检索结果-南通市图书馆

Experimental Study of the Influence of Intrinsic Parameters on the Thermal Reactivity of Sawdust, Polyethylene Terephthalate and Composite

引用

Journal of Materials Science and Chemical Engineering 2024年第3期12卷 9-20页

作者： ange brel boukongou Timoléon Andzi Barhé Applied Chemistry Research Laboratory (LARCA) Ecole Normale Supérieure (ENS) Marien NGOUABI University (UMNG) Brazzaville Congo

Several works have been based on the study of thermal variations in biomass to derive more valuable products such as fuels capable of replacing oil in the event of a crisis or activated carbon used as an adsorbent material, widely used in industry for the elimination of unwanted materials, both in liquid and gaseous environments. A study of thermal parameters such as: heating speed, retention time, drying temperature, carbonization temperature, particle size, was carried out with the aim of determining the characteristic factors of the carbonization of Polyethylene terephthalate (PET), sawdust (SC) and sawdust/polyethylene terephthalate (CPS) mixture. The results of the immediate analysis revealed a very low level of ash in PET (0.013%) compared to the level of ash in sawdust (2.9%), as well as a high level of fixed carbon (82.960%), which suggests the presence of mineral oxides and a significant carbon matrix unlike PET, which indicates a very significant organic matrix (essentially made up of organic matter) with the absence of mineral oxides. The study of thermal parameters showed the water loss from Sawdust (SC) and the Sawdust/Polyethylene terephthalate (CPS) mixture, an increase with temperature, unlike that of PET whose variation is essentially zero. Without heat treatment, sawdust alone contains approximately 7% water. The optimal drying temperature for this study is 110˚C for a stay of 24 hours. It appears that the largest mass losses for the PET samples are between 87.19% and 96.05%, followed by that of the mixture, between 47.33% and 64.37%. And the lowest are observed, those of sawdust (from 24.02% to 62.6%). However, here we can say that the influence of the mass is not great, given the slight difference between the losses by temperature. The results of the study of the influence of grain size showed that the differences are insignificant, even if we vary the diameter of the grains from simple to triple. To better minimize physical constraints such as t

关键词： Intrinsic Parameters Thermal Reactivity Sawdust Polyethylene Terephthalate Composite

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

NE ME QUITTE PAS

引用

法语学习 2011年第5期 63-63页

作者： Jacques brel

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Synthesis and Antiplatelet Activity of Alkyl Salicylates Sodium Salts

引用

材料科学与工程（中英文A版） 2012年第9期2卷 624-628页

作者： Anatoli Kuzmich brel' Svetlana Viktorovna Lisina Chemistry Department Volgograd State Medical University Volgograd 400131 Russia

Sodium salts of alkyl salicylates have been synthesized by the reaction of alkyl salicylate with sodium phenolate in inert solvent at room temperature. Acute toxicity (LD50) and effect of synthesized salts and aspirin on platelet aggregation have been studied. Aggregation of platelet-rich plasma was induced by ADP. The therapeutic index has been calculated. The leader among studied substances was amyl salicylate sodium salt which therapeutic index is in 4.49 times higher than that of aspirin. The influence of aspirin and amyl salicylate sodium salt on hemorrheology in rabbits was studied. Both compounds in 100 μm had no significant effects on indices of hemorrheology. Students" T test was used for statistics.

关键词：烷基水杨酸盐血小板聚集钠盐合成水杨酸戊酯血液流变学活性阿司匹林

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：