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Comptes Rendus. Chimie最新文献

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Short-term effects of olive-mill-wastes-derived biochars amendment and arbuscular mycorrhizal fungi inoculation on growth of maize (Zea mays) and mycorrhizal colonization 橄榄木废弃物生物炭改良和丛枝菌根真菌接种对玉米生长和菌根定殖的短期影响
IF 1.6 4区 化学
Comptes Rendus. Chimie Pub Date : 2023-08-21 DOI: 10.5802/crchim.234
Christiane Minkosse, A. Langenfeld, A. A. Azzaz, Mejdi Jeguirim, L. El-Bassi, H. Akrout, S. Jellali, C. Ghimbeu, Najat Nassr
{"title":"Short-term effects of olive-mill-wastes-derived biochars amendment and arbuscular mycorrhizal fungi inoculation on growth of maize (Zea mays) and mycorrhizal colonization","authors":"Christiane Minkosse, A. Langenfeld, A. A. Azzaz, Mejdi Jeguirim, L. El-Bassi, H. Akrout, S. Jellali, C. Ghimbeu, Najat Nassr","doi":"10.5802/crchim.234","DOIUrl":"https://doi.org/10.5802/crchim.234","url":null,"abstract":"","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46180193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Male antennae of Armadillidium vulgare discriminate Wolbachia-infected females 普通犰狳(Armadillidium vulgare)的雄性触角可以识别感染沃尔巴克氏体的雌性
IF 1.6 4区 化学
Comptes Rendus. Chimie Pub Date : 2023-08-09 DOI: 10.5802/crchim.238
N. Mouret, Vincent Tolassy, Freddie-Jeanne Richard
{"title":"Male antennae of Armadillidium vulgare discriminate Wolbachia-infected females","authors":"N. Mouret, Vincent Tolassy, Freddie-Jeanne Richard","doi":"10.5802/crchim.238","DOIUrl":"https://doi.org/10.5802/crchim.238","url":null,"abstract":". In natural populations of A. vulgare , the endosymbiont Wolbachia feminizes genetic males. When confronted with genetic females and feminized males, males prefer genetic females. We tested whether the ability of males to discriminate both females involved the detection of chemical com-poundsbyextractingfemalecuticularcompoundsthroughvarioussolventbathsandpresentingthem to male antennae. We also tested female antennae responses to evaluate the potential impact of Wolbachia on individual detection. Our results showed that only the ethyl acetate extracts triggered a significantly di ff erent response of male antennae between the two types of females. No di ff erence be-tween female antennal detection was recorded. Further experiments are required to identify the involved molecule explaining the sexual preference of males towards Wolbachia -free females.","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41491216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Addendum: Average Surface Temperature Over the Circular Disk Heat Source/Sink Embedded in an Insulating Boundary Plane. Analytic Solution 附录:嵌入在绝缘边界面上的圆形圆盘热源/散热器的平均表面温度。分析解决方案
4区 化学
Comptes Rendus. Chimie Pub Date : 2023-08-07 DOI: 10.5802/crmeca.217
William Pons, Stanley Pons
{"title":"Addendum: Average Surface Temperature Over the Circular Disk Heat Source/Sink Embedded in an Insulating Boundary Plane. Analytic Solution","authors":"William Pons, Stanley Pons","doi":"10.5802/crmeca.217","DOIUrl":"https://doi.org/10.5802/crmeca.217","url":null,"abstract":"","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135903668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative analysis of fuel wood consumption of improved mud stove and three stone fire stove: a case study 改进型泥炉与三石炉燃料木材消耗量的比较分析
IF 1.6 4区 化学
Comptes Rendus. Chimie Pub Date : 2023-07-12 DOI: 10.5802/crchim.235
A. Junejo, S. Sushanth Kumar, K. Harijan, Mejdi Jeguirim
{"title":"Comparative analysis of fuel wood consumption of improved mud stove and three stone fire stove: a case study","authors":"A. Junejo, S. Sushanth Kumar, K. Harijan, Mejdi Jeguirim","doi":"10.5802/crchim.235","DOIUrl":"https://doi.org/10.5802/crchim.235","url":null,"abstract":"","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47792303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera) 瓢虫属(瓢虫科:鞘翅目)产脂肪酸衍生生物碱的首次报道
IF 1.6 4区 化学
Comptes Rendus. Chimie Pub Date : 2023-06-14 DOI: 10.5802/crchim.230
A. Magro, F. Ramon-Portugal, D. Touboul, I. Borges, J. Hemptinne
{"title":"First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera)","authors":"A. Magro, F. Ramon-Portugal, D. Touboul, I. Borges, J. Hemptinne","doi":"10.5802/crchim.230","DOIUrl":"https://doi.org/10.5802/crchim.230","url":null,"abstract":"","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42238739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Waste cooking oil pretreatment using microwave and ultrasound methods 利用微波和超声两种方法对废食用油进行预处理
IF 1.6 4区 化学
Comptes Rendus. Chimie Pub Date : 2023-06-12 DOI: 10.5802/crchim.229
Halima Kerras, Nawel Outili, A. Meniai
{"title":"Waste cooking oil pretreatment using microwave and ultrasound methods","authors":"Halima Kerras, Nawel Outili, A. Meniai","doi":"10.5802/crchim.229","DOIUrl":"https://doi.org/10.5802/crchim.229","url":null,"abstract":". Thepresentstudyfocusedonthecomparisonoftwointensifiedpretreatmenttechniquesfor wastecookingoil(WCO)collectedfromuniversityrestaurants.Thecookingoilwas100%soybeanand had an acidity value (AV) of 4.48 mg KOH/g oil. Ultrasound (US) and microwave (MW) irradiations were applied as non-chemical pretreatment methods with zero generated waste. The considered factors for the MW pretreatment were power and time ranging from 100 to 800 W and from 20 to 120 s, respectively. The US pretreatment was carried out at a temperature ranging from 20 to 40 °C for a residence time ranging from 5 to 50 min. For the two non-chemical pretreatment methods, optimal conditions were as follows: for microwave irradiation, a power of 100 W, a residence time of 50 s, and an acid value reduced to 1.056 mg KOH/g; whereas, the US pretreatment reduced the AV to 1.014 mg KOH/g at 40 °C, 30 min and 100 W. Finally, the pretreated WCO under optimal conditions was used for biodiesel production using conventional transesterification. Results showed that the pretreatment methods led to good results where the best biodiesel yield was 98%, obtained with US pretreatment,whileMWledtoayieldof96%.Bothyieldswerehigherthan94%,obtainedforbiodiesel production without any pretreatment.","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45443812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tree-dimensional resources: hedgerow and orchard pollen for bumble bees 树木维度资源：大黄蜂的树篱和果园花粉
IF 1.6 4区 化学
Comptes Rendus. Chimie Pub Date : 2023-06-08 DOI: 10.5802/crchim.231
Antoine Gekière, Apolline Michel, Irène Semay, Clément Tourbez, Martin Begou, D. Michez, P. Gerbaux, M. Vanderplanck
{"title":"Tree-dimensional resources: hedgerow and orchard pollen for bumble bees","authors":"Antoine Gekière, Apolline Michel, Irène Semay, Clément Tourbez, Martin Begou, D. Michez, P. Gerbaux, M. Vanderplanck","doi":"10.5802/crchim.231","DOIUrl":"https://doi.org/10.5802/crchim.231","url":null,"abstract":"a Laboratory of Zoology, Research Institute for Biosciences, University of Mons, Mons, Belgium b Organic Synthesis and Mass Spectrometry Laboratory, Research Institute for Biosciences, University of Mons, Mons, Belgium c CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France E-mails: antoine.gekiere@umons.ac.be (A. Gekière), apolline.michel@student.umons.ac.be (A. Michel), irene.semay@umons.ac.be (I. Semay), clement.tourbez@umons.ac.be (C. Tourbez), martin.begou@student.umons.ac.be (M. Begou), denis.michez@umons.ac.be (D. Michez), pascal.gerbaux@umons.ac.be (P. Gerbaux), maryse.vanderplanck@cefe.cnrs.fr (M. Vanderplanck)","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46439791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Le foisonnement éolien : les limites d’un mix électrique à forte proportion d’énergies renouvelables intermittentes 风能繁荣:间歇性可再生能源高比例电力组合的局限性
IF 1.6 4区 化学
Comptes Rendus. Chimie Pub Date : 2023-05-26 DOI: 10.5802/crchim.232
D. Grand, M. Fontecave
{"title":"Le foisonnement éolien : les limites d’un mix électrique à forte proportion d’énergies renouvelables intermittentes","authors":"D. Grand, M. Fontecave","doi":"10.5802/crchim.232","DOIUrl":"https://doi.org/10.5802/crchim.232","url":null,"abstract":"","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42304588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep Learning of Temperature – Dependent Stress – Strain Hardening Curves 温度相关应力-应变硬化曲线的深度学习
4区 化学
Comptes Rendus. Chimie Pub Date : 2023-05-12 DOI: 10.5802/crmeca.185
Filip Nikolić, Marko Čanađija
{"title":"Deep Learning of Temperature – Dependent Stress – Strain Hardening Curves","authors":"Filip Nikolić, Marko Čanađija","doi":"10.5802/crmeca.185","DOIUrl":"https://doi.org/10.5802/crmeca.185","url":null,"abstract":"In this study, structure – property relationships (SPR) have been investigated using machine learning methods (ML). The research objective was to create a ML model that can predict the stress – strain response of materials at different temperatures from a given microstructure with industrially acceptable accuracy and high computational efficiency. Automated microstructure generation techniques and numerical simulations were developed to create a dataset for the ML model. Two – phase 3D representative volume elements (RVEs) were analyzed using finite element analysis (FEA) to obtain the stress – strain responses of the RVEs. The phase arrangement of the RVEs, the temperature, and the stress – strain responses were used to train the ML model. The microstructure arrangement and the temperature – dependent mechanical properties of each phase were known parameters, while the output parameter was the stress – strain response of the two – phase RVE. The ML model has shown excellent prediction accuracy in the temperature range from 20 °C to 250 °C. In addition, the model showed very high computational efficiency compared to FEA, allowing much faster prediction of the stress – strain curves at specific temperatures.","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135389197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemical profiles of venom glands in queens, foundresses, pre-wintering gynes, and workers in the hornet Vespa velutina nigrithorax 黑蜂蜂后、雌蛛、越冬前雌蛛和工蜂毒腺的化学特征
IF 1.6 4区 化学
Comptes Rendus. Chimie Pub Date : 2023-04-26 DOI: 10.5802/crchim.228
L. Berville, C. Lucas, Mélissa Haouzi, A. Khalil, J. Gévar, A. Bagnères, E. Darrouzet
{"title":"Chemical profiles of venom glands in queens, foundresses, pre-wintering gynes, and workers in the hornet Vespa velutina nigrithorax","authors":"L. Berville, C. Lucas, Mélissa Haouzi, A. Khalil, J. Gévar, A. Bagnères, E. Darrouzet","doi":"10.5802/crchim.228","DOIUrl":"https://doi.org/10.5802/crchim.228","url":null,"abstract":"","PeriodicalId":10566,"journal":{"name":"Comptes Rendus. Chimie","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49104153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","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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