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Kemija u Industriji-Journal of Chemists and Chemical Engineers最新文献

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Application of Diamondoids as Maturity Indicators for Condensate from Drava Depression, Croatia 金刚石类化合物作为克罗地亚德拉瓦凹陷凝析油成熟度指标的应用
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2022.030
S. Marinović, Mirna Biondić
{"title":"Application of Diamondoids as Maturity Indicators for Condensate from Drava Depression, Croatia","authors":"S. Marinović, Mirna Biondić","doi":"10.15255/kui.2022.030","DOIUrl":"https://doi.org/10.15255/kui.2022.030","url":null,"abstract":",","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44100172","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
50. godišnjica osnutka baze struktura bioloških makromolekula 生物大分子结构基础50周年
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2022.029
Goran Šinko
{"title":"50. godišnjica osnutka baze struktura bioloških makromolekula","authors":"Goran Šinko","doi":"10.15255/kui.2022.029","DOIUrl":"https://doi.org/10.15255/kui.2022.029","url":null,"abstract":"Databases are important because of the unified presentation of information according to a specific subject. Publicly available databases have additional value due to easier access to knowledge and information. The article describes the database of protein structures, Protein Data Bank – PDB, its establishment, humble beginnings","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46213808","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
Značajke masovne proizvodnje sirovog čelika u Republici Hrvatskoj od 1954. do 2020. godine 自1954年以来，克罗地亚共和国大量生产原钢。直到2020年。年
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2022.031
M. Gojić, S. Kožuh, Ivana Ivanić, Milan Bakić
{"title":"Značajke masovne proizvodnje sirovog čelika u Republici Hrvatskoj od 1954. do 2020. godine","authors":"M. Gojić, S. Kožuh, Ivana Ivanić, Milan Bakić","doi":"10.15255/kui.2022.031","DOIUrl":"https://doi.org/10.15255/kui.2022.031","url":null,"abstract":"This work presents a brief review of mass crude steel production technology in the 1954–2020 pe - riod, with an accent on steel production in the Republic of Croatia in the 1992–2020 period. Steel producers in Croatia were Ironworks in Sisak and Split. Steel was produced using Siemens-Martin (Sisak) and electric arc furnaces (Sisak and Split). Today, steel is produced only by ABS Sisak Ltd., using contemporary electric arc furnaces including steelmaking processes (ladle-furnace and vac - uum degasser). Due to the devastation of the working capacities of Sisak Ironworks (before 2012), and shutdown of steel production at Split Ironworks, today Croatia has no possibility of process - ing its own steel by plastic deformation processes into semi-finished products and/or finished products. In Croatia, during the 1954–2020 period, about 9.3 Mt of crude steels were produced (carbon and low alloyed steels). Also shown is the role of higher education and scientific-research work in steelmaking in the Republic of Croatia.","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44633681","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
Accumulation of Heavy Metals in Soils Irrigated by Treated Wastewater: A Case Study from the Northwest of the Haut Chelif Plain, Algeria 处理后的废水灌溉土壤中重金属的积累——以阿尔及利亚上切利夫平原西北部为例
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2022.040
Yacine Rata, A. Douaoui, A. Douaik, M. Rata
{"title":"Accumulation of Heavy Metals in Soils Irrigated by Treated Wastewater: A Case Study from the Northwest of the Haut Chelif Plain, Algeria","authors":"Yacine Rata, A. Douaoui, A. Douaik, M. Rata","doi":"10.15255/kui.2022.040","DOIUrl":"https://doi.org/10.15255/kui.2022.040","url":null,"abstract":"Long-term irrigation by treated wastewater (TWW) can lead to the accumulation of heavy metals (HM) in the soil inducing negative effects on the pedo-environment. In this study, plots irrigated with TWW were studied to estimate the accumulation trends of HM and their impact on the physicochemical properties of the soil over a period of four years under a gravity irri- gation system on turf with no fertiliser input. Soil samples were taken at two depths (0 to 20 cm: H1 and 20 to 40 cm: H2). The results of this study show that TWW are a main source of increase in HM in the soil by well-identified conditions, the degradation of the environment in general and on the physicochemical quality of soils in particular. It was concluded that the use of TWW in long-term irrigation enriches the soils with heavy metals, by main factors such as TWW composition","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43757199","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
Nitrogen Removal with Aerobic Granules – Effect of Dissolved Oxygen and Carbon/Nitrogen Ratio 好氧颗粒脱氮-溶解氧和碳氮比的影响
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2022.034
Mirjana Galant, Dijana Grgas, Tea Štefanac, M. Habuda-Stanić, T. Landeka Dragičević
{"title":"Nitrogen Removal with Aerobic Granules – Effect of Dissolved Oxygen and Carbon/Nitrogen Ratio","authors":"Mirjana Galant, Dijana Grgas, Tea Štefanac, M. Habuda-Stanić, T. Landeka Dragičević","doi":"10.15255/kui.2022.034","DOIUrl":"https://doi.org/10.15255/kui.2022.034","url":null,"abstract":"Nitrogen removal efficiency related to the dissolved oxygen (DO) concentration (DO 1–7 mg l −1 ), carbon/nitrogen ratio (COD/N 1–14), and the effect of airflow (0.4–2.9 l min −1 ) related to the granule size were investigated. The average chemical oxygen demand (COD) removal of ≥ 90 % was achieved at COD/N ≥ 11, but the satisfactory N values in effluent for discharge into the surface waters were almost achieved at COD/N 14. DO of 2 mg l −1 is recommended for efficient removal of N and COD with mature granules. The size (diameter) of the granules decreases with increased airflow","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43968882","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
Farmaceutski značaj procesa stereoizomerizacije 立体异构化过程的药学意义
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2022.027
Lucija Hok, Davorin Šakić, Valerije Vrček, Robert Vianello
{"title":"Farmaceutski značaj procesa stereoizomerizacije","authors":"Lucija Hok, Davorin Šakić, Valerije Vrček, Robert Vianello","doi":"10.15255/kui.2022.027","DOIUrl":"https://doi.org/10.15255/kui.2022.027","url":null,"abstract":"Investigation of the stereoisomerisation process is of the utmost importance in pharmaceutical chemistry and biomedicine. Different isomers can exhibit significant differences when interacting with biological macromolecules, which may result in their modified pharmacokinetic and phar - macodynamic properties, thereby showing different therapeutic and undesirable effects. Although there are numerous examples illustrating the importance of stereochemistry, this article presents an overview of the most significant and representative cases in pharmacy.","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46608214","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
Metode dobivanja i parametri procjene kakvoće eteričnog ulja, hidrolata i macerata smilja 笑的乙醚、水解物和浸渍物的获取方法和评估参数
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2022.025
Barbara Bilandžija, Lucija Bilandžija, Lea Pollak, Suzana Inić
{"title":"Metode dobivanja i parametri procjene kakvoće eteričnog ulja, hidrolata i macerata smilja","authors":"Barbara Bilandžija, Lucija Bilandžija, Lea Pollak, Suzana Inić","doi":"10.15255/kui.2022.025","DOIUrl":"https://doi.org/10.15255/kui.2022.025","url":null,"abstract":", and essential oil content has already been used as a standard for determining the quality of officinal essential oils in European Pharmacopoeia. The introduction of standardised procedures for testing the quality and purity of immortelle essential oil, hydrolate, and macerate would help better analytical control of these preparations on the market.","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46507159","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
Biopolimeri hitin i hitozan – svojstva i priprava 应急和应急生物聚合物-特性和制备
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2022.039
Dino Skendrović, Lucija Terihaj, Tonči Rezić, Ana Vrsalović Presečki
{"title":"Biopolimeri hitin i hitozan – svojstva i priprava","authors":"Dino Skendrović, Lucija Terihaj, Tonči Rezić, Ana Vrsalović Presečki","doi":"10.15255/kui.2022.039","DOIUrl":"https://doi.org/10.15255/kui.2022.039","url":null,"abstract":".","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47230573","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
Renesansa elektroda s ugljikovom pastom; njihove modifikacije i primjene u potenciometrijskim određivanjima farmaceutika 碳糊电极的Renissance；它们对潜在药物测定的修饰和给药
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2022.038
Josip Radić, Marija Bralić, Mitja Kolar
{"title":"Renesansa elektroda s ugljikovom pastom; njihove modifikacije i primjene u potenciometrijskim određivanjima farmaceutika","authors":"Josip Radić, Marija Bralić, Mitja Kolar","doi":"10.15255/kui.2022.038","DOIUrl":"https://doi.org/10.15255/kui.2022.038","url":null,"abstract":"CPEs for the quantitative determination of active pharmaceutical ingredients and their application in real samples.","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45840570","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
Modelling and Multi-response Optimisation of Leachate Treatment by Electrocoagulation using Full Central Composite Design 基于全中心复合设计的电凝渗滤液处理建模及多响应优化
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Kemija u Industriji-Journal of Chemists and Chemical Engineers Pub Date : 2023-01-16 DOI: 10.15255/kui.2021.085
Ridha Lessoued, Ahmet Azizi, M. Lati, T. Ahmed Zaid
{"title":"Modelling and Multi-response Optimisation of Leachate Treatment by Electrocoagulation using Full Central Composite Design","authors":"Ridha Lessoued, Ahmet Azizi, M. Lati, T. Ahmed Zaid","doi":"10.15255/kui.2021.085","DOIUrl":"https://doi.org/10.15255/kui.2021.085","url":null,"abstract":"Electrocoagulation has lately received much interest as an effective method for the treatment of landfill leachate because of its ease of use, low cost, and environmental friendliness. The present study aimed to investigate the reduction of chemical organic demand (COD), biological organic demand (BOD 5 ), and turbidity from leachate by electrocoagulation process using alumin - ium electrodes. In order to achieve the maximum removal of pollutants, highlight the key effects of the variables and their simultaneous relationships, full central composite design was applied. Moreover, the backward model selection method using Bayesian Information Criterion and Akaike Information Criterion was carried out to determine the most suitable model with relevant effects. The optimum conditions indicated by the estimated quadratic models were initial pH (5.04), current density (407 A m −2 ), reaction time (74.6 min), and stirring speed (150 rpm), adjusted R 2 of 99.82 %, 99.93 %, and 99.95 % for COD, BOD 5 , and turbidity, respectively. Electrocoagulation was also successful in achieving 90 % COD, 92.3 % BOD 5 , and 99.6 % turbidity removal efficiency. The findings indicated a satisfactory agreement between model forecasts and experimental values.","PeriodicalId":43849,"journal":{"name":"Kemija u Industriji-Journal of Chemists and Chemical Engineers","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43196558","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
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