胃肠的

The timing and character of refeed of the patients in the observation group were determined on the basis of the imaging changes of ultrasonography and CT scan of the pancreas besides the level of the blood and urine amylase, function of the gastrointestinal tract, and symptoms and signs of the patients.

对照组仅根据血淀粉酶及尿淀粉酶值、胃肠功能恢复情况和病人自我感觉而决定进食时间和种类；观察组除根据上述因素外，还依据胰腺的B超及CT影像学变化决定进食时间和种类。

Objective To explore the diagnosis and treatment of gastrointestinal stromal tumor.

目的 探讨胃肠道间质瘤的临床特点。

Objective: To explore the diagnosis and treatment of gastriointesinal stromal tumor.

目的：探讨胃肠道间质瘤的诊断和治疗方法。

Objective:To explore the origin of gastrointestinal stromal tumors.

目的：探讨胃肠道间质瘤的组织发生。

Objective: To study the expressions of CD117 and CD34 of gastrointestinal stromal tumors and their clinical significance.

目的：探讨CD117和 CD34在胃肠道间质瘤中的表达及其临床意义。

Abstract］ Objective To study the clinical diagnosis,treatment,and prognosis of gastrointestinal stromal tumor.

目的 探讨胃肠道间质瘤的临床诊断、治疗及预后。

Objective: To investigate features and significance of ultrasonography in the diagnosis and differential diagnosis of gastrointestinal stromal tumors.

目的：探讨胃肠道间质瘤超声表现特点和超声在鉴别诊断中的意义。

Methods PICC was performed in 33 patients while subclavicular vein insertion in 30 patients for comparison in order to analyse prospectively the advantages and disadvanges of PICC .

方法分别对33例和30例腹部恶性肿瘤围手术期患者，随机应用了经肘部静脉穿刺置入PICC导管和经锁骨下静脉穿刺上腔静脉置管，实施胃肠外营养，比较两种导管的优劣。

Background and study aims :Endoscopic submucosal dissection is a noel technique used for the treatment of gastrointestinal neoplasia.

目的 内镜下粘膜切除术是治疗胃肠道肿瘤的一项新技术。

Background and study aims : Endoscopic submucosal dissection is a noel technique used for the treatment of gastrointestinal neoplasia.

目的内镜粘膜下剥离术是一种用来治疗胃肠道肿瘤的新技术。

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。