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粘胶短纤维无锌纺丝生产工艺

人造纤维 1999年第1期29卷 41-42,44页

作者： s.k.jain 张志明

锌在纺丝浴中的作用为提高粘胶纤维的强度,纤维素在纺丝浴中的再生反应要放慢,把牵伸传递给成形的丝,以利于粘胶纤维顺纵向纤维轴的平行成形。纺丝浴中锌的成份正是起到延缓再生反应的作用。这是由锌—纤维素黄酸酯在某中间阶段越过皮... 详细信息

锌在纺丝浴中的作用为提高粘胶纤维的强度,纤维素在纺丝浴中的再生反应要放慢,把牵伸传递给成形的丝,以利于粘胶纤维顺纵向纤维轴的平行成形。纺丝浴中锌的成份正是起到延缓再生反应的作用。这是由锌—纤维素黄酸酯在某中间阶段越过皮层截面完成的。

关键词：粘胶短纤维无锌纺丝工艺纺丝浴

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无锌粘胶短纤维工艺

国际纺织导报 1998年第2期26卷 28-32,34页

作者： s.k.jain L.Gupta 何春菊 Grasim工业公司

在简单论述了纺丝浴,特别是锌在纺丝机理中的作用后,本文详尽描述了在粘胶纤维生产过程中采取锌取代物的动机,经过一系列试验如:试验工厂试验、实验室检验、原型纺丝机试运转、纱线纺制试验及批量生产和商品化,逐步实现了商业化无锌工艺... 详细信息

在简单论述了纺丝浴,特别是锌在纺丝机理中的作用后,本文详尽描述了在粘胶纤维生产过程中采取锌取代物的动机,经过一系列试验如:试验工厂试验、实验室检验、原型纺丝机试运转、纱线纺制试验及批量生产和商品化,逐步实现了商业化无锌工艺;同时也论述了新工艺在生态、经济和与品质相关的优点。

关键词：纺丝浴短纤维纤维性能粘胶纺丝机纤维素黄酸锌无锌纱线性能工厂试验固体废物

戊巴比妥钠慢性给药，老鼠体内蛋白质和RNA目录的化学估计

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戊巴比妥钠慢性给药，老鼠体内蛋白质和RNA目录的化学估计

低压低成本滴灌系统的设计、构造与评估(摘选)

第十五届国际法庭科学大会

作者： H.s.Maheshwari s.Basu s.k.jain 乔静 department of Criminology ＆ Forensic science Department of ZoologyH.S.Gour UniversitySagar 470003M.P.India department of Criminology ＆ Forensic science Department of ZoologyH.S.Gour UniversitySagar 470003M.P.India department of Criminology ＆ Forensic science Department of ZoologyH.S.Gour UniversitySagar 470003M.P.India

＜正＞本文将让人们知道滥用药物戊巴比妥钠的连续摄入,不仅产生很大的药理学症状,而且能引起体内组织中的一些生化物质的显著改变,这些物质基本上是影响体细胞组织学特性的。本文内容是：老鼠口服戊巴比妥钠（短效巴比酮）180天,研究... 详细信息

＜正＞本文将让人们知道滥用药物戊巴比妥钠的连续摄入,不仅产生很大的药理学症状,而且能引起体内组织中的一些生化物质的显著改变,这些物质基本上是影响体细胞组织学特性的。本文内容是：老鼠口服戊巴比妥钠（短效巴比酮）180天,研究患白化病的老鼠体内各种组织（肝,脑,肾,肾上腺,卵巢,睾丸）中的蛋白质和核糖核酸（RNA）目录的生化改

关键词：戊巴比妥钠白化病老鼠蛋白

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农业工程 2011年第2期1卷 111-113页

作者： D.N.sah R.C.Purohit Virendra kumar A.k.shukla s.k.jain 乌代布尔技术与工程大学乌代布尔皇家艺术大学

使用当地产材料,包括kB管、kB压力脚踏泵、带有微型管的压力桶以及医用输液管开发了手动控制低压低成本(LPLC)滴灌系统。对该装置进行了田间试验,并且针对西红柿与椰菜,对该系统的各种独立参数,如营养生长、水力性能、农作物需水量、水... 详细信息

使用当地产材料,包括kB管、kB压力脚踏泵、带有微型管的压力桶以及医用输液管开发了手动控制低压低成本(LPLC)滴灌系统。对该装置进行了田间试验,并且针对西红柿与椰菜,对该系统的各种独立参数,如营养生长、水力性能、农作物需水量、水分利用效率以及经济成本从不同方面进行了评估。该系统的投资回收期为1个季度,效益成本比为1·59~5·31。该滴灌系统具有方便适用、经济实惠、拆装灵活、易学易用以及较低运作与维护成本的优点,对于小地块农户来说是一个不错的选择。

关键词：低压低成本滴灌系统医用滴头可分割营养生长参数

Vitamin D, selenium in type 2 diabetes and Hashimoto's thyroiditis: Is it effective?

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World Journal of Diabetes 2024年第5期15卷 1048-1050页

作者： kotha sugunakar Reddy Vishakha jain sakthivadivel Varatharajan Janardhana Reddy Pallavali Department of General Medicine All India Institute of Medical SciencesTelanganaHyderabad 508126India

The study by Feng et al,explores treatment approaches for these coexisting *** emphasizes the potential advantages of selenium and vitamin D supplementation but also raises methodological and patient selection *** indicate a complex interplay between interventions and disease markers,prompting the need for further *** limitations,the study offers valuable insights into managing the intricate relationship between type 2 diabetes mellitus and Hashimoto's *** authors'contributions shed light on potential treatment avenues,although careful consideration of study design and patient characteristics is warranted for future investigations in this domain.

关键词： Vitamin D selenium Type 2 diabetes Mellitus Hashimoto’s thyroiditis

A new route to weak force sensing beyond sQL: squeezed magnons in cavity magnomechanics

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sCIENCE CHINA-PHYsICs MECHANICs & AsTRONOMY 2024年第10期67卷 1-2页

作者： Oezdemir, s. k. Penn state Univ Dept Engn Sci & Mech University Pk PA 16802 USA Penn state Univ MRI University Pk PA 16802 USA

Quantum mechanics imposes limits on measurement accuracy through quantum noise which typically has two components:First is the shot noise originating from vacuum fluctuations and referred to as the imprecision *** is ... 详细信息

关键词： quantum typically vacuum

Understanding the corrosion and bio-corrosion behaviour of Magnesium composites – a critical review

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Journal of Magnesium and Alloys 2024年第3期12卷 890-939页

作者： Prithivirajan sekar s.k.Panigrahi Department of Mechanical Engineering Indian Institute of Technology MadrasChennai600036India Applied Magnesium Research Center Center of Excellence in Materials and Manufacturing for Futuristic MobilityIndian Institute of Technology MadrasChennai600036India

Realising the potential of Magnesium(Mg),several globally leading ventures have invested in the Mg industry,but their relatively poor corrosion resistance is a never ending saga till *** corrosion and bio-corrosion behaviour of Mg has gained research attention and still remains a hot topic in the application of automobile,aerospace and biomedical *** intrinsic high electrochemical nature of Mg limits their utilization in diverse *** scenario has prompted the development of Mg composites with an aim to achieve superior corrosion and bio-corrosion *** present review enlightens the influence of grain size(Gs),secondary phase,texture,type of matrix and reinforcement on the corrosion and bio-corrosion behaviour of Mg ***,the corrosion and bio-corrosion behaviour of Mg composites manufactured by primary and secondary processing routes are ***,the comprehensive corrosion and bio-corrosion mechanisms of these Mg composites are ***,the individual role of Gs,texture and corrosive medium on corrosion and bio-corrosion behaviour of Mg composites are clarified and *** challenges encountered,unanswered issues in this field are explained in detail and accordingly the scope for future research is *** review is presented from basic concrete background to advanced corrosion mechanisms with an aim of creating interest among the readers like students,researchers and industry experts from various research ***,the corrosion and bio-corrosion behaviour of Mg composites are critically reviewed for the first time to:(i)contribute to the body of knowledge,(ii)foster research and development,(iii)make breakthrough,and(iv)create life changing innovations in the field of Mg composite corrosion.

关键词： Corrosion Bio corrosion Magnesium alloys Magnesium composites Magnesium implants.

Hybrid-Vlasov simulation of soft X-ray emissions at the Earth’s dayside magnetospheric boundaries

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Earth and Planetary Physics 2024年第1期8卷 70-88页

作者： M.Grandin H.k.Connor s.Hoilijoki M.Battarbee Y.Pfau-kempf U.Ganse k.Papadakis M.Palmroth Department of Physics University of HelsinkiHelsinkiFinland NAsA Goddard space Flight Center GreenbeltMD20771USA space and Earth Observation Centre Finnish Meteorological InstituteHelsinkiFinland

solar wind charge exchange produces emissions in the soft X-ray energy range which can enable the study of near-Earth space regions such as the magnetopause,the magnetosheath and the polar cusps by remote sensing *** solar wind Magnetosphere Ionosphere Link Explorer(sMILE)and Lunar Environment heliospheric X-ray Imager(LEXI)missions aim to obtain soft Xray images of near-Earth space thanks to their soft X-ray Imager(sXI)*** earlier modeling works have already simulated soft X-ray images as might be obtained by sMILE sXI during its mission,the numerical models used so far are all based on the magnetohydrodynamics description of the space *** investigate the possible signatures of ion-kinetic-scale processes in soft Xray images,we use for the first time a global hybrid-Vlasov simulation of the geospace from the Vlasiator *** simulation is driven by fast and tenuous solar wind conditions and purely southward interplanetary magnetic *** first produce global X-ray images of the dayside near-Earth space by placing a virtual imaging satellite at two different locations,providing meridional and equatorial *** then analyze regional features present in the images and show that they correspond to signatures in soft X-ray emissions of mirrormode wave structures in the magnetosheath and flux transfer events(FTEs)at the *** results suggest that,although the time scales associated with the motion of those transient phenomena will likely be significantly smaller than the integration time of the sMILE and LEXI imagers,mirror-mode structures and FTEs can cumulatively produce detectable signatures in the soft X-ray *** instance,a local increase by 30%in the proton density at the dayside magnetopause resulting from the transit of multiple FTEs leads to a 12%enhancement in the line-of-sight-and time-integrated soft X-ray emissivity originating from this ***,a proton density increase by 14%in the magnetosheath

关键词： magnetosphere magnetosheath numerical simulation sMILE LEXI soft X-ray emissions hybrid-Vlasov model polar cusp flux transfer events mirror-mode waves