The present invention relates to the preparation of binuclear olefin polymerizing post-metallocene post-transition metal catalyst.
本发明是关于双核后过渡金属“茂后”烯烃聚合催化剂的制备。
Off Japan's northeastern coast, an oil tanker lay eerily stranded in shallow water. Inland, in Sendai, a black mini-van perched perilously on a metal post.
日本东北部海岸不远处，一艘油轮怪异地搁浅在浅水区。在内陆的仙台，则有辆小面包车停在危险地金属桩上。
Progress on synthesis of post transition metal nickel complex and its application as catalyst in olefin polymerization was reviewed.
对后过渡金属镍络合物及其催化烯烃聚合的研究进展进行综述。
Objective To repair residual crowns and roots of anterior teeth with casting post core with metal porcelain crown.
目的探讨利用铸造核桩加金属烤瓷全冠来修复前牙残冠、残根的优点。
Conclusion Glass fiber post is better in restorative effects and histocompatibility compared with metal post.
结论玻璃纤维桩的修复效果和生物相容性优于金属桩。
Objective To compare the post-operative results between the patient group which used absorbable interference screw and metal interference screw during ACL reconstruction surgery.
目的膝关节镜下采用可吸收界面螺钉与金属界面螺钉重建膝关节前交叉韧带术后结果比较。
This post is going to tell you how baldy and ugly metal bodies of cars are take their natural, ready to use, form.
本文继续揭秘从丑陋的车体框架变成自然的可用的车辆。
Metal porcelain crowns were made, following completion of cement cast post cores and impression.
粘固铸造好的核桩，取印模，制作金属烤瓷全冠。
FIBER post: Prepare the root canal with the Pre-Shaping and Finishing drills, according to manufacturer's instructions. METAL post: Sandblast the surface of the post.
纤维桩：依照厂商说明使用预成钻和完成钻进行根管预备。金属桩：对桩的表面喷砂。
Fiber post is superior to conventional metal post when strength, hardness, aesthetic performance, erosion-resistance, fatigue-resistance, and biocompatibility are considered.
与传统的金属桩相比，纤维桩的强度、硬度、美学性能、抗腐蚀、抗疲劳性能以及生物相容性均比较优越。
Objective: Comparing of clinic using of prefabricated screw and cast metal post-and-core of posterior tooth.
目的：比较后牙成品螺纹桩核与铸造桩核的临床应用比较。
Methods: Comparing of strength and retention of prefabricated screw and cast metal post-and-core of posterior tooth after 5 years using.
方法：通过5年的使用观察，比较成品螺纹桩核与铸造桩核固位力和核的强度。
The non-planarity of a surface post electroplating process is usually dependent on variations of key layout characteristics including line width, line spacing and metal density.
铜电镀工艺后表面的不平整度通常取决于版图关键特征，包括线宽，线间距和金属密度。
With metal salts and organic acids as mordant, the dyeing properties of madder fabric dyed with sorghum red, a natural dye, were studied using pre-mordant and post-mordant methods.
分别以金属盐和有机酸为媒染剂，研究了天然染料高粱红对亚麻织物的预媒、后媒法染色性能。
The post-processing of indirect SLS includes debinding, pre-sintering, high temperature sintering and metal infiltration.
间接法选择性激光烧结技术制备金属件的后处理工艺包括脱脂、预烧结、高温烧结以及渗金属。
Objective to investigate the effect of restoration of large defects or complete defects with multi-post-core baked porcelain veneer crown or full metal crown.
目的观察临床使用铸造金属多根桩全冠修复磨牙牙冠大面积缺损的效果。
In cast metal post and core group 4 teeth were found root fracture, 3 cast metal post and core were loose and 8 teeth were with gingival grey line.
而铸造金属桩核组发生根折4颗、铸造金属桩核脱落3颗，出现牙龈色素沉着8颗。
Objective to investigate clinical effects of glass fiber post and metal post in anterior teeth restoration.
方法比较玻璃纤维桩和金属桩各91例的前牙修复效果。
There was no statistical significance (P> 0.05) of the fracture rate of post-core between fiber posts(1) and cast metal posts(1).
纤维桩组与铸造金属桩组桩核折断各1例，差异无统计学意义（P>0.05）；
The present invention belongs to polymer-transition metal 'post-cyclopentadiene' catalyst for olefin polymerization and its preparation process.
本发明是属于高分子化后过渡金属“茂后”烯烃聚合催化剂及其制备方法。
AimTo evaluate the clinical effect of the restoration using prefabricated screw post, light-cured composite resin core and porcelain-fused-to-metal crown for residue crown and residue root.
目的总结螺纹根管钉、光固化树脂核、金属烤瓷全冠修复残根残冠的临床经验。
AimTo evaluate the clinical effect of the restoration using prefabricated screw post, light-cured composite resin core and porcelain-fused-to-metal crown for residue crown and residue root.
目的总结螺纹根管钉、光固化树脂核、金属烤瓷全冠修复残根残冠的临床经验。
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