这相比过去将长长的胃管导入患者消化道的旧式技术，无疑是一个巨大的进步。
It marks a vast improvement on an older technique that involves pushing a long tube through a patient's digestive tract.
阐述了化学导入法(PEG)、电穿孔法、注射法，粒子轰击法、花粉管萌导法及使用其它载体系统的成功实例。
The direct gene transfer systems involved the chemical method (PEG), electroporation, microinjection, particle bombardment, pollen-mediated gene transfer and other systems using various vectors.
目的研究氟离子导入过敏牙本质后牙本质小管的形态变化。
Objective to study the conditions and alterations of dentin tubule orifices after fluoride iontophoresis into hypersensitive dentin.
本文采用聚丙烯酰胺凝胶电泳的方法，对利用花粉管通道途径，导入外源DNA所获大豆变异后代，进行过氧化物酶酶谱分析。
With the method of polyacrylamide gel electrophoresis analysis of the peroxidase patterns in variant progenies of soybean obtained by introduction of DNA through pollen tube.
目的探讨经外周导入中心静脉置管采集血标本的可行性及其对检验结果的影响。
Objective To explore the feasibility of obtaining blood samples by using PICC and its effects on the results of blood tests.
本文利用花粉管通道在大豆自花受粉后，将野生大豆DNA导入栽培大豆，从而引起了后代性状的广泛变异。
This study reports that wild soybean DNA was introduced into cultivar soybean through pollen tube after soybean self-fertilizing, it led to wide variation in offspring characteristics.
采用花粉管通道法遗传转化技术，将慈姑蛋白酶抑制剂基因API导入水稻品系“9311”，获得了转基因植株。
Transgenic rice plant was obtained by transferring the Arrowhead Proteinase Inhibitor (API) gene into rice line "9311" by pollen-tube pathway method.
目的探讨外周导入中心静脉置管留置时间。
Objectives To explore the timing of peripheral conducted central vein indwelling catheter.
过滤器单元中设有线屑过滤器 （61），并且设有与空气排出口（46）及空气导入口（47）相连通的管 道。
The filter unit 60 is provided with a lint filter 61 and a duct communicating with an air outlet 46 and an air introduction opening 47 is formed.
用微量移液器加入待测溶液和硼氢化钾溶液，在反应杯中发生氢化物并导入石英管进行原子化。
Sample and KBH_4 solutions are introduced into the reaction cup with micro pipettes sequentially, then hydride generated is guide into quartz cell for atomization.
采样管再经加热解吸导入附有氢火焰检测器的气相色谱仪进行分析。
After being heated up and desorbed the sampling tube was led into a gas phase chromatography with a hydrogen flame detector for analysis.
本发明还涉及密封管道外螺纹的制造方法、制造装置以及导入式过盈配合管螺纹副管件。
The invention also relates to a method and a device for manufacturing the external thread of the sealing pipeline and a thread pair pipe fitting of a guide-type interference fit pipe.
控制构件(40)通过被导入到管腔(2)内的流体(3)的流动来控制胶囊主体(20)在管腔(2)内的运动。
The control member (40) controls a movement of the capsule body (20) in the lumen (2) by a flow of a fluid (3) introduced in the lumen (2).
结果表明 ：几丁质酶对镰刀菌引起的西瓜枯萎病有一定的抑制作用 ，利用花粉管通道法直接导入西瓜活体植株的技术是可行的。
The results indicated that the chitinase had certain inhibition effect on Fusarium oxysporum, and the method of pollen tube pathway could be successfuly used in watermelon transformation.
目的：探讨外周导入中心静脉置管术（PICC）在白血病患儿应用的常见护理问题，减少并发症的发生。
Objective:To explore the nursing problem and countermeasure of placing Peripherally Inserted Central Catheter(PICC)in children with leukemia Methods:PICC was placed in 25 chidran with leukemia.
加热蒸汽应通过最低水位下的喷洒器蒸汽管耙导入给水箱内储存的水里。
Heating steam shall be introduced into the water stored in the feed water tank through a rake of sparger steam pipes below the minimum water level.
加热蒸汽应通过最低水位下的喷洒器蒸汽管耙导入给水箱内储存的水里。
Heating steam shall be introduced into the water stored in the feed water tank through a rake of sparger steam pipes below the minimum water level.
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