定向技术

方法将CT与脑立体定向技术相结合，在CT引导下对12例脑内病灶进行立体定向活检术。

Methods CT-guided stereotactic biopsy were performed in 12 patients with brain lesions .

应用脑立体定向技术，对CM核行热凝射频毁损。

The brain stereotactic technique was used to damage the nucleus centromedianus thalami with radiofrequency coagulation lesions .

结论利用立体定向技术，选择内侧前脑束为靶点，可建立6-OHDA大鼠PD模型。

Conclusion PD rat model was successfully established by injection of 6-OHDA with the stereotactic technique .

方法：1.选择SD雄性大鼠，心脏采血，通过立体定向技术注入其右侧尾状核，建立脑内注入自体血的脑出血动物模型。

Using the Male SD rats to establish animal models of intracerebral hemorrhage by stereotactic injection of autologous cardiac blood into the right caudate nucleus .

水声探测技术在舰船RCS测量中的应用矢量传感器的复声强法定向技术研究

The application in RCS test of ship with water-sound detection technology Study of Direction Estimation Based on Intensity Measurement Using Acoustic Vector Sensor

方法采用立体定向技术制作大鼠脑出血模型，在脑出血后不同时间分别断头取脑，免疫组化法测定脑组织MMP-2、MMP-9的表达量。

At the due time , the rats were killed and brain tissue was removed for measurement of MMP-2 and MMP-9 immunohistochemical stain .

立体定向技术注射6-OHDA至内侧前脑束建立帕金森病大鼠模型

PD rat model were established by the injection 6-OHDA into the medial forebrain bundle ( MFB ) with stereotactic technique

目的：总结微电极导向立体定向技术行脑内核团毁损和脑深部电刺激（DBS）治疗帕金森病的临床经验。

Objective : To summarize the experience on clinical application of microelectrode-guided stereotactic pallidotomy or thalamotomy and deep brain stimulation for treatment of Parkinson disease .

方法：对39例颅内囊性肿瘤MRI定位后，确定穿刺道和靶点坐标，采用立体定向技术抽吸瘤内囊液使肿瘤容积缩小，然后二次MRI定位行伽玛刀治疗。

Methods : 39 patients with single intracranial cystic tumors were treated by gamma knife radiosurgery combined with stereotactic aspiration . After MRI localization , the intra-cystic component was aspirated through stereotactic technique and the volume was measured while aspiration .

该井采用了地质跟踪、无线随钻测量技术、螺杆钻具定向技术与DF-1多分支井完井技术等。

This well employed Measured While Drilling , geologic followup , screw drill direction technology and DF-1 multilateral well completion technology .

方法参照Yang和Xue的方法，通过立体定向技术注入自体不凝血制备大鼠尾状核出血模型，观察术后血肿形态、脑组织含水量动态变化。

Methods In accordance with Yang and Xue , stereotaxic apparatus and infuse fresh quantitative autologous blood into the left caudate nucleus was utilized to build up rat ICH model , and observe the form of hematoma and the dynamic change of brain water after ICH .

结论通过立体定向技术同期将DBS系统植入动物体内，可以有效的建立DBS动物模型，为DBS在神经疾病的应用研究提供了良好的实验模型。

Conclusion Animal models of DBS can be established by the system of DBS including of leads and pulse generators implanted simultaneously in animal models , which are important tools in experimental research of neurological disorders treated by DBS .

方法：采用X线立体定向技术，单次、大剂量照射脑转移瘤，设4个~9个非共面照射野，80%等中心剂量线覆盖PTV。

Methods Brain metastases of all patients were radiated with high-dose X-rays stereotactic radiosurgery ( SRS ) only one fraction , which including 4 to 9 non-coplane fields and whose PTV were enveloped 80 % iso-center dose .

本文在分析了基于产出距离函数的Malmquist指数的局限性后，定义了在t时期上的定向技术距离函数，提出了修正的Malmquist指数（简称ARD，AGL），并用线性规划给出了求解方法。

The paper defines directional technology distance function in period t and a modified Malmquist index ( ARD , AGL ) after analyzing the limitations of Malmquist indexes defined on directional output distance function . Then it proposes a linear programming way to its solution .

首先采用磁定向技术对岩心定向，然后采用差应变分析、波速各向异性以及凯瑟尔效应等手段开展岩心应力场测试；结合地层倾角测井资料确定了最大水平主应力方向NE70～95°；

The core-test methods of Differential strain analysis , anisotropy of wave speed and Kaiser Effect as well as formation inclination logging are used to determined azimuth and value of maximum horizontal principal stress , the azimuth is about NE70 ° ~ 95 ° .

光电测距和陀螺定向技术在矿井贯通测量中的应用

Application of Geodimeter and Gyro Orient Technique in Colliery Piercing Measurement

立体定向技术行脑深部病变131例活检和治疗的临床分析

Stereotactic biopsy and treatment of deep intracranial lesions in 131 cases

CT/MRI结合立体定向技术辅助显微手术切除颅内小病灶

CT / MRI guided stereotactic microsurgery for resection of small intracranial focus

基于光纤陀螺的寻北定向技术研究

Study on Technology of Orientation and North-Finding Based on Fiber Optic Gyroscope

矢量传感器的复声强法定向技术研究

Study of Direction Estimation Based on Intensity Measurement Using Acoustic Vector Sensor

立体定向技术治疗难治性Ⅰ型精神分裂症180例临床分析

Treatment of intractable schizophrenia of I type with stereotactic techniques

低频声波定向技术研究

Research on the Directional Technology of the Low-frequency Sound Wave

水平钻进横穿公路的定向技术研究

Research on Horizontal Directional Drilling Technology to Crossing Highway

水下声源被动定向技术研究

Research on Passive Localization Technique of Underwater Sound Source

基于载波相位干涉测量的双星定向技术研究

Research on Orientation Determination Technology Using Bi-Satellite System Based on Carrier Phase Interferometry

晶粒定向技术制备无铅压电陶瓷的研究现状与进展

Research and progress of lead-free piezoelectric ceramics prepared by the grain orientation technique

内定向技术中基于微机的框标自动识别

Method of Reference Mark Automatic Recognition Based on PC

单星定向技术研究

Research on Orientation Determining With Single Geostationary Satellite

立体定向技术制作大鼠脑出血模型评价

Evaluation of stereo-orientation technique making ICH animal model

阵列处理的高分辨技术一直是国内外十分关注的研究热点，其中高分辨多目标定向技术是国内外集中力量研究的重点。

High-resolution multi-source direction finding is always a hot research area in array signal processing .