这些条件有助于进化出用于支撑枝干的结构、运输水分和养分到植物各部分的导管以及储存水分的结构。
These conditions favored the evolution of the structures that support the body, vessels that transport water and nutrients to all parts of plant, and structures that conserve water.
每个部件的整个重量由它的表面支撑,比较厚重的部位让人联想起承受大部分重量的导管结构。
The entire weight of each object is supported by its skin, with thicker areas that are reminiscent of natural vascular structures bearing most of the load.
一个原因是树木的分室的导管系统(Compartmentalized vascularsystem),因此可以允许树木一部分死亡,而同时另一部分仍然在旺盛的生长。
One secret to their longevity is their compartmentalized vascular system, which allows parts of the tree to die while other portions thrive.
医用介入导管是介入器具的重要组成部分,其尺寸微小,属于微细导管。
Medical interventional catheter is an important part of interventional apparatus. It has small size and belongs to the minicatheter.
部分胰岛细胞、胰腺外分泌细胞和所有导管上皮细胞均表达人类血型A抗原。
The human blood a type antigen was highly expressed on some islet cells, some exocrine secretory cells and all the duct epithelium.
结果能有效解除导管体外部分的完全血凝性堵塞及防止导管移位。
Results Some of complete hemagglutinin occlusion were effectively relieved in vitro catheter and the catheters displacement was prevented.
胰腺内、外分泌部分都有。它通过导管分泌消化液,又向血流分泌这种胰岛索激素。
The pancreas has both exocrine and endocrine portions. It secretes digestive juice through ducts, and secretes the hormone insulin into the blood stream.
目的探讨保留腮腺主导管的腮腺部分切除术在治疗肿瘤直径小于2。
Objective to investigate the feasibility of partial parotidectomy without ligation of the parotid main duct fort he treatment of benign parotid tumors which is less than 2.
作为仅一个接头部分的代替,导管的多个部分可以配置为在预定方向弯曲。
Instead of only one junction portion, a number of portions of a catheter may be configured to bend at a predefined direction.
给出一种新型的工业用内窥镜摄影系统,该系统由内窥镜、光学关节(四节刚性转像透镜导管)、摄影联接管和摄影机四部分组成。
This system consists of fourmain parts, namely, the endoscope, the optical links including four rigid guide tubes for theimage transfer lens, the photographic adapter and the camera.
目的分析经导管肝动脉化疗栓塞术(TACE)及部分脾栓塞术(PSE)联合治疗对原发性肝癌(HCC)患者的肝功能影响。
Objective to evaluate the effect of transcatheter arterial chemoembolization (TACE) plus partial spleen embolization (PSE) on the liver function in patients with hepatocellular carcinoma (HCC).
探头导管各部分长度。
同时,为了观察侧支循环情况,我们通常使用经颅和经骶途径观察,但是大部分导管室都没有采用这类的检查。
Also, to see the collateral route, we always take the cranial and caudal but in the majority of cath LABS they never take these kinds of projections.
方法应用海藻酸钠微球(KMG)和微导管系统对常规导管不能超选择的18例脾功能亢进患者行部分性脾栓塞术。
Methods PSE by using KMG particles and by using microcatheter in 18 patients with hypersplenism, who were unable to adopt the conventional catheter.
该浮子能让饮水导管浮子以上的部分浮出水面。饮水导管的中间部分有了这种浮子,该吸管就能和饮料一起密 封在饮料容器中。
Owing to the float, the straw may the upper part over the float floated on water surface. the straw may be sealed inside beverage container together with the beverage.
本发明公开了一种自浮式卫生吸管,主体为一根长直饮水导管,其特征在于:所述导管中间部分的外壁上有一个浮子。
The floated sanitary straw is mainly one long straight water drinking duct, and features the float in the outer wall of middle part.
PE大部分患者,我们不推荐使用介入导管技术(1c)。
For most patients with PE, we recommend against use of interventional catheterization techniques (Grade 1c).
值得注意的是中心处筛型且有明显微钙化的导管内癌组成部分。
Note the intraductal component in the center with cribriform pattern and prominent microcalcifications.
通气管包括被连接至通气管的帽,其中,帽部分地阻隔进入入口开口的机会,以防止导管的污染。
In one preferred embodiment, the snorkel includes a cap connected to the snorkel wherein the cap partially obstructs access to the intake opening in order to prevent contamination of the conduit.
导管装置包括至少一个锚定元件,用于将导管的远端部分保持在盘内。
A catheter device includes at least one anchoring member for maintaining a distal portion of the catheter within a disc.
在大部分的足月儿,其动脉导管在出生后的几天内会关闭,起初是经由肌肉层的收缩来达到功能上的关闭,接著是经由血管内皮的重塑。
In most term infants the patent ductus arteriosus (PDA) closes within days of birth, first by contraction of a muscular layer to achieve functional closure and then by endothelial remodeling.
目的研究K MG和微导管系统在部分性脾栓塞中的应用价值。
Objective To study the value of microcatheter system in partial splenic embolization (PSE).
绝大多数先天性动脉导管未闭症可做常规闭合术,但对少部分合并重度肺动脉高压者将冒极大风险。
Majority of the cases with congenital PDA can be operated on with routine technique, but it will be very dangerous for some patients complicated with severe pulmonary hypertension.
绝大多数先天性动脉导管未闭症可做常规闭合术,但对少部分合并重度肺动脉高压者将冒极大风险。
Majority of the cases with congenital PDA can be operated on with routine technique, but it will be very dangerous for some patients complicated with severe pulmonary hypertension.
应用推荐