Open Access Journal最新文献_第4页

Aristotle on Divine and Human Contemplation 亚里士多德论神与人的沉思

Open Access Journal Pub Date : 2020-01-21 DOI: 10.3998/ergo.12405314.0007.004

B. Reece

引用次数: 3

Aristotle on the Purity of Forms in Metaphysics Z.10–11 亚里士多德论《形而上学》中形式的纯洁性Z.10-11

Open Access Journal Pub Date : 2020-01-21 DOI: 10.3998/ergo.12405314.0007.001

Sam Meister

{"title":"Aristotle on the Purity of Forms in Metaphysics Z.10–11","authors":"Sam Meister","doi":"10.3998/ergo.12405314.0007.001","DOIUrl":"https://doi.org/10.3998/ergo.12405314.0007.001","url":null,"abstract":"Aristotle analyses a large range of objects as composites of matter and form. But how exactly should we understand the relation between the matter and form of a composite? Some commentators have argued that forms themselves are somehow material, that is, forms are impure. Others have denied that claim and argued for the purity of forms. In this paper, I develop a new purist interpretation of Metaphysics Z.10– 11, a text central to the debate, which I call ‘hierarchical purism’. I argue that hierarchical purism can overcome the difficulties faced by previous versions of purism as well as by impurism. Roughly, on hierarchical purism, each composite can be considered and defined in two different ways: From the perspective of metaphysics, composites are considered only insofar as they have forms and defined purely formally. From the perspective of physics, composites are considered insofar as they have forms and matter and defined with reference to both. Moreover, while the metaphysical definition is a definition in the strict sense of ‘definition’, the physical definition is a definition in a loose sense. Analogous points hold for intelligible composites and geometry. Finally, neither sort of definitional practice implies that, for Aristotle, forms are impure.","PeriodicalId":19494,"journal":{"name":"Open Access Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79139862","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: 3

Teleneurology Applicability In 2020: Consequences of Remote Neurology Consult 2020年远程神经病学的适用性:远程神经病学咨询的后果

Open Access Journal Pub Date : 2020-01-21 DOI: 10.19080/oajnn.2020.12.555844

C. Gaeta

引用次数: 0

A Review on the Application and Benefits of Probiotics Supplements in Fish Culture 益生菌补充剂在鱼类养殖中的应用及效益综述

Open Access Journal Pub Date : 2020-01-17 DOI: 10.19080/ofoaj.2020.11.555817

E. Oscar

引用次数: 1

Extraction of Rare Earth Elements from Phospho-Gypsum: Concentrate Digestion, Leaching, and Purification 磷石膏中稀土元素的提取:精矿消化、浸出和提纯

Open Access Journal Pub Date : 2020-01-15 DOI: 10.3390/met10010131

L. Brückner, T. Elwert, T. Schirmer

{"title":"Extraction of Rare Earth Elements from Phospho-Gypsum: Concentrate Digestion, Leaching, and Purification","authors":"L. Brückner, T. Elwert, T. Schirmer","doi":"10.3390/met10010131","DOIUrl":"https://doi.org/10.3390/met10010131","url":null,"abstract":"Rare earth-bearing gypsum tailings from the fertilizer industry are a potential source for an economically viable and sustainable production of rare earth elements. Large quantities are generated inter alia in Catalao, Brazil, as a by-product in a fertilizer production plant. Hitherto, the gypsum has been used as soil conditioner in agriculture or was dumped. The cooperative project, “Catalao Monazite: Economical exploitation of rare earth elements from monazite-bearing secondary raw materials,” intends to extract rare earth elements from these gypsum tailings. In this paper, a chemical process route to obtain a mixed rare earth carbonate from a monazite concentrate, was investigated. The results of the digestion, leaching, and precipitation experiments are presented and discussed herein. This includes reagent choice, process parameter optimization through experimental design, mineralogical characterization of the feed material and residues, purification of the leach solution, and precipitation of the rare earth as carbonates. The results showed that a rare earth extraction of about 90% without the mobilization of key impurities is possible during a sulfuric acid digestion with two heating stages and subsequent leaching with water. In the following purification step, the remaining impurities were precipitated with ammonium solution and the rare earth elements were successfully recovered as carbonates with a mixture of ammonium solution and ammonium bicarbonate.","PeriodicalId":19494,"journal":{"name":"Open Access Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80950244","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: 25

The Ecology of Ocypode Rotundata (Miers, 1882) in Qeshm Island Persian Gulf 波斯湾Qeshm岛圆尾足的生态学(Miers, 1882)

Open Access Journal Pub Date : 2020-01-09 DOI: 10.19080/ofoaj.2020.11.555816

M. Naderi

引用次数: 0

Potential Use of Zooplankton as Ecological Quality Indicator According to Water Framework Directive (WFD) in Central Brazilian Reservoir 根据水框架指令(WFD)，巴西中部水库浮游动物作为生态质量指标的潜在用途

Open Access Journal Pub Date : 2020-01-06 DOI: 10.19080/ofoaj.2020.11.555814

C. Padovesi-Fonseca

引用次数: 3

Where are the Adults? First Results of a Study on C. Mydas Foraging in New Caledonia 大人在哪里?标题新喀里多尼亚地区麦达斯采食研究的初步结果

Open Access Journal Pub Date : 2020-01-06 DOI: 10.19080/ofoaj.2020.11.555815

Tyffen C. Read

引用次数: 0

Veterinary Telemedicine during the pandemic SARS-CoV-2 SARS-CoV-2大流行期间的兽医远程医疗

Open Access Journal Pub Date : 2020-01-01 DOI: 10.23880/OAJVSR-16000206

Abelardo Morales-Briceño

引用次数: 0

Study on Bovine Mastitis under Different Management in Pastoral and Agro-Pastoral Areas of Borana Zone, Southern Ethiopia 埃塞俄比亚南部博拉纳区牧区和农牧区不同管理下牛乳腺炎的研究

Open Access Journal Pub Date : 2020-01-01 DOI: 10.23880/OAJVSR-16000192

A. Kumbe

{"title":"Study on Bovine Mastitis under Different Management in Pastoral and Agro-Pastoral Areas of Borana Zone, Southern Ethiopia","authors":"A. Kumbe","doi":"10.23880/OAJVSR-16000192","DOIUrl":"https://doi.org/10.23880/OAJVSR-16000192","url":null,"abstract":"A cross-sectional study was conducted to determine the prevalence of bovine mastitis, associated potential risk factors and major etiological agents of clinical and sub clinical mastitis under different management condition of pastoral, agro-pastoral, ranch and farm by using California mastitis test and bacteriology. A total of 384 lactating Borana cows in Did-tuyura ranch, Yabello Pastoral and dryland agriculture research center (YPDARC) dairy farm and three districts namely Gomole, Moyale and Yabello of Borana zone were included in the study. The study revealed that overall prevalence of mastitis were 47.4 % (182/384); out of which 12 % (46/384) clinical and 35.4 % (136/384) sub-clinical mastitis whereas prevalence at quarter level was 21.48% (330/1536) of which 3% (46/1536) and 18.48% (284/1536) were clinical and sub-clinical form respectively. From the total examined quarter, 3.5% (53) of quarters had blind quarter. Prevalence in pastoral and agro-pastoral herding system (extensive management system) at cow level and quarter level were 18.9% and 10.9% respectively while prevalence in Did-tuyura ranch and YPDARC dairy farm herding system (semi-intensive) were 20% and 7% at cow level and quarter level respectively. The prevalence of mastitis significantly (P<0.05) differed with parity, stage of lactation and body condition of lactating animals. From 330 California Mastitis Test (CMT) and clinically positive milk samples there was growth of bacteria on culture media observed only in 155 (46.97%). Out of this Staphylococcus aureus accounted for 59 (38.06%) isolates followed by Streptococcus species 33 (21.29%) and Coagulase negative Staphylococcus 30 (19.35%). Due to lack of proper managements of different risk factors major pathogenic microorganisms are isolated. Proper preventive and control strategy, awareness creation on key factors of mastitis, Regular screening and culling of chronically infected cows should be practiced.","PeriodicalId":19494,"journal":{"name":"Open Access Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82022231","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: 3