Results 91 to 100 of about 24,826 (264)
Zhongguo youzhi旨在为栀子的进一步开发和利用提供参考数据，使用正己烷索氏提取法和乙醇提取法提取产自湖南宁乡、江西九江、江西抚州、福建福鼎、江西金溪和江西樟树的6种栀子籽中的油脂，并对其理化性质、脂肪酸组成、功能成分（西红花苷Ⅰ、磷脂、 β-谷甾醇）含量及活性（DPPH自由基清除能力、紫外吸收能力）进行比较。结果表明：正己烷索氏提取法的栀子油得率高于乙醇提取法的；以正己烷索氏提取法提取栀子油，福建福鼎的栀子油得率最高，为（15.41±0.21）%，且其碘值和皂化值(KOH)最高，分别为(89.87±5.25) g/100
李亚1，罗兰1，田云才2,3，董俊姿4，田勇2,3， 李冰4，张文环2,3，吴明一1 LI Ya1, LUO Lan1, TIAN Yuncai2,3, DONG Junzi4, TIAN Yong2,3, LI Bing4, ZHANG Wenhuan2,3, WU Mingyi1
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Mass Spectrometry Reviews, EarlyView.ABSTRACT The review examines the evolution of chemical ionization mass spectrometry (CI‐MS), a technique developed in 1966 by Field and Munson. CI is a soft‐ionization method that produces more intense molecular ions with less fragmentation than electron ionization (EI).
Malvika Dutt +4 more
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Zhongguo youzhi为了更好地开发利用油橄榄叶，采用超高效液相色谱-四极杆飞行时间质谱和超高效液相色谱-三重四极杆/复合线性离子阱质谱分析技术分别定性定量分析甘肃陇南不同品种油橄榄叶提取物中的化学成分，并考察其体外抗氧化活性。结果表明：从甘肃陇南油橄榄叶提取物中主要鉴定了73个化学成分，其中萜类38个、黄酮类16个、苯乙醇类7个、挥发油类5个、脂肪酸类2个、苯甲酸类1个、苯丙素类1个、其他类3个；不同品种27批油橄榄叶提取物中的11个化学成分总含量存在一定差异，陇南武都和礼县的油橄榄叶提取物中11个化学成分总含量分别为1 ...
赵强宏1，邹诚2，王文亮1，王惠明3，瞿城2ZHAO Qianghong1, ZOU Cheng2, WANG Wenliang1, WANG Huiming3, QU Cheng2
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Jojoba: An assessment of prospects [PDF]
, 1979 This report examines in detail the sperm oil and animal and vegetable wax markets in an attempt to establish market price and volume parameters for jojoba oil and wax.
Macfarlane, N. +2 more
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Polymer Composites, EarlyView.Biocomposites produced with agro‐industrial waste from castor hulls and pinewood bonded with urea‐formaldehyde adhesive, intended for application as thermal insulation in buildings. ABSTRACT The production of composite particleboards with agricultural waste has been the focus of many studies that aim to address environmental problems due to waste ...
Thamirys Andrade Lopes +7 more
wiley +1 more source
Zhongguo youzhi为了促进核桃油的开发和利用，以核桃仁出油率为指标，采用单因素试验和响应面试验优化低温螺旋压榨核桃油的工艺条件（核桃仁含水量、榨头温度、出渣孔径），并在最优条件下对不同品种核桃油的脂肪酸组成和活性成分进行分析。结果表明：在出渣孔径12 mm、核桃仁含水量6%、榨头温度100 ℃条件下，核桃仁出油率最高，达57.63%；最优条件下压榨所得的新疆纸皮核桃油、美国山核桃油和临安山核桃油的不饱和脂肪酸含量均超过90%，其中油酸含量为18.08%~63.44%，亚油酸含量为26.63%~60.96%，α ...
卢红伶1，俞罡雷2，蒋起宏1，蒋陈凯1，胡文君1，骆红阳2，相兴伟3，冯永才4，沈国新1，陈琳1 LU Hongling1，YU Ganglei2，JIANG Qihong1，JIANG Chenkai1，HU Wenjun1， LUO Hongyang2，XIANG Xingwei3，FENG Yongcai4，SHEN Guoxin1，CHEN Lin1
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INTERNATIONAL DIVISION OF LABOUR IN THE CONTEXT OF GLOBALISATION: THE CASE OF THE CZECH REPUBLIC [PDF]
Division of labour is the specialization of cooperative labour in specific, circumscribed tasks and roles, intended to increase the productivity of labour.
Michal TVRDON
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Effects of bioinsecticide exposure route on aphids and their natural enemies in oilseed rape
Pest Management Science, EarlyView.Fatty acids, silicone polymers and surfactants reduced aphid numbers but caused natural enemy mortality under direct exposure, while minimal residual activity suggests potential for targeted, compatible use in integrated pest management. Abstract BACKGROUND Myzus persicae Sulzer and Brevicoryne brassicae L.
Aimee J. Tonks +3 more
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Zhongguo youzhi为得到遗传性状稳定、高产花生四烯酸（ARA）的高山被孢霉菌株，以实验室保藏的高山被孢霉FD-1为出发菌株，采用紫外-LiCl联合常压室温等离子体（ARTP）技术进行诱变处理，并进行TTC平板初筛和摇瓶发酵复筛。结果表明，经紫外-LiCl联合ARTP诱变处理，获得一株高产ARA的高山被孢霉突变株Z6-A23。菌株Z6-A23所产油脂中ARA含量高达44.57%，ARA产量达3.62 g/L，分别较出发菌株FD-1提高了75.40%和223.21%。经10次传代培养，突变株Z6-A23代谢合成ARA性能稳定，
张鑫，凤元邦，冯雪，张春枝，陈明 ZHANG Xin, FENG Yuanbang, FENG Xue, ZHANG Chunzhi, CHEN Ming
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Packaging Technology and Science, EarlyView.This study aims to optimise the application methods of a biobased suspension of micro/nano cellulose fibrils from agro‐biomass subjected to high‐pressure homogenisation. Two methods were selected, bar coating (BC) and spray coating (SC), and were tested using an LF factorial design with 3 levels and 2 factors.
Andrea Feroce +2 more
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