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Justin B. Craig Mikko Pohjola Sascha Kraus Søren H. Jensen 《Creativity & Innovation Management》2014,23(2):199-210
In an empirical investigation of 532 Finnish firms, and using the entrepreneurial orientation (EO) literature to frame our arguments, we demonstrate that relationships among proactivity, risk‐taking and innovation output differ in family and non‐family firms. Specifically, we find evidence that risk‐taking does not affect innovation output in family firms, whereas in non‐family firms, innovation output is increased through risk‐taking. Also, proactive family firms influence their innovation output more positively than proactive non‐family firms do. This study adds important new insights to the growing knowledge of EO, which are discussed in the following for both academic and business audiences. 相似文献
95.
介绍了Palluna(R)ACF-100钯镍合金电镀工艺,其流程主要包括:碱性除油或电解除油,酸洗,光亮或半光亮镀镍,镍活化,镀钯镍合金,镀硬金或金钴合金.镀钯镍合金的最佳工艺条件为:Pd 15 g/L,Ni 16g/L,温度60℃,pH 5.5,阴极电流密度60 A/dm2.所得合金含钯80%(质量分数),镀速可达14μm/min.镀层结合力好、延展性高,耐磨、焊接性能优良,混合流动气体腐蚀测试结果令人满意.该工艺无氨无氯,操作容易,镀液使用寿命长. 相似文献
96.
Guus van Rossum Berta Matas Güell Ragavendra P. Balegedde Ramachandran K. Seshan Leon Lefferts Wim P. M. Van Swaaij Sascha R. A. Kersten 《American Institute of Chemical Engineers》2010,56(8):2200-2210
The evaporation of pyrolysis oil was studied at varying heating rates (~1–106°C/min) with surrounding temperatures up to 850°C. A total product distribution (gas, vapor, and char) was measured using two atomizers with different droplet sizes. It was shown that with very high heating rates (~106°C/min) the amount of char was significantly lowered (~8%, carbon basis) compared to the maximum amount, which was produced at low heating rates using a TGA (~30%, carbon basis; heating rate 1°C/min). The char formation takes place in the 100–350°C liquid temperature range due to polymerization reactions of compounds in the pyrolysis oil. All pyrolysis oil fractions (whole oil, pyrolytic lignin, glucose and aqueous rich/lean phase) showed charring behavior. The pyrolysis oil chars age when subjected to elevated temperatures (≥700°C), show similar reactivity toward combustion and steam gasification compared with chars produced during fast pyrolysis of solid biomass. However, the structure is totally different where the pyrolysis oil char is very light and fluffy. To use the produced char in conversion processes (energy or syngas production), it will have to be anchored to a carrier. © 2010 American Institute of Chemical Engineers AIChE J, 2010 相似文献
97.
Susanne Schmidt Michaela Zietz Monika Schreiner Sascha Rohn Lothar W. Kroh Angelika Krumbein 《Food chemistry》2010
The aim of this study was to determine the composition and concentration of flavonoid aglycones in kale, the dependence on genotype and their interaction with decreasing temperature and global radiation. Eight kale cultivars, comprising hybrid and traditional, old cultivars, were grown in a field experiment and harvested four times at 4-week intervals. The traditional, old cultivars in particular contained high concentrations of flavonoids. In all of the investigated cultivars, kaempferol was the main flavonoid aglycone, followed by quercetin and isorhamnetin, which was quantified in six of the eight cultivars. Furthermore, in six of the eight cultivars, the total concentration of flavonoids remained unchanged with decreasing temperature and global radiation. The quercetin concentration increased in five of these six cultivars, whereas the kaempferol concentration decreased. Interestingly, the quercetin-to-kaempferol ratio increased in all of the investigated cultivars, despite the fact that the radiation level decreased, suggesting that the impact of the decline in temperature could be responsible for this effect. 相似文献
98.
Zheng Tang Zaifei Ma Antonio Sánchez‐Díaz Sascha Ullbrich Yuan Liu Bernhard Siegmund Andreas Mischok Karl Leo Mariano Campoy‐Quiles Weiwei Li Koen Vandewal 《Advanced materials (Deerfield Beach, Fla.)》2017,29(33)
Spectroscopic photodetection is a powerful tool in disciplines such as medical diagnosis, industrial process monitoring, or agriculture. However, its application in novel fields, including wearable and biointegrated electronics, is hampered by the use of bulky dispersive optics. Here, solution‐processed organic donor–acceptor blends are employed in a resonant optical cavity device architecture for wavelength‐tunable photodetection. While conventional photodetectors respond to above‐gap excitation, the cavity device exploits weak subgap absorption of intermolecular charge‐transfer states of the intercalating poly[2,5‐bis(3‐tetradecylthiophen‐2‐yl)thieno[3,2‐b]thiophene] (PBTTT):[6,6]‐phenyl‐C61‐butyric acid methyl ester (PCBM) bimolecular crystal. This enables a highly wavelength selective, near‐infrared photoresponse with a spectral resolution down to 14 nm, as well as dark currents and detectivities comparable with commercial inorganic photodetectors. Based on this concept, a miniaturized spectrophotometer, comprising an array of narrowband cavity photodetectors, is fabricated by using a blade‐coated PBTTT:PCBM thin film with a thickness gradient. As an application example, a measurement of the transmittance spectrum of water by this device is demonstrated. 相似文献
99.
In Trusted Network Connect (TNC), a network access decision is based on the security state of an access requesting party. This mechanism is limited to closed environments such as LANs and VPNs. In this paper, we propose solutions based on authentication standards for enabling TNC in open, web-based scenarios. In particular, an architectural model for TNC is proposed that takes additional security and privacy requirements into account. Furthermore, a communication scheme is proposed that is based on standardised protocols and message formats. This approach provides assurance as to the security state of clients accessing security sensitive web-based services. 相似文献
100.
Volker Scholz Sascha El-Abed Hans-Peter Seidel Marcus Magnor 《Computer Graphics Forum》2009,28(6):1632-1643
While there are various commercial-strength editing tools available today for still images, object-based manipulation of real-world video footage is still a challenging problem. In this system paper, we present a framework for interactive video editing. Our focus is on footage from a single, conventional video camera. By relying on spatio-temporal editing techniques operating on the video cube, we do not need to recover 3D scene geometry. Our framework is capable of removing and inserting objects, object motion editing, non-rigid object deformations, keyframe interpolation, as well as emulating camera motion. We demonstrate how movie shots with moderate complexity can be persuasively modified during post-processing. 相似文献