raster scan has the advantages of high brightness, high resolution, clear image, steady display and no-glint, great display information capability, long stay and picture-controlled, etc.

与传统的随机扫描显示器相比，光栅扫描显示器具有亮度高、分辨率高、图像清晰、显示稳定无闪烁、显示信息容量大、滞留时间长、画面可控等优点。

On occasion bone chips can create severe constipation, become lodged between teeth, in the esophagus or intestinal tract, and can create severe pain when the dog eventually has to pass the chips rectally.

有时候，小碎骨会引起严重的便密，或是滞留在狗的牙齿或食道、肠道的内部，并引起在消化和排泄过程中的严重疼痛。

He said the Democrats propose to begin what he called a responsible and rapid redployment redeployment of American troops out of Iraq.

他表示民主党人计划着手其"负责的迅速的"撤回滞留在伊拉克的美军。

The profile of metal ions in Masson pinewood is researched by means of SEM EDAX and atomic absorption spectrometer. The content and retentivity of metal ions in unbleached KP AQ pulp of pinewood are studied.

用扫描电镜能谱仪及原子吸收光谱仪研究了马尾松的金属离子分布及马尾松硫酸盐蒽醌法未漂浆中金属离子的分布及滞留性能。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。