Tehnika最新文献_第6页

Project life cycle management in the field of pharmacy 项目生命周期管理在制药领域

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2303345s

Katarina Sićović, Dejan Petrović

{"title":"Project life cycle management in the field of pharmacy","authors":"Katarina Sićović, Dejan Petrović","doi":"10.5937/tehnika2303345s","DOIUrl":"https://doi.org/10.5937/tehnika2303345s","url":null,"abstract":"The aim of the paper is to investigate and understand the application of the project life cycle concept in the pharmaceutical field, with all its specificities and limitations. The purpose of the paper is to contribute to the understanding of the application of the project life cycle concept in pharmacy. Under the influence of various factors (expiration of patent protection, increase in total health care costs, tightening of regulatory requirements) it is practically no longer possible to manage pharma business without project management. The idea is to identify pros and cons of the current way of managing projects in this area by studying the existing literature on a given topic. The results of the research suggest that traditional project management in this area should be supplemented with other perspectives -the management of a pharmaceutical project should be reconsidered from a strategic, operational, organizational and financial point of view, that is, a broader picture of the project should be obtained. The paper should contribute to the improvement of the pharmaceutical project management process, both in industry and in healthcare. Improving the application of the concept of project management in pharmacy would bring benefits to the business of pharmaceutical organizations, but also to human health as a whole.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71133599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimal orientation of the gable roofs covered with photovoltaic panels: Case study Kragujevac 覆盖光伏板的山墙屋顶的最佳朝向:克拉古耶瓦茨案例研究

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2303319j

Davor Jovanović, A. Nešović

引用次数: 0

Examining the impact of Ground Control point quantity on the geometric accuracy of UAV photogrammetric products formed using Structure-from-Motion approach 研究地面控制点数量对采用结构-运动法形成的无人机摄影测量产品几何精度的影响

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2305535n

Ratko Nikolić, Nenad Brodić, Branko Božić

{"title":"Examining the impact of Ground Control point quantity on the geometric accuracy of UAV photogrammetric products formed using Structure-from-Motion approach","authors":"Ratko Nikolić, Nenad Brodić, Branko Božić","doi":"10.5937/tehnika2305535n","DOIUrl":"https://doi.org/10.5937/tehnika2305535n","url":null,"abstract":"The positional and vertical accuracy of UAV aerial photogrammetry products generated using the Structure from Motion (SfM) approach depends on various factors, such as flight plan parameters, camera quality, camera calibration, the SfM algorithm used, and the georeferencing process. The influence of the quantity of Ground Control Points (GCPs) on the geometric quality of generated models and the stability of camera calibration parameters assessed through self-calibration in the block-aerotriangulation process was investigated in this study. Three software systems were used to process the collected UAV photogrammetry images: Pix4D Mapper, Agisoft Metashape, and Trimble Inpho UASMaster. Standard statistical quality assessments were employed to assess the accuracy of the block-aerotriangulation. The research findings indicate that augmenting the quantity of GCPs enhances model reliability and decreases the RMSE values of vertical deviation on the control points. The RMSE values of vertical deviation on the check points for all three used software systems converged to approximately twice the value of the average spatial resolution. Additionally, the RMSE values of positional deviation on check points converged to the value of the average spatial resolution.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"2019 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135612073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analysis of accidents and serious incidents in aviation using Microsoft Power BI tools 使用Microsoft Power BI工具分析航空事故和严重事件

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2305577s

Anja Stamenić, Lidija Tomić, Olja Čokorilo

引用次数: 0

Determination of the satellite signals time delay caused by the ionospheric influence during the year 2022 确定2022年期间电离层影响造成的卫星信号时间延迟

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2301021p

Dušan Petković, L. Brajović, V. Vasilić, Stanislava Bosiočić

{"title":"Determination of the satellite signals time delay caused by the ionospheric influence during the year 2022","authors":"Dušan Petković, L. Brajović, V. Vasilić, Stanislava Bosiočić","doi":"10.5937/tehnika2301021p","DOIUrl":"https://doi.org/10.5937/tehnika2301021p","url":null,"abstract":"Multi-frequency GNSS satellite signals and their availability enable research in undifferentiated and uncombined models in which a single signal at each frequency is a corresponding independent observation. Such possibilities are reflected by the significant interest in geodetic research as well as in many areas of application of GNSS observation. On the geometric path of the signal between the satellite and the receiver, a significant source of GNSS measurement errors comes from the medium of propagation of electromagnetic waves. Errors attributed to signal propagation are ionospheric and tropospheric signal delay. The mentioned error sources significantly affect the quality of certain pseudorange and, thus, the quality of the receiver's position in the form of three-dimensional coordinates. This paper presents the analysis and determination of the ionospheric delay of GNSS satellite signals based on the determination of Total Electron Content - TEC at five stations (Beograd, Leskovac, Sombor, Zaječar, and Kraljevo) in the territory of the Republic of Serbia. In order to determine TEC values, the software called \"GPS-TEC analysis\" developed within the Institute for Scientific Research, Boston College, USA was used, which enables the determination of the TEC value on the path between the satellite and the receiver. The data collection was carried out within the year 2022 so that the measurement sessions include characteristic dates when the most significant fluctuations are expected in the context of seasonal variations.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71132555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Defining daily capacities for the purpose of road planning in the Republic of Serbia 确定塞尔维亚共和国道路规划的每日通行能力

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2301062t

Milica Tubić, N. Stepanovic

{"title":"Defining daily capacities for the purpose of road planning in the Republic of Serbia","authors":"Milica Tubić, N. Stepanovic","doi":"10.5937/tehnika2301062t","DOIUrl":"https://doi.org/10.5937/tehnika2301062t","url":null,"abstract":"In every edition of the Highway Capacity Manual (HCM) until 2016, three levels of capacity analysis were defined: operational, project and planning analysis. The level of detail of each analysis is a function of purpose, breadth of access and available information. Planning analysis determines capacity in the earliest stages of planning, when small amount of data and information is available. The planning procedure is based on the AADT forecast and macro traffic simulation. Often, the usage of simulation models can lead to errors, and for these reasons, when analyzing traffic demands, it is necessary to carry out a check when more informations are available. Planning analyzes from the HCM manual are generally focused on broad issues such as initial problem identification, road design concept, and when alternatives are compared. These analyzes are suitable for evaluating proposed system measures, such as heavy vehicle lane usage control, highway ramp metering, and other applications of intelligent transportation systems. The methodology recommended in HCM implies the use of default input values, i.e. table of generalized values. Given that the recommended capacity values are based on typical road profiles and traffic flow characteristics in the USA, the paper provides a detailed capacity analysis at the planning level for local conditions - four standard geometric two-lane and highway profiles. Capacities are calculated for different values of design hourly volume, design speed, peak hour factor, commercial vehicle impact and terrain type, in order to compare with the generalized capacity tables from HCM2010. The comparative analysis indicates differences in the calculated capacity values, and for that reason the obtained values are recommended for use in model simulations for local conditions in the Republic of Serbia.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71132902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The effect of the refractory material on the phase transformation parameteres during forming of the Al-8wt%Si-3wt%Cu structure 研究了耐火材料对Al-8wt%Si-3wt%Cu组织形成过程中相变参数的影响

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2301009m

A. Mitrašinović, Jasmina Nešković, N. Labus, M. Radosavljević

{"title":"The effect of the refractory material on the phase transformation parameteres during forming of the Al-8wt%Si-3wt%Cu structure","authors":"A. Mitrašinović, Jasmina Nešković, N. Labus, M. Radosavljević","doi":"10.5937/tehnika2301009m","DOIUrl":"https://doi.org/10.5937/tehnika2301009m","url":null,"abstract":"Solidification of the aluminum alloys takes place in heat-resistant refractory materials made of either metal or oxides that are stable at high temperatures. The significantly different thermal conductivities between metals and heat-resistant oxides cause solidification with significantly different cooling rates. In this work, we formed a secondary Al-8wt%Si-3wt%Cu alloy in a stainless steel mould, a thin-walled stainless steel cup, and a thick-walled zirconium oxide cup. The course of the formation of the solidified structure was monitored by immersed thermocouples, which enabled the computer analysis of the cooling curves. The parameters on which the cooling rate had the most significant influence are the undercooling values of the formation of primary aluminum crystals, the time of the growth of primary aluminum crystals and the total solidification time from the formation of the first solid crystals to the formation of a fully solidified structure. The Al-8wt%Si-3wt%Cu aluminum alloy formed in metal mould has a smaller grain size and consequently higher tensile strength, lower macro-porosity and less rough surface than the alloy formed in refractory oxide coatings. The examined heat-resistant refractory material influenced the formation of three basic micro-constituents in the Al-8wt%Si-3wt%Cu alloy in different time intervals, which led to the formation of a different microstructure, where the decision on the choice of material for the heat-resistant refractory material depends on the profitability of the entire process, the required quality of the external surfaces and required minimum strength of the final product.","PeriodicalId":22484,"journal":{"name":"Tehnika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71132929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of culture on strategic leadership in international developent projects 文化对国际发展项目战略领导力的影响

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2301089l

Miloš Luli, Valentina Kaličanin

引用次数: 0

Sustainable city logistics concepts: Elements and conceptualization 可持续城市物流概念:要素与概念化

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2302197k

M. Kováč, Snežana Tadić, Mladen Krstić

引用次数: 1

Failure prediction of repaired composite structures in aviation 航空复合材料修复结构失效预测

Tehnika Pub Date : 2023-01-01 DOI: 10.5937/tehnika2303307d

Mirko Dinulović, B. Rašuo

引用次数: 0