检索结果-南通市图书馆

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

A Culinary Caravan

Beijing Review 2024年第1期67卷 48-48页

作者： Mazhar alam 不详

Envision yourself journeying along the ancient Silk Road,where the air is filled with the harmonious melody of camel bells,the enticing aroma of sizzling spices and the rising steam from *** this rich tapestry,merchants barter not only for silks and gems but also for the most prized *** lamb skewers dance on open flames,handpulled noodles twirl like acrobats and fragrant rice dishes gleam with jewels of spice.

关键词： yourself filled prize

Properties of Phosphoric Acid Doped Poly(benzimidazole/sulfone/siloxane/amide)/Sulfonated Polystyrene/Silica Nanoparticle-based Proton Exchange Membranes for Fuel Cells

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Journal of Polymer Science 2014年第10期32卷 1319-1328页

作者： ayesha Kausar Muhammad Siddiq Nanosciences and Catalysis Division National Centre For Physics Quaid-i-Azam University CampusIslamabad 44000 Pakistan Department of Chemistry Quaid-i-Azam University Islamabad Pakistan

New siloxane and sulfone containing poly（benzimidazole/sulfone/siloxane/amide）（PBSSA） has been prepared for the formation of hybrid membranes （PBSSA/PS-S/SiNPs） with sulfonated polystyrene （PS-S） and 0.1 wt%-2 wt% silica nanoparticles （SiNPs）. Field emission scanning electron micrographs showed good dispersion of filler, formation of dense nanoporous honeycomb like structure and uniform ionic pathway in these hybrids. The porous membrane structure was responsible for the fine water retention capability and higher proton conductivity of the new hybrids. Increasing the amount of nanoparticles from 0.1 wt% to 2 wt% increased the tensile stress of acid doped PBSSA/PS-S/SiNPs nanocomposites from 65.7 MPa to 68.5 MPa. A relationship between nanofiller loading and thermal stability of the membranes was also experientially studied, as the glass transition temperature of phosphoric acid doped PBSSAJPS-S/SiNPs nanocomposites increased from 207℃ to 215 ℃. The membranes also had higher ion exchange capacity （IEC） around 2.01 mmol/g to 3.01 mmol/g. The novel membranes with high IEC value achieved high proton conductivity of 1.10-2.34 S/cm in a wide range of humidity values at 80 ~C which was higher than that of perfluorinated Nafion 117 membrane （1.1 × 10^-1 S/cm） at 80 ~C （94% RH）. A H2/O2 fuel cell using the PBSSA/PS-S/SiNP 2 （IEC 3.01 retool/g） showed better performance than that of Nation 117 at 40 ℃ and 30% RH.

关键词： Poly(benzimidazole/sulfone/siloxane/amide) Sulfonated polystyrene Silica nanoparticles Ion exchange capacity Proton conductivity.

Beneath the Full Moon

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

Beijing Review 2024年第38期67卷 48-48页

作者： Mazhar alam

Mid-Autumn Festival,which falls on the 15th day of the eighth month on the traditional Chinese calendar-on September 17 this year,has always been my favorite holiday celebration since I arrived in China in *** after all these years,it holds a special place in my heart,and each year I eagerly anticipate its *** festival stands apart from other holidays because of its timing-just as the summer heat fades and the crisp,refreshing autumn breeze ***'s a brief time window when the weather is perfect,allowing people to enjoy outdoor activities before the biting cold of winter sets *** China,this season invites everyone to embrace the beauty of the outdoors,whether it be taking a stroll in a park or planning a short weekend getaway.

关键词： favorite everyone holds

Discrete biological modeling for the immune response to dengue virus

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

International Journal of Modeling, Simulation, and Scientific Computing 2022年第1期13卷 214-234页

作者： Khaled A.Al-Utaibi M.Muzamil ayesha Sohail Fatima alam Alessandro Nutini Sadiq M.Sait Computer Science and Software Engineering Department University of Ha’il Ha’ilSaudi Arabia Quaid e Azam Medical College BahawalpurPakistan Department of Mathematics Comsats University Islamabad Lahore 54000Pakistan Biology and Biomechanics Department Centro Studi Attivita Motorie via di Tiglio 9455100 LuccaItaly Center for Communications and IT Research Research Institute King Fahd University of Petroleum and Minerals Dhahran 31261 Saudi Arabia

Dengue infection affects more than half of the world’s population,with 1 billion symp-tomatic cases identified per year and several distinct genetic serotypes:DENV 1–*** via the mosquito bite,the dengue virus infects Langerhans ***,B lymphocytes,and mast cells infected with dengue virus produce various cytokines although it is not clear which ones are predominant during DHF disease.A mathemat-ical model of the Dengue virus infection is developed according to complex dynamics determined by many *** from a state of equilibrium that we could define as“virus-free”asymptotically stable with a viral reproduction number lower than one which means a very effective action of the innate immune system:it stops the infectious process,the mathematical analysis of stability in the presence of the virus demonstrates that the proposed model is dynamically *** fever affects more than half of the world’s population,with 1 billion symptomatic cases and multiple genetic serotypes confirmed each year,which simulates a network of interactions between the various populations involved without considering the speeds of the processes in question which are indicated in a separate *** this research,a hybrid approach of petri nets is utilized to connect the discrete models of dengue.

关键词： Modeling scientific computing DENV cytokines petri nets infected cell

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Timeless Tapestry

Beijing Review 2024年第11期67卷 48-48页

作者： Mazhar alam 不详

In the annals of histo-KIN ry,China stands as a venerable testament to the enduring spirit of civilization,a cradle that has nurtured the growth of diverseculturesfor over 5,000 *** beinga hub fortrade,this ancient land has been a melting pot of ideas,wheretheebband flow of cultural exchange have woven a rich tapestry that continues to shape the nation's identity.

关键词： identity. continue diverse

Indispensable Hibi Relations and Grobner Bases

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Algebra Colloquium 2015年第4期22卷 567-580页

作者： ayesha Asloob Qureshi ] Abdus Salam School of Mathematical Sciences GC University Lahore. 68-B New Muslim "Ibwn Lahore 54600 Pakistan

In this paper we consider Hibi rings and Rees rings attached to a poset. We classify the ideal lattices of posets whose Hibi relations are indispensable and the ideal lattices of posets whose Hibi relations form a quadratic Grobner basis with respect to the rank lexicographic order. Similar classifications are obtained for Rees rings of Hibi ideals.

关键词： Hibi rings Hibi relations Gr5bner bases lattices

Effect of Different Mulch Materials on Yield and Nutrition Profile of Common Capsicum (Capsicum annuum) Cultivars in Bangladesh

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Agricultural Sciences 2024年第2期15卷 246-255页

作者： Prince Biswas Md. Abubakar Siddik Md. Shariful Islam Mohammad Zahir Ullah Md. Shamsuzzoha Hasina Akter Akm Maksudul alam Mominul Hauque Robin Nutrition Analysis Division Bangladesh Institute of Research and Training on Applied Nutrition Araihazar Bangladesh Department of Crop Botany Faculty of Agriculture Habiganj Agricultural University Habiganj Bangladesh Field Crop Division Bangladesh Institute of Research and Training on Applied Nutrition Araihazar Bangladesh Medicine Crop Wing Bangladesh Institute of Research and Training on Applied Nutrition Araihazar Bangladesh Department of Statistics University of Dhaka Dhaka Bangladesh Department of Agricultural Extension Upazila Agriculture Office Habiganj Bangladesh Department of Agricultural Chemistry Sher-e-Bangla Agricultural University Dhaka Bangladesh

Capsicum is a nutritious vegetable and its cultivation in farms is getting popular in Bangladesh. Although many efforts have lain to explore better yielding and nutritionally rich cultivars with suitable modern cultivation techniques but still have to find the desired outcome. Thus, it’s necessary to conduct further research to identify the high-yielding and nutritious capsicum cultivars in Bangladesh. An experiment was conducted from July 2021 to June 2022 at the Bangladesh Institute of Research and Training on Applied Nutrition (BIRTAN) research field with three cultivars of capsicum: B0 = California Wonder, B1 = BARI Misti Morich-1 and B2 = BARI Misti Morich-2 and three mulching: T0 = No mulching, T1 = Water hyacinth, T2 = Poly Mulching in randomized complete block design with three replications to identify better quality capsicum cultivar and suitable mulching material. Among cultivars the BARI Misti Morich-2 (B2) showed increased agronomic parameters like number of branches and effective branches per plant, leaves length and width, consequently yield and yield contributing traits were also enhanced like fruits per plant, fruit length, fruit diameter and yield per plant (25.97%, 4.54%, 3.64% and 21.43%, respectively). Poly Mulching (T2) increased agronomic traits, yield traits and yield (0.61 kg) than BARI Misti Morich-1 (T1). The combined effect of B2T2 increased the number of branches per plant, effective branches per plant, leaves length and breadth by 40%, 90%, 15.57% and 26.22%, respectively, hence resulting in an increased yield of 20%. BARI Misti Morich-2 cultivar showed an increase in Fe, Zn and Vitamin-C content of 26.24% and 23.10%, 8.82% and 5.14%, and 6.03% and 5.74% than B0 and B1 cultivars, respectively. Therefore, BARI Misti Morich-2 exhibited the improved agronomic, yield and nutritional traits of capsicum under poly mulching a

关键词： Capsicum Cultivars Mulch Materials Yield Yield Contributing Traits Nutritional Quality

A Shopping Revolution Reshapingg Lifestyles

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Beijing Review 2024年第29期67卷 48-48页

作者： Mazhar alam 不详

In the bustling streets of China,a quiet revolution has taken place,reshaping the way people shop and interact with the market.E-commerce has emerged as a dominant force,offering a plethora of products and services at the fingertips of *** the smallest needle to the grandest household appliances,from humble socks to luxurious shoes,and even fresh fruits and vegetables,everything is just a click away.

关键词： offering shaping Revolution

MECHANICALLY AND THERMALLY STABLE BLENDS OF POLY(STYRENE-BUTADIENE-STYRENE) WITH CONDUCTING POLY(THIOUREA-AZO-NAPHTHYL)

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Journal of Polymer Science 2013年第12期31卷 1623-1631页

作者： ayesha Kausar Syed Tajammul Hussain Nanosciences and Catalysis Division National Centre for PhysicsQuaid-i-Azam University Campus

A new aromatic azo-polymer, poly（thiourea-azo-naphthyl）（PTAN）, has been synthesized using 1-（5- thiocarbamoylaminonaphthyl）thiourea and diazonium salt solution of 2,6-diaminopyridine. PTAN was easily processable using polar solvents and had high molar mass 57 × 10^3 g/mol. Electrically conducting, mechanically and thermally stable rubbery blends of poly（styrene-butadiene-styrene）（SBS） triblock copolymer and PTAN were produced by solution blending technique. FESEM of SBS/PTAN blends revealed nano-scale dispersion of the conducting filler showing good adhesion between the matrix and PTAN. Remarkable effects of azo-content on the conductivity of SBS-based blends have been observed. Accordingly, PTAN loading from 10 to 60 wt% increased the conductivity from 1.24 to 1.66 S/cm. Relationship between PTAN loading and thermal stability of the materials was also investigated. With increasing the PTAN content, 10% gravimetric loss was increased from 484 to 500 ℃, while glass transition was enhanced from 119 to 126 ℃. Thermal and conducting data of the blend showed better results relative to pure elastomer but were lower than those of the conducting filler. Similarly, the tensile strength （57.35-62.33 MPa） of SBS/PTAN was improved relative to there of SBS. Fine balance of properties renders new materials fairly better than the existing elastomeric blends used in a number of applications.

关键词： Poly(thiourea-azo-naphthyl) SBS Electrical conduction Thermal stability Tensile strength.