plate

摘要： Recent studies have shown that microRNAs(miRNA)play important roles in many biological processes including the zones'turnover of growth plate during long bone development.The Gene Expression Omnibus(GEO)dataset(GSE98036)was explored to identify differentially expressed miRNAs between proliferative and hypertrophic zone in growth plate.The potential target gene CCND1 was found by taking the intersection of predicted targeted gene of miRNA-322-5p and top 10 hub genes of GSE7685 which similarly analyzed the dif ferentially expressed genes between zones in growth plate.The qPCR analysis showed that miRNA-322-5p expression was significantly down-regulated in proliferative zone com pared with hypertrophic zone in P0 mice,accompanied by up-regulation of CCND1 expression,The same result was confirmed using ATDC5 cultures in vitro.Furthermore,overexpression of miRNA-322-5p down-regulated CCND1 expression in chondrocytes,while miRNA-322-5p knockdown promoted CCNDl expression.

摘要： 1.The soup course;Dinner usually begins with soup.The largest spoon at your place is the soup spoon.It will be beside your plate on the right-hand side.2.The fish course If there is a fish course,it will probably follow the soup.There may be a special fork for the fish.It is often smaller.

摘要： 华中农业大学教授动物医学院副院长中国畜牧兽医学会内诊分会副会长近年来发表的代表性作品①Huang,S.C.,Zhang,L.H.,Zhang,J.L.,Rehman,M.U.,Tong,X.L.,&Qiu,G.,et al.Role and regulation of growth plate vascularization during coupling with osteogenesis in tibial dyschondroplasia of chickens:Scientific Reports,8(1),3680.2018(IF:4.259;通讯作者).

摘要： Post cam mechanism of Posterior Stabilized (PS) knee prostheses is useful to realize intrinsic stability for cases with severe degeneration. However, some retrieval studies report severe failure of the polyethylene tibial post. We thought that severe failures were caused by high loads during daily activities. In the current study, we performed a compression test and a finite element analysis of the mechanical forces produced in the tibial post in posterior-stabilized knee prostheses in order to develop a specification for the tibial posts found in the polyethylene inserts of PS knee prostheses. Anterior tibial post impingement and posterior tibial post impingement were simulated. The surface pressure values detected in the compression test were consistent with those obtained in the FE analysis. Of the three designs, the lowest von Mises stress values were generated inside the round tibial post;therefore, tibial posts should be round. The risk of tibial post failure was low when 500 or 1000 N was loaded onto the knee joint. It was suggested that tibial post failure occurs when the shear strain at the base of the tibial post exceeds 0.1.

摘要： In proximal humeral fracture except AO classification 11A1, fixations with a locking plate and nails are recommended. We performed mechanical tests to investigate whether retrograde intramedullary nailing has fixation stability comparable to those of anterograde intramedullary nailing and locking plate which achieve clinically favorable outcomes. In retrograde intramedullary nailing, a nail entry point is made in the diaphysis, for which reduction of stiffness of the humerus is of concern. Thus, we investigated the influence of a nail entry point made in the diaphysis on humeral strength. Retrograde intramedullary nailing had fixation stability against bending and a force loaded in the rotation direction comparable to those of anterograde intramedullary nail and locking plate. Displacement by the main external force loaded on the humerus, compressive load, was less than half in the bone fixed by retrograde intramedullary nailing compared with that in the bone fixed with a locking plate, showing favorable fixation stability. It was clarified that stiffness of the humerus against rotation and a load in the compression direction is not reduced by a nail entry point made by retrograde intramedullary nailing.

摘要： Background: Biplanar medial opening wedge high tibial osteotomy (MOWHTO) is a treatment method that allows adequate correction of symptomatic varus knee deformity. However, MOWHTO tends to decrease patellar height and increase the posterior tibial slope, which can affect the knee joint stability. Objective: The aim of this study was to describe the technique of biplanar MOWHTO and fixation by TomoFix plate, as well as to evaluate the accuracy of the planned correction and the postoperative tibial slope. Patients and Methods: This prospective cohort study was conducted on patients who presented with varus knee deformity and underwent biplanar MOWHTO and fixation by TomoFix plate during the period from March 2016 to March 2017. Assessment of patients included pre- and postoperative Knee and function scores, mechanical femorotibial angle (mFTA), posterior tibial slope angle (pTSA), range of motion (ROM) and radiological evaluation of the healing of the osteotomy site. Results: The recruited patients were 13 (8 men and 5 women), with average age 31.7 years old. The knee and functional scores improved from the preoperative mean of 45 and 41 to the postoperative mean of 85 and 72 points, respectively. The average knee flexion was 115 degrees, which at the final follow-up remained unchanged except for one case. The mean preoperative mFTA was 13.5°varus and decreased post-operatively to a mean of 3°valgus. The average postoperative follow-up period was 12 months (10 - 18 M). Conclusion: The biplanar MOWHTO allows preservation of posterior tibial slope while correcting the varus knee adequately.

摘要： Purpose: Acromioclavicular (AC) joint dislocation is commonly treated using a clavicle hook plate (HP). However, previous reports have indicated that acromial fractures may occur after HP fixation. The purpose of this study was to identify risk factors for acromial fractures. Methods: A retrospective study was conducted on 39 patients with AC joint dislocation who were treated using clavicle HP fixation in our hospital between 2006 and 2017. Related parameters, including Rockwood classification, hook angle, the degree of reduction, the coverage of the hook under the acromion, and the anteroposterior position of the hook under the acromion, were evaluated to identify risk factors for acromial fractures. Results: The mean age of the participants was 51.7 (range 19 - 81) years;34 were men and 5 were women. Injury occurred on the right side in 18 patients and on the left side in 21. Injuries were categorized as follows: 24 were Rockwood type III, one was type IV, and 14 were type V. Four of the 39 patients (10%) experienced acromial fractures. Statistical analyses indicated that the degree of reduction at the final follow-up was moderately correlated with the Constant score. Posterior positioning of the hook was the only identified risk factor for acromial fractures. Hook angle and the degree of reduction at the time of surgery were not significantly associated with acromial fractures. Conclusions: Postoperative shoulder function was associated with the degree of reduction at the final follow-up, suggesting that anatomical reduction is recommended for AC joint dislocation. Posterior positioning of the hook is a risk factor for acromial fractures;however, clavicle HP fixation provides a positive outcome for AC joint dislocation. Therefore, careful positioning of the hook is required for preventing acromial fractures.

摘要： Ga_2O_3 metal–oxide–semiconductor field-effect transistors(MOSFETs) with high-breakdown characteristics were fabricated on a homoepitaxial n-typed β-Ga_2O_3 film, which was grown by metal organic chemical vapor deposition(MOCVD) on an Fedoped semi-insulating(010) Ga_2O_3 substrate. The structure consisted of a 400 nm unintentionally doped(UID) Ga_2O_3 buffer layer and an 80 nm Si-doped channel layer. A high k HfO_2 gate dielectric film formed by atomic layer deposition was employed to reduce the gate leakage. Moreover, a source-connected field plate was introduced to enhance the breakdown characteristics. The drain saturation current density of the fabricated device reached 101 mA/mm at V_(gs) of 3 V. The off-state current was as low as 7.1 ×10^(-11) A/mm, and the drain current I_(ON)/I_(OFF) ratio reached 10~9. The transistors exhibited three-terminal off-state breakdown voltages of 450 and 550 V, corresponding to gate-to-drain spacing of 4 and 8 μm, respectively.

摘要： 本文分析了水泥厂存在的生产成本，探讨了碳化铬复合式耐磨钢板产品的历史以及选购碳化铬复合式耐磨钢板的标准。

摘要： 本文分析了水泥厂存在的生产成本，探讨了碳化铬复合式耐磨钢板产品的历史以及选购碳化铬复合式耐磨钢板的标准。

摘要： 本文分析了水泥厂存在的生产成本，探讨了碳化铬复合式耐磨钢板产品的历史以及选购碳化铬复合式耐磨钢板的标准。

摘要： 本文分析了水泥厂存在的生产成本，探讨了碳化铬复合式耐磨钢板产品的历史以及选购碳化铬复合式耐磨钢板的标准。

摘要： 本文分析了水泥厂存在的生产成本，探讨了碳化铬复合式耐磨钢板产品的历史以及选购碳化铬复合式耐磨钢板的标准。

摘要： 本发明提供了一种体外获得人类基底板Floor Plate(FP)细胞的方法，是通过基因修饰人胚胎干细胞系H9，在人19号染色体插入NKX2.2‑CDS区域和可诱导Tet‑on表达系统，得到NKX2.2表达水平精确依赖于外源性DOX剂量的人胚胎干细胞系H9‑iOE‑NKX2.2；在H9‑iOE‑NKX2.2基础上，使用特定神经诱导培养基培养12天，同时在前6天低水平诱导NKX2.2表达。本发明能够快速得到分泌SHH的功能性人Floor Plate细胞，分化得到的人类基底板细胞在体外研究人神经环路构成、FP细胞异常导致的多种脑发育异常疾病的治疗以及体外分化脑区细胞方法的拓展都有应用。

摘要： 本实用新型公开一种适用于Docking Plate定位模块的定位拆装装置，包括定位模块的定位台面以及需安装在定位台面上的定位板；所述的定位台面上设置有一向上的定位凸块，而所述定位板的下端面两侧均相应设置有向下伸出的定位侧板；且两个定位侧板之间的间距与定位凸块的尺寸适配。本实用新型的定位板和定位台面设置不是通过固定的定位销和定位孔安装的，而是先在定位台面设置一个定位凸块，在定位板的下端面设置两个定位侧板，定位侧板与定位凸块尺寸以及位置对应的，定位板可以在直接放在定位凸块上，实现定位板的初级定位。

摘要： 本申请公开了一种非线性q‑plate器件。该非线性q‑plate器件的制作方法包括：选取任意一种非线性晶体，在相位匹配条件下按照特定旋转对称方式切割成n份片，将n份非线性晶体按特定顺序旋转拼接，拼接完成后将各片用粘合剂粘合，最后经打磨抛光制作而成。根据每份片切割时旋转对称方式不同，可实现不同拓扑荷数(q值)的非线性q‑plate器件。本申请能够在单一器件中同步实现非线性矢量光束的产生和非线性自旋‑轨道角动量转换。实验光路简单、调节灵活、转换效率高。

摘要： 本发明创造提供了一种Docking plate吹风加热装置，包括加热枪、气路板、耐高温连接管，加热枪出气口和气路板进气口通过耐高温连接管连通，气路板出气口和docking plate顶面设置的多个腔体连通，通过气路板向docking plate各个体输送热气源。本发明创造所述的一种Docking plate吹风加热装置，静电喷除器除静电后的离子风经过加热枪加热后，通过气路板向docking plate上盛装IC的各个腔体直接输送热气源，该加热方式直接便捷，热传导快，热量损失小，实现对IC快速加热功能，生产线率较高。

摘要： 本实用新型公开了一种shutter plate装置部件溶射范围保护治具，属于溶射保护治具领域，包括盘体，所述盘体下侧外壁固定安装有固定圈，所述固定圈左右两侧内部固定安装有滑动槽，所述滑动槽内部转动安装有金属滚球，所述盘体左右两侧的固定圈中心内部固定安装有插槽，所述插槽内部活动有插杆。通过设置嵌入式转动结构、嵌入式固定结构和不锈钢材料，便于对保护治具的固定，提高了保护治具的实用性。