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- Withdrawl intensity is increased with screw diameter and length. 椎弓根螺钉的稳定性在骨质疏松时明显降低,对于骨质疏松患者,单纯增加螺钉直径较为困难,一般需进一步强化椎弓根螺钉的稳定性,聚甲基丙烯酸甲酯骨水泥强化骨质疏松椎弓根螺钉能显著增加螺钉的稳定性和抗屈强度,但由于骨水泥聚合产生高热可导致组织损伤,体内长期留置会产生毒性和致癌作用,具有良好生物相容性的新型添加材料,如羟基磷灰石骨水泥、磷酸钙骨水泥等将逐渐替代聚甲基丙烯酸甲酯骨水泥。
- introducer with screw 带螺旋的气管插管器
- Acknowledge11 your introducer with a nod and a thankyou. 对介绍你的人点点头,说声谢谢。
- A bolt consists of a head and a cylindrical body with screw threads along a portion of its length. 螺栓是一个带头部并在部分长度上有螺纹的圆柱体。
- To introduce with or as if with a prelude. 开头用或似乎用序曲来引入
- To be hung on a ceiling hook or fixed with screws. 悬挂在天花板挂钩上或用螺钉固定。
- The sustainability of perforating casing with screw holding is analysed by using the finite element software ANSYS. 文章利用ANSYS有限元分析软件,对螺旋布孔射孔套管的承载能力进行了分析。
- Her coat with screwed sleeves is very beautiful. 她那件罗纹袖口的衣服很好看。
- The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively. 综合分析了目前使用的PDC钻头和螺杆钻具工作特性。
- Attach the pulley which is held by hand with screws. 用螺丝安装皮带轮的手持部分。
- New techniques were introduced with varying degrees of success. 引进新技术的成功程度不尽相同。
- Wedge test and its advantage had been introduced with conclusion. 介绍了楔压试验及其优点,归纳出了楔压强度与抗拉强度之间的关系
- Move the BOP crane to the end and secure it with screws. 防喷吊移到顶端并用螺丝固定。
- Knobs and cleats shall be fastened securely with screws. 瓷夹和夹板应用螺丝拴牢。
- The hero is always introduced with a flourish of drums and trumpets. 英雄总是在鼓角齐鸣中出
- This subsection describes new behaviors introduced with compatibility level 90. 本小节介绍随兼容级别90引入的新行为。
- With screw pole continue rotating, advancing gate-rotor make close working cubage reduce gradually. When working cubage communicate with vent, the exhaustion process is over. 随着螺杆继续转动,星轮齿推进使封闭的工作容积逐渐减小,当工作容积与排气孔口连接时,压缩过程结束。
- Rar- The electronic installation seal waterproofing introduced with the resin. 电子设备密封防水用树脂介绍。
- A new desihn idea of a double-tank waste water treatment device was introducer with two tanks, one is a conical cyclone cylinder, the other is multi-layer filtration tank. 本文介绍了一种新型的双罐污水处理装置的设计思路,该装置的第一密闭罐中有一锥形旋流缸,第二密闭罐是多滤芯沉降过滤罐。
- Screw air compressor oil is developed to meet the requirement that the new type railway passenger locomotive be equipped with screw air compressor. 为适应铁路新型客运机车装用螺杆式空气压缩机的需要,研制螺杆式空气压缩机油。