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CHEMICAL ANALYSIS OF WOOD EXTRACTIVES AND LIGNIN IN TH...  CNKI文献

In order to map the source of oxalic acid in the interior wood of the Vasa ship,an analysis of wood extractives (tannins) was conducted.Samples used for analysis were PEG-impregnated dry Vasa wood,wa...

Dina Dedic Tommy Iversen... 第十六届木材、纤维及制浆化学国际会议论文集(第Ⅰ卷) 2011-06-08 国际会议

关键词: Tannins / extraction / lignin / degradation

下载(12)| 被引(0)

A Human Factors Model of Card Application  CNKI文献

Although technical development on encryption (password) ,card produce,card reader, ATM,and digital cash transaction keep improving, many of the effective factors come from the human components in the...

Karl W. Sandberg Proceedings of the 6th Pan-Pacific Conference on Occupa... 2001-08-01 国际会议

关键词: Card

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On Performance Limitations of Congestion Control  CNKI文献

Fundamental performance limitations on congestion control is discussed in relation to the information that is available in the controller.Three control architectures that all use bottle-neck buffer d...

H.Sandberg H.Hjalmarsson... Proceedings of Joint 48th IEEE Conference on Decision a... 2009-12-16 国际会议

关键词: On / Performance / Limitations / of

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Practical assessment of aluminate-silicate interaction...  CNKI文献

Already since about 70 years it is well know that sulfate optimization enables to significantly enhance the performance of OPC based binders and that calorimetry measurements are an ideal tool for th...

Thomas Matschei Paul Sandberg The 14th International Congress on the Chemistry of Cem... 2015-10-13 国际会议

关键词: field / calorimetry / isothermal / calorimetry

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Network Structure Preserving Model Reduction with Weak...  CNKI文献

This paper extends a state projection method for structure preserving model reduction to situations where only a weaker notion of system structure is available. This weaker notion of structure, ident...

E.Yeung J.Gonalves... Proceedings of Joint 48th IEEE Conference on Decision a... 2009-12-16 国际会议

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Reduced-Order Predictive Outage Compensators for Netwo...  CNKI文献

Control systems utilizing wireless sensor and actuator networks can be severely affected by the properties of the wireless links.Radio fading and interference may cause communication outage of severa...

Erik Henriksson Henrik Sandberg... Proceedings of Joint 48th IEEE Conference on Decision a... 2009-12-16 国际会议

关键词: Reduced-Order / Predictive / Outage / Compensators

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A phenomenological study of innovators attitude to cre...  CNKI文献

The aim of this initial study was to investigate innovators attitudes to creative problem solving.A phenomenological method has been used.Five innovators included in present study.The outcome of the ...

Gerth hman Karl W Sandberg Proceedings of 17th World Congress on Ergonomics 2009-08-09 国际会议

关键词: Innovator / attitude / problem / solving

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Calcined Clay As an Alternative Binder:A Further Step ...  CNKI文献

A very important area in energy efficient construction is thermal insulation.Insulation has always been a demanding requirement when buildings are constructed,particularly in places where extreme cli...

Serina Ng Bjφrn Petter Jelle... The 14th International Congress on the Chemistry of Cem... 2015-10-13 国际会议

关键词: Thermal / insulation / mechanical / strength

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The Use of Carbon Dioxide As An Accelerating Additive ...  CNKI文献

Environmental concerns have prompted research into the use of carbon dioxide as a feedstock in the production of concrete.Industrial trials have examined the use of CO_2 in ready-mix production.A gas...

Sean Monkman Mark MacDonald... The 14th International Congress on the Chemistry of Cem... 2015-10-13 国际会议

关键词: Carbon / dioxide / ready / mix

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Insulating and Strength Properties of an Aerogel-Incor...  CNKI文献

With the increasing attention towards energy-efficient and zero emission buildings,improvement to concrete properties is becoming more and more significant in construction and building sectors.One su...

Serina Nq Linn Ingunn Christie Sandberg... Abstracts of The 10th International Symposium on High P... 2014-09-16 国际会议

关键词: Insulation / aerogel / thermal / conductivity

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Early Hydration Of Cement Under Influence of Carbon Di...  CNKI文献

Industrial use of waste carbon dioxide gas as an upcycled feedstock into concrete has realized strength benefits when applied to masonry blocks and ready mixed concrete.The introduction of carbon dio...

Sean Monkman Paul Kenward... The 14th International Congress on the Chemistry of Cem... 2015-10-13 国际会议

关键词: cement / hydration / carbon / dioxide

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The Potential of Available Biomass for Energy Purpose ...  CNKI文献

Wood is a lignocellulosic raw material that is used for a diversity of industrial products. Besides the traditional uses of wood in the construction, pulp- and papermaking and furniture industries, t...

Trischler J... Abstracts of the 23rd European Biomass Conference and E... 2015-06-01 国际会议

关键词: The / Potential / of / Available

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The Arabidopsis AtIPT8/PGA22 gene encodes an isopenten...  CNKI文献

Cytokinin plays a critical role in plant growth and development by stimulating cell division and cell differentiation. Despite many years of research efforts, our current understanding of this hormon...

Petr Tarkowski Dana Tarakowski... Proceedings of the International Symposium on Plant Gen... 2002-10-01 国际会议

关键词: PGA / The / Arabidopsis / AtIPT8/PGA22

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Wind turbine load performance using iterative learning...  CNKI文献

Wind turbines blades are subjected to fluctuating aerodynamic forces with both deterministic and stochastic components.Both types require management for efficient operation of the turbine.A simple bu...

Owen K.Tutty Mark Blackwell... Abstract Book of 23rd International Congress of Theoret... 2012-08-19 国际会议

关键词: Wind / turbine / load / performance

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Patterns of corticosterone secretion associated with m...  CNKI文献

Previous experiments show that the amount of stored fat influences magnetic orientation in migratory active birds. We designed experiments to test the possible relationship between migratory motivati...

Mare Lhmus Roland Sandberg... Abstract Volume of the 23rd International Ornithologica... 2002-08-01 国际会议

关键词: Patterns / of / corticosterone / secretion

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用三氯化铁、硫脲和盐水浸出从复杂硫化物中回收银、金和铅  CNKI文献

最近,矿业局研究出一种从复杂铅-锌硫化物矿石中回收金银和副产品铅的湿法冶金方法。在40℃下,用FeCl_3预浸出6h,提取约50%的锌并生成不溶的银和铅氯化物,接着,在40~C下用酸化硫脲浸出1~3h,提取约85%的金和银;残渣...

R G... 《湿法冶金》 1987年03期 期刊

关键词: 三氯化铁 / 矿石 / 氯化铁 / 阴极电解液

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用氯化铁、硫脲和盐水浸出法从复合硫化矿中回收金、银和铅  CNKI文献

最近,美国矿山局研究了一种从复合铅-锌硫化矿中回收金、银和付产铅的水冶工艺.在40℃,用氯化铁(FeCl_3)预浸6小时的条件下,可提取50%的锌,并生成不溶化的氯化银和氯化铅,然后在酸性硫脲中,温度为40℃的条件下浸出1~...

R.G.Sandberg J.L.Huiatt... 《黄金科技动态》 1988年04期 期刊

关键词: 氯化铁 / 氯化铅 / 氯化银 / 回收率

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提高分辨率后的地电测深应用于地下水调查实例  CNKI文献

本文以一个模型实例和New Jersey的两个野外例子说明,应用于地下水勘查的地电测深的分辨率得到了改进。层状地层参数可由电阻率法、感应极化法和瞬变电磁测深法来分辨。通过对反问题进行参数约束,并同时反演两个或两个...

S.K.Sandberg 《石油物探译丛》 1994年02期 期刊

关键词: 电测深 / 分辨率 / 鉴别率 / 层状地层

下载(36)| 被引(0)

选择生活和寻找意义:在戴夫不幸逝世30天后  CNKI文献

今天是我挚爱的丈夫"谢洛行"——也就是30天哀悼期结束的日子。犹太教要求,在爱人下葬后要进行7天沉痛哀悼,这被称为"沙瓦"。7天丧期结束后,大多数正常活动就可以恢复了,但30天哀悼期的结束才标志...

Sheryl Sandberg 奕轩 《英语文摘》 2015年10期 期刊

关键词: 犹太教 / 极度痛苦 / OK / 空虚感

下载(38)| 被引(0)

肿瘤形成的染色体假说  CNKI文献

显带技术应用以前(1970年前),人体肿瘤和白血病的细胞遗传学研究结果,在多数病例是非常复杂的和异质性的,不能查明它们在这些疾病的病因作用。然而,在七十年代前期,有人认为在人类肿瘤的病因中,染色体变化起主要的作用...

Sandberg AA 王永宏 《国外医学.遗传学分册》 1984年01期 期刊

关键词: 染色体 / 区段 / 肿瘤形成 / 染色质

下载(26)| 被引(0)

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