objective to assess the efficiency, safety and indications of permanent inferior vena cava filters ( vcf) placement for prevention of pulmonary embolism in cases of deep vein thrombosis ( dvt).

1、

being a vcf is also more punishing physically because no night out ends before breakfast time; in my day it was no shame for a cool person to go to bed at midnight.

当一名超酷新生对体力的挑战也更大，因为没有哪个有节目的夜晚结束于早餐时间以前。在我那个时候，摆酷的学生午夜12点睡觉算不上羞耻。

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2、

several different types of solutions, including neutral, alkaline, acid one and a non-aqueous one were selected to explore their effect on the vcf phenomenon.

比较了几种不同类型的盐溶液、酸性溶液、碱性溶液和一种非水导电溶液对电控摩擦效应的影响。

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3、

the development of vcf expands the type of heat-treatment furnace and offers a thought for heat-treatment and flattening of metal plate.

该设备的研制成功，丰富了热处理炉的炉型，为金属板材的热处理和校形提供了一种新思路。

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4、

the money risked on a gamble.

赌博中冒险押下的钱。

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5、

a high-speed toggle flip-flop ( tff) based frequency divider is presented, which outputs two channels of orthogonal signals, i and q, with dynamic load.

给出了一个电源电压为1.8V、功耗为0.9mW的4.8GHz二分频器。该分频器采用基于反转触发器（TFF）的电路结构，使用动态负载，输出I、Q两路正交信号。

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6、

tff ( trefoil factor family) peptides are well known for their protective and healing effects after mucosal damage.

三叶肽家族在维护胃肠道黏膜的完整性和损伤后修复方面起重要作用。

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7、

the multi-channel tff dwdm with low insertion loss

低插入损耗多通道介质膜型光波分复用器

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8、

mechanical properties of uhmwpe fiber under heating state

热状态下UHMWPE纤维的力学性能

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9、

creep deformation of uhmwpe fiber and its mathematics model fitting

UHMWPE纤维蠕变性能及其数学模型拟合

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10、

infrared radiation study of compressive mechanical properties of uhmwpe acetabular cup material

超高分子量聚乙烯人工髋臼材料压缩性能的红外辐射研究

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11、

experimental study of compressive properties of uhmwpe acetabular cup material at human body temperature

人体体温下UHMWPE人工髋臼材料压缩性能的试验研究

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12、

study on mechanical properties and microstructure of pa66/ uhmwpe alloy

PA66/UHMWPE合金的力学性能和微观结构研究

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13、

uhmwpe fibers with surface treatment and its composites properties

UHMWPE纤维表面处理及其复合材料性能

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14、

study on the friction and wear properties of uhmwpe/ sio_2 composite materials

UHMWPE/纳米SiO2复合弹性材料的摩擦磨损性能研究

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15、

the thermal deformation and heated shape-changing processing of uhmwpe products

UHMWPE制品的受热形变和热变形加工

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16、

effect of gel concentration on the processing and structure and property of uhmwpe fibers

凝胶质量分数对超高分子质量聚乙烯纤维加工及结构性能的影响

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17、

modified methods of uhmwpe and applications on coal mine

超高分子量聚乙烯改性及其在煤矿中的应用

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18、

effect of ultrasonic field on rheology and tensile behavior of uhmwpe

超声场致作用对UHMWPE流变及拉伸性能的影响

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19、

study on structure and property of pp/ uhmwpe blends

聚丙烯/超高摩尔质量聚乙烯共混物的结构与性能研究

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20、

the study of testing and fractal model of uhmwpe separator

UHMWPE微孔隔板结构的测试与分形模型研究

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