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27篇 您的检索式:作者名="Mutua"
    题名 作者 年代 出处 被引量
1原位聚合制备碳纤维增强MC尼龙6复合材料及其性能表征显示文摘通过己内酰胺的原位阴离子聚合和真空灌注成型(VARI)工艺制备了碳纤维(CF)/浇铸(MC)尼龙6热塑性复合材料。采用微控电子万能试验机、傅立叶红外光谱(FTIR)、差示扫描量热仪(DSC)、金相显微镜、扫描电镜(SEM)等对复合材料的力学性能、结构、热性能和形貌进行了评价。测试结果表明,聚合成型温度为160℃时所制备的CF/MC尼龙6复合材料的拉伸强度达到197 MPa,弯曲强度达到295 MPa;复合材料中MC尼龙6组分的热性能与商业尼龙6相近,碳纤维在MC尼龙6基体中分布均匀,碳纤维与MC尼龙6的界面粘接良好。杨凡 高远博 FREDRICKNzioka Mutua 董雨生 何勇 2018材料开发与应用2018,33,5:8
2温度对生物基聚酰胺56氢键的影响显示文摘利用傅里叶变换红外光谱仪测定了升降温过程中聚酰胺56(PA56)的系列红外光谱,考察了PA56红外光谱中酰胺Ⅰ带、酰胺Ⅱ带及N—H伸缩振动谱带随温度变化的情况,分析了温度对PA56氢键的影响。研究发现,随着温度的升高,氢键键合羰基与氨基的红外吸收谱带的峰强逐渐减小,而游离羰基、氨基的红外吸收谱带的峰强缓慢增大。由此表明PA56的氢键密度随着温度的升高而降低。杨婷婷 高远博 MUTUA Fredrick Nzioka 胡红梅 刘修才 郑毅 王学利 何勇 2020东华大学学报(自然科学版)2020,46,2:4
3HGB/TPU复合泡沫材料的制备及泡孔结构研究显示文摘采用空心玻璃微珠(HGB)填充热塑性聚氨酯(TPU),制备了HGB/TPU复合泡沫材料。研究了硅烷偶联剂KH550对HGB的表面处理,并借助SEM探讨了不同发泡方式、发泡剂含量、HGB含量对复合泡沫材料微观形态结构的影响。结果表明:经KH550处理的HGB与TPU基体界面结合良好;通过注塑发泡得到的泡沫材料发泡效果较好;当发泡剂含量为1%、HGB含量为2%时复合泡沫材料的泡孔分布均匀,尺寸较为均一。林佩洁 邵群 Fredrick Nzioka Mutua 路瑶 王依民 2012合成技术及应用2012,27,4:2
4机械化学法回收废弃碳纤维增强塑料的表征(英文)显示文摘在本研究中,我们介绍了机械化学强化回收碳纤维的特性。本研究的目的是探讨改良的再生方 法对再生纤维界面性能的影响。对增强塑料进行了回收,测定了其回收效率,并用浓度分别为 1%和 3% 的(3-氨丙基)三乙氧基硅烷对回收纤维进行了施胶。利用化学分析电子光谱(ESCA)、原子力显微 镜(AFM)、红外衰减全反射(ATR)光谱和扫描电子显微镜(SEM)对其形貌进行了表征。虽然纤维表面没 有裂纹,但有污染的迹象,影响了纤维的界面性能和质量。结果表明,随着施胶浓度的增加,再生纤 维和原生纤维的变化趋势相似。回收纤维具有很好的前景。NZIOKA Antony Mutua ALUNDA Bernard Ouma 鄢曹政 SIM Ye-Jin KIM Myung-Gyun YOON Bok-Young KIM Young-Ju 2019Journal of Central South University2019,26,10:2
5Estimating the impacts of land- cover change on runoff using the soil and water assessment tool (SWAT) : case study of Nzoia catchment, Kenya显示文摘Githui F Mutua F Bauwens W 2009Hydro- logical Sciences Journal2009,54,5:1
6Climate change im- pact on SWAT simulated streamflow in western Kenya 显示文摘Githui F Gitau W Mutua F 2009International Journal of Climatology2009,29,12:1
7Modelling soil erosion and sediment yield at a catchment scale the case of Masinga catchment,Kenya显示文摘Mutua B M Klik A Loiskandl W 0,,05:1
8Estimating the im- pacts of land-cover change on runoff using the soil and water assessment tool (SWAT): case study of Nzoia catchment, Kenya显示文摘Githui F Mutua F Bauwens W 2009Hydrological Sciences Journal2009,54,5:1
9Estimating the im pacts of land-cover change on runoff using the soil and water assessment tool (SWAT): Case study of Nzoia catchment, Kenya 显示文摘Githui F Mutua F Bauwens W 2009Hydrological Sciences Journal2009,54,5:1
10Estimating the Impacts of Land-cover Change on Runoff Using the Soil and Water Assessment Tool (SWAT): Case Study of Nzoia Catchment, Kenya 显示文摘GITHUI F MUTUA F BAUWENS W 2009Hydrological Sciences Journal2009,54,5:1
11Sythesis of alkyl glycoside fatty acid esters in non-aqueous media by Candida sp lipase显示文摘Mutua L N Akoh C C 1993J AM Oil Soc1993,70,:1
12The changing risk of Plasmodium falciparum malaria infection in Africa: 2000–10: a spatial and temporal analysis of transmission intensity显示文摘Abdisalan M Noor Damaris K Kinyoki Clara W Mundia Caroline W Kabaria Jonesmus W Mutua Victor A Alegana Ibrahima Socé Fall Robert W Snow 2014The Lancet2014,,:1
13Lipase-catalyzed modification of phospholipids:incorporation of n-3 fatty acids into biosurfactants显示文摘MUTUA L N AKOH C C 1993J Am Oil Chem Soc1993,70,2:1
14Estimating the impacts of land - cover change on runoff using the soil and water assessment tool (SWAT) : case study of Nzoia catchment, Kenya显示文摘Githui F Mutua F Bauwens W 2009Hydrological Sciences Journal2009,54,5:1
15Understanding Adherence to Daily and Intermittent Regimens of Oral HIV Pre-exposure Prophylaxis Among Men Who Have Sex with Men in Kenya 显示文摘Mugo PM Sanders E J Mutua G 2015AIDS Behav2015,19,5:1
16Safety and adherence to in- termittent pre-exposure prophylaxis (PREP) for HIV-I in African men who have sex with men and female sex workers 显示文摘Mutua G Sanders E Mugo P 2012PLoS One2012,7,33:1
17Estimating the Impacts of Land-Cover Change on Run-Off Using the Soil and Water Assessment Tool (Swat):Case Study of Nzoia Catchment,Kenya显示文摘GITHUI F MUTUA F BAUWENS W 2009Hydrology Sciences Journal2009,54,5:1
18Statistics of extreme events in Chinese stock markets显示文摘We investigate the impact of financial factors on daily volume recurrent time intervals in the developing Chinese stock markets. The tails of probability distribution functions(PDFs) of volume recurrent intervals behave as a power-law, and the scaling exponent decreases with the increase of stock lifetime, which are similar to those in the US stock markets, and they are typical representatives of developed markets. The difference is that the power-law exponent values remain almost the same with the changes of market capitalization, mean volume, and mean trading value, respectively. These findings enrich the results for event statistics for financial markets.吴干华 邱路 Mutua Stephen 李信利 杨悦 杨会杰 蒋艳 2014Chinese Physics B2014,23,12:1
19The View from the Field:Perspectives from Managers of Microfinance Institutions 显示文摘Mutua K Nataradol P Otero M & Chung B R 1996Journal of International Development1996,8,2:1
20Evaluation of Sealing Invariance Em- bedded in Short Time Series 显示文摘Xue Pan Lei Hou Mutua Stephen Huijie Yang Chenping Zhu 2014PLOS ONE2014,9,11:1
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