7f

CKD_ ( 7F ) diesel locomotive electrical system

CKD（7F）型内燃机车电气系统

Design and manufacture of the bogie for CKD_ ( 7F ) locomotive

CKD（7F）型机车转向架的设计与制造

Production and application of 22dtex / 7f nylon hollow DTY

22dtex/7f锦纶中空DTY的试制与应用

Reason analysis and countermeasures of the deformation and cracks on the coupler yoke of CKD_ ( 7F ) locomotive

CKD（7F）型机车钩尾框变形和裂纹的原因分析及对策

CKD_ ( 7F ) meter-gage locomotive exported to Vietnam

CKD（7F）型出口越南米轨机车及其试验与运用

Methods : VSD was created by transcatheter puncture through jugular vein and closed by occluder via 7F delivery sheath under fluoroscopy in the catheterization laboratory .

方法：通过右颈内静脉途径穿刺室间隔制备犬室间隔缺损模型，模拟临床经导管封堵过程，经鞘管送入新型室间隔缺损封堵器，闭合人工制备的室间隔缺损。

Remove / / and % 00 - % 1f , % 7f - % ff , % 25 from the default list of bad url characters .

从默认的错误url字符列表中删除//和%00-%1f，%7f-%ff，%25。

In the flow model of 15 mm inner tube diameter , compared with 8F Oasis , mean time of thrombectomy was shorter and rate of thrombectomy was higher for 7F Hydrolyser ( p < 0.05 ) .

15mm内径中，7FHydrolyser比8FOasis血栓清除时间要短（p＜0.05），血栓清除率要高（p＜0.05）。

Synthesis experimental conditions of compounds 2b , 2c and 7f were optimized to obtain the optimal synthesis conditions . The synthesis strategy of addition condensation reaction , aromatic amine reaction , Suzuki carbon-carbon coupling reaction and amide condensation reaction were discussed .

并对化合物2b、2c、7f的合成条件进行了优化，得到了最佳的合成条件；讨论了合成方法中加成缩合反应策略、芳胺化反应策略和酰胺缩合反应策略。

We obtain the linewidth of 5D 0 → 7F 2 emission spectra of Y 2O 3 : Eu 3 + at different temperature , and explain the difference between the nanocrystals and the bulk . using the internal stress and quantum confinement effect .

测得Y2O3：Eu3+纳米晶和体材料的5D0→7F2发射峰的变温线宽，通过内应力和量子限域效应对其不同进行了解释。

Methods From January 2001 to March 2002,24 patients with locally recurrent NPC were treated by 3DCRT with the dose of 28 Gy / 7f / 15 days in the planning target volume , following routine radiotherapy of 40Gy / 20f / 4 weeks .

方法2001年1月～2002年3月，采用常规放疗结合三维适形放疗治疗局部复发鼻咽癌24例，常规外照射40Gy/20次/4周后进行适形放疗，治疗剂量为28Gy/7次/15d。