通过后路内固定融合术治疗脊柱胸腰段骨折的效果略析

目的探讨通过后路内固定融合术治疗脊柱胸腰段骨折的临床疗效。方法收集100例脊柱胸腰段骨折患者,分为观察组和对照组,每组患者50例。对照组患者使用后路内固定非植骨融合治疗,观察组患者使用后路内固定融合术治疗。结果观察组患者在治疗后的治疗效果明显优于对照组患者,差异为显著性差异,(P<0.05)差异有统计学意义。结论对于脊柱胸腰断骨折患者实施治疗的过程中使用后路内固定融合术可以取得更好的治疗效果。

略析新型建筑防火材料的应用

随着建筑事业的发展,传统的建筑防火材料已难以满足时代发展的需要。当前建筑施工企业面临的主要问题,就是如何在建筑施工中提高建筑的防火性能。本文主要就新型建筑防火材料在建筑施工中的应用进行了探究。

现代舞教学中气息的“收放”略析

现代舞气息中的"收放",指的是舞蹈艺术气息中的"收缩"和"放松"技巧。一个现代的舞者,必不可缺是健全灵巧的四肢、流畅自如的呼吸以及与生俱来对舞蹈的热情。灵活地运用我们天赋的呼吸,能够更好的带动肢体内部气息的运作,从而付诸展示在舞蹈的灵魂中。本文从现代舞气息的角度出发,对于"收放"技巧进行全面的分析,旨在更好的开展现代舞舞蹈的教育教学。

村镇筑路控制二灰砾石复合料基层质量的技术要点析略

二灰砾石复合料的组分材料质量控制、搅拌及运输质量控制、铺摊及压碾质量控制。参考了案例区域村镇公路基层质量控制基本要求,以适合经济欠发达村镇公路基层质量控制的基本适用标准,对村镇筑路控制二灰砾石复合料基层质量的技术要点开展专题分析探究。

美国《教师专业化基准大纲》的解读与启示

美国《教师专业化基准大纲》是"全美教师专业基准委员会"制定的用于考察检验教师专业化基准的著名文件。它在专业职责、专业品质、专业能力等方面对教师的专业化基准提出了明确要求。认识解读此文件的学术精神与专业标准,对于推进我国教师专业化进程有着借鉴意义与启发价值。

Tropical Leisure Agro-tourism in the Context of Constructing International Tourism Island in Hainan

The construction of Hainan International Tourism Island creates a promising prospect for the development of its tropical leisure agro-tourism, and the latter will contribute a lot to the former in the fields of economy, ecology and culture. The present situation and development prospects of tropical leisure agro-tourism in the context of constructing International Tourism Island in Hainan are introduced in this study, SWOT analysis of tropical leisure agro-tourism in Hainan is conducted, causes of imperfect tropical leisure agro-tourism in Hainan Island are elaborated such as insufficient understanding and investment, fragile infrastructure and lack of overall tourism planning despite its abundant tropical agricultural resources, marine resources, forest resources and ecological resources as well as convenient transportation. Combining with the opportunities and challenges in developing tourism industry, targeted strategies are proposed for promoting the tropical leisure agro-tourism, that is, enhancing understanding about leisure agro-tourism; determining the target and orientation of tourism planning through basic classification, properly defining functional divisions and spatial layout; improving relevant laws and regulations about tourism industry; attaching more importance in attracting alien investment; fully developing the tropical, marine, green and ecological features of tropical leisure agro-tourism in Hainan Island; cultivating resources, scenic spots and products of different types respectively in tourism development, especially culturing typical products; protecting ecological environment, implementing sustainable development of tourism industry; making innovations in marketing, accurately subdividing tourism market.

From Xu to the Development of L2 Interactional Competence: A Conversation Analytic Case Study

Dialogues are fundamentally driven by xu(C. Wang, 2016, 2017), a Chinese word meaning continuation that captures the process in which interlocutors participate in interaction through the actions of(utterance) completion,(content) extension, and(topic) creation(CEC). This article reports a conversation analytic case study designed to investigate how the continuation strategies of CEC are used in real-time communication to achieve mutual understanding, and thus to construct intersubjectivity(Verhagen, 2005) and promote the development of second language(L2)interactional competence. Our data consisted of audio and video recordings of a 25-minute conversation between two L2 English speakers, one expert and one novice, and a stimulated recall interview with them. Results revealed that the expert employed CEC at the early stage of interaction to maintain successful communication, and the novice gradually aligned with the expert and used CEC to achieve mutual understanding, construct intersubjectivity, and create opportunities for interaction and learning at the late stage, displaying her development of L2 interactional competence. Our findings have useful implications for theoretical and methodological development of the xu-argument studies as well as for xu-based L2 pedagogy.

Evaluation of the Strategic Tolerance Human Resource Management Based on Matter-Element Analysis Method

The main features and connotation of the tolerance human resource management based on strategy are analyzed and summarized. The theory and method of systematic engineering is used to build the evaluation index systems for the tolerance human resource management. On the basis of it, by using the theory of matter-element analysis, the matter-element models are formulated for the evaluation of the tolerance human resource management. Regarding annual tolerance human resource management as the object of matter-dement, the tolerance human resource ：management for two years are analyzed and evaluated through using the matter. element models proposed. A ease study is carried out and the satisfactory results are obtained. A new scientific methed is provided for the evaluation of human resource management based on strategy.

SWOT Analysis and Development Strategy of Tobacco Production in Chenzhou City

The research analyzed advantages, disadvantages, opportunities and threats of tobacco production in Chenzhou and proposed a middIe and Iong-term objective for tobacco production, as weI as protection measures, providing refer-ences for transformation, innovation and spanning deveIopment.

From blood to breath: New horizons for esophageal cancer biomarkers

Esophageal cancer is a lethal cancer encompassing adenocarcinoma and squamous cell carcinoma subtypes. The global incidence of esophageal cancer is increasing world-wide, associated with the increased prevalence of associated risk factors. The asymptomatic nature of disease often leads to late diagnosis and five-year survival rates of less than 15%. Current diagnostic tools are restricted to invasive and costly endoscopy and biopsy for histopathology. Minimally and non-invasive biomarkers of esophageal cancer are needed to facilitate earlier detection and better clinical management of patients. This paper summarises recent insights into the development and clinical validation of esophageal cancer biomarkers, focussing on circulating markers in the blood, and the emerging area of breath and odorant biomarkers.

Different techniques for harvesting grafts for living donor liver transplantation: A systematic review and meta-analysis

AIM To perform a systematic review and meta-analysis on minimally vs conventional invasive techniques for harvesting grafts for living donor liver transplantation. METHODS PubMed, Web of Science, EMBASE, and the Cochrane Library were searched comprehensively for studies comparing MILDH with conventional living donor hepatectomy (CLDH). Intraoperative and postoperative outcomes (operative time, estimated blood loss, postoperative liver function, length of hospital stay, analgesia use, complications, and survival rate) were analyzed in donors and recipients. Articles were included if they: (1) compared the outcomes of MILDH and CLDH; and (2) reported at least some of the above outcomes. RESULTS Of 937 articles identified, 13, containing 1592 patients, met our inclusion criteria and were included in the meta-analysis. For donors, operative time [weighted mean difference (WMD) = 20.68, 95% CI: -6.25-47.60, p = 0.13] and blood loss (WMD = -32.61, 95% CI: -80.44-5.21, p = 0.18) were comparable in the two groups. In contrast, analgesia use (WMD = -7.79, 95% CI: -14.06-1.87, p = 0.01), postoperative complications [odds ratio (OR) = 0.62, 95% CI: 0.44-0.89, p = 0.009], and length of hospital stay (WMD): -1.25, 95% CI: -2.35-0.14, p = 0.03) significantly favored MILDH. No differences were observed in recipient outcomes, including postoperative complications (OR = 0.93, 95% CI: 0.66-1.31, p = 0.68) and survival rate (hr = 0.96, 95% CI: 0.27-3.47, p = 0.95). Funnel plot and statistical methods showed a low probability of publication bias. CONCLUSION MILDH is safe, effective, and feasible for living donor liver resection with fewer donor postoperative complications, reduced length of hospital stay and analgesia requirement than CLDH.

Strategic Analysis of High-tech Auctions

This paper deals with the security voting structure in an auction mechanism used to sell an item Of high-tech. The design of security voting structure allows the seller to choose between two objectives that are not mutually consistent. However, if the seller wants to maximize his revenue, he should retain some shares to benefit from the future dividends generated by the acquirer. In addition, if he wants to sell his high-tech to the most efficient candidate, he should sell all the shares.

Empirical Analysis on Influence Mechanism of Cohesiveness and Collective Efficacy of Virtual Community Based on Triadic Reciprocal Determinism

The virtual community has become a new life style as for human,but the public's acceptance is relatively low at present.So the research about the mechanism of the influence on the cohesiveness and the collective efficiency in virtual community has an important theoretical value and practical value.In the paper,the key variables that affect virtual community cohesiveness are extracted from two aspects—self-perception of community members and community environment,and the influence mechanism model of virtual community cohesiveness and community collective efficiency is established based on Triadic Reciprocal Determinism.By means of the questionnaire on the community members and the empirical analysis,the key factors influencing cohesiveness of virtual community are brought up,as well as the mechanism that the four dimensions of cohesiveness work,on collective efficiency.According to the results,it is practically meaningful that the problems and insufficiency in the operation of existing virtual community are discovered,which guides the operating managers of the virtual community to formulate operation policy of the virtual community for operating managers to develop strategies.

Optimal control of pricing strategy for diffusion model

This study presents a conceptual framework based on the new product diffusion and demand theory models. The proposed framework was creating a probability of demand function. Considering effectiveness of demand function transmitted by adopters, the optimal control policies of pricing are conducted according to the optimal control theorv.

Strategies on improving the electrocatalytic hydrogen evolution performances of metal phosphides

Among the sustainable energy sources,hydrogen is the one most promising for alleviating the pollution issues related to the usage of conventional fuels,as it can be produced in an efficient and eco-friendly way via electrocatalytic water splitting.The hydrogen evolution reaction(HER,a half-reaction of water splitting)plays a pivotal role in decreasing the price and increasing the catalytic efficiency of hydrogen production and is efficiently promoted by metal phosphides in different electrolytes.Herein,we summarize the recent advances in the development of metal phosphides as HER electrocatalysts,focus on their synthesis(post-treatment,in situ generation,and electrodeposition methods)and the enhancement of their electrocatalytic activity(via elemental doping,interface and vacancy engineering,construction of specific supports and nanostructures,and the design of bior polymetallic phosphides),and highlight the crucial issues and challenges of future development.

＂Mistake＂ And ＂Error＂

This paper discussed a method to judge and to reject the mistake and error of the monitoring strategies for English teaching and learning, and alsopresented a classification of mistake and error according to the following factors： the definition and analysisofmistake and error.With the development of theanalysis theories, more attention has been paid to the characteristic and the principle of mistake and error in the second language teaching and learning. By analyzing the differences between mistake and error, the teachers and learners can get clear of the study of English and improve the ability of using English.

On earnings management countermeasures of listing companies in China

This paper overviews earnings management incentive of listed companies, cost in transactions with stockholders and major in researching some countermeasures how management.

A NOVEL SVM ENSEMBLE APPROACH USING CLUSTERING ANALYSIS

A novel Support Vector Machine(SVM) ensemble approach using clustering analysis is proposed. Firstly,the positive and negative training examples are clustered through subtractive clus-tering algorithm respectively. Then some representative examples are chosen from each of them to construct SVM components. At last,the outputs of the individual classifiers are fused through ma-jority voting method to obtain the final decision. Comparisons of performance between the proposed method and other popular ensemble approaches,such as Bagging,Adaboost and k.-fold cross valida-tion,are carried out on synthetic and UCI datasets. The experimental results show that our method has higher classification accuracy since the example distribution information is considered during en-semble through clustering analysis. It further indicates that our method needs a much smaller size of training subsets than Bagging and Adaboost to obtain satisfactory classification accuracy.

Nephroprevention in the oldest old with chronic kidney disease:Special considerations

Nephroprevention strategies are crucial for handling chronic kidney disease(CKD) complications, and slowing its progression. However, these preventative measures should be guided by major geriatrics principles in order to help nephrologists to adequately handle the oldest old with CKD. These geriatric concepts consist of taking into account the relevance of choosing an individualized therapy, handling clinical frailty, and keeping a geriatric perspective which means that a good quality of life is sometimes a more important therapeutic objective inoctogenarians than merely prolonging life. Even though nephroprevention strategies for treating the oldest old with CKD are basically similar to those applied to younger patients such as low sodium and protein diet, optimized hemoglobin levels, blood pressure and metabolic control, the treating physician or care provider must at all times be ready to make fundamental adjustments and tweak patient care paradigms and objectives if and when the initial therapeutic options applied have caused unintended clinical consequences and complications. Additionally, the sarcopenia status should also be evaluated and treated in very old CKD patients.

Improved Quantum ＂ Ping-Pong＂ Protocol Based on Extended Three-Particle GHZ State

In order to transmit secure messages, a quantum secure direct communication protocol based on extended three-particle GHZ state was presented, in which the extended three-particle GHZ state was used to detect eavesdroppers. In the security analysis, the method of the entropy theory is introduced, and three detection strategies are compared quantitatively by using the constraint between the information eavesdroppers can obtain and the interference introduced. If the eavesdroppers intend to obtain all inforrmtion, the detection rate of the original ＂Ping-pong＂ protocol is 50% ; the second protocol used two particles of EPR pair as detection particles is also 50%; while the presented protocol is 58%. At last, the security of the proposed protocol is discussed. The analysis results indicate that the protocol in this paper is more secure than the other two.