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1.
2.
O. Pauli 《European Journal of Lipid Science and Technology》1966,68(4):275-279
Fungicidal and Bactericidal Paints — New Additives for the Oil and Synthetic Resin Lacquers New fungicides, which replace completely the mercury additives in oil, alkyd and synthetic resin lacquers, were developed. In contrast to the mercury additives, they can also be used in the stoving lacquers. They are only of limited use in insulating varnishes. The experience with these additives in different lacquer systems is reported. A combined testing method can give a practicable judgement about the fungicidal activity of such paints in a short time. 相似文献
3.
In a free material formulation, the problem of minimizing a weighted sum of compliance’s from multiple load cases, subject to an active constraint on material volume, is solved in a formulation with two optimality criteria. The first optimality criterion for the distribution of material volume densities is equal value for the weighted elastic energy densities, as a natural extension of the optimality criterion for a single load case. The second optimality criterion for the components of a constitutive matrix (of unit norm) is proportionality to corresponding weighted strain components with the same proportionality factor \(\widehat \lambda \) for all the components, as shortly specified by \(C_{i j k l} = \widehat \lambda \sum _{n} \eta _{n} (\epsilon _{i j})_{n} (\epsilon _{k l})_{n}\) , in traditional notation (n indicate load case). These simple analytical results should be communicated, in spite of the practical objection against design for weighted sum of compliance’s, as compared to worst case design and design considering strength. The application of the approach of the two optimality criteria is illustrated by a 2D example with 8 load cases. Stable and fast convergence is shown. 相似文献
4.
An electrodiffusional three-segment probe was developed with which local axial and radial liquid velocities can be determined.
Application of this probe in gas-liquid flow yields information on local gas hold-up. In coalescing media the commonly used
redox-system Fe(CN)
6
3−
/Fe(CN)
6
4
should be replaced by dissolved oxygen as depolarizer. Measurements of local axial and radial liquid velocity and turbulence
intensity in different bubble columns (D = 150 and 600 mm) showed good agreement with data obtained by hotfilm anemometry.
This paper was presented at the International Workshop on Electrodiffusion Diagnostics of Flows held in Dourdan, France, May
1993. 相似文献
5.
6.
Title of program: CATAR Catalogue number: ABGP Program obtainable from: CPC Program Library, Queen's University of Belfast, N. Ireland (see application form in this issue) Computer: UNIVAC 1108; Installation: Sandoz A.G., Basel, Switzerland Operating system: EXEC 8 Programming language used: FORTRAN IV High speed store required: 26K words No. of bits in a word: 36 Overlay structure: None Number of magnetic tapes required: None Other peripherals used: Card reader, line printer Number of cards in combined program and test deck: 3136 Card punching code: BCD 相似文献
7.
Inhibitory effects of essential oil components on growth of food-contaminating fungi 总被引:1,自引:0,他引:1
The antifungal activity of several components of essential oils were evaluated using a paper-disk method. The substances investigated are structurally related to eugenol. Equimolar amounts were tested on more than ten fungal strains known to contaminate food. Iso-eugenol, cinnamaldehyde, carvacrol, eugenol and thymol revealed the strongest antifungal activity. The most resistant strain appeared to be Penicillium verrucosum var. cyclopium, and the most sensitive was P. viridicatum. Some of the structural effects were considered, including a free hydroxyl group in connection with an alkyl substituent which seemed to represent an especially active configuration of phenolic compounds and which rendered antimicrobial activity. 相似文献
8.
9.
Richard M. Gunner Rory P. Wilson Mark D. Holton Phil Hopkins Stephen H. Bell Nikki J. Marks Nigel C. Bennett Sam Ferreira Danny Govender Pauli Viljoen Angela Bruns O. Louis van Schalkwyk Mads F. Bertelsen Carlos M. Duarte Martin C. van Rooyen Craig J. Tambling Aoife Gppert Delmar Diesel D. Michael Scantlebury 《Journal of the Royal Society Interface》2022,19(186)
The combined use of global positioning system (GPS) technology and motion sensors within the discipline of movement ecology has increased over recent years. This is particularly the case for instrumented wildlife, with many studies now opting to record parameters at high (infra-second) sampling frequencies. However, the detail with which GPS loggers can elucidate fine-scale movement depends on the precision and accuracy of fixes, with accuracy being affected by signal reception. We hypothesized that animal behaviour was the main factor affecting fix inaccuracy, with inherent GPS positional noise (jitter) being most apparent during GPS fixes for non-moving locations, thereby producing disproportionate error during rest periods. A movement-verified filtering (MVF) protocol was constructed to compare GPS-derived speed data with dynamic body acceleration, to provide a computationally quick method for identifying genuine travelling movement. This method was tested on 11 free-ranging lions (Panthera leo) fitted with collar-mounted GPS units and tri-axial motion sensors recording at 1 and 40 Hz, respectively. The findings support the hypothesis and show that distance moved estimates were, on average, overestimated by greater than 80% prior to GPS screening. We present the conceptual and mathematical protocols for screening fix inaccuracy within high-resolution GPS datasets and demonstrate the importance that MVF has for avoiding inaccurate and biased estimates of movement. 相似文献
10.
C. Wolf M Scherzinger A. Wurz U. Pauli P. Hübner J. Lüthy 《European Food Research and Technology》2000,210(5):367-372
Today DNA-based techniques are very common for the detection of genetically modified organisms (GMOs) in food products. For
fast and easy detection of GMOs, polymerase chain reaction (PCR) screening methods, which amplify common transgenic elements,
are applied in routine analysis. These techniques do not allow differentiation between GMOs and the natural occurrence of
transgenic elements, such as the 35S-promoter of cauliflower mosaic virus (CaMV) or the NOS-terminator of Agrobacterium tumefaciens, and thus may result in false-positive detection of GMOs. In this study we evaluated three different existing 35S screening
systems and report the development of two new CaMV-specific PCR systems. These PCR systems based on CaMV-specific genes allow
the identification of positively screened 35S food samples as naturally virus-infected products or plants. Seven food samples
tested positive in routine 35S screening analysis and negative in GMO specific systems were investigated using the new virus-specific
PCR systems. In all seven samples CaMV was detected.
Received: 26 April 1999 / Revised version: 28 June 1999 相似文献