نتایج جستجو برای: 1 before cultivation
تعداد نتایج: 3097684 فیلتر نتایج به سال:
Microalgae produce higher biomass and oil yields than traditional energy crops, and they can be cultivated on marginal land or in seawater. Additional benefits can be achieved from co-production of food, feed and high-value chemicals as well as from environmental services, such as bio-fixation of CO2 and wastewater treatment. However, biotechnical, environmental, and economic challenges need to...
Precision-cut slices of in vivo tumours permit interrogation in vitro of heterogeneous cells from solid tumours together with their native microenvironment. They offer a low throughput but high content in vitro experimental platform. Using mouse models as surrogates for three common human solid tumours, we describe a standardised workflow for systematic comparison of tumour slice cultivation me...
BACKGROUND AND AIMS The wild progenitors of the Near Eastern legumes have low germination rates mediated by hardseededness. Hence it was argued that cultivation of these wild legumes would probably result in no yield gain. Based on the meagre natural yield of wild lentil and its poor germination, it was suggested that wild Near Eastern grain legumes were unlikely to have been adopted for cultiv...
This study practices programming education using a drone in an elementary school and examines the effects on understanding necessity of technology industry. Before after class, students were asked to respond questionnaire survey about their awareness participation rice cultivation describe jobs they thought related cultivation. After image free text. From descriptions considered be cultivation,...
a field study was undertaken with four farming systems (fs) such as; grasses and fodders, agro-forestry, agriculture (new farming systems) and shifting cultivation (old practice), to investigate the effect of land use on the soil properties, erosion and crop productivity on a loamy acidic alfisol. besides crops, the livestock were also kept and their dropping were incorporated in the respective...
This work describes the characterisation and culture performance of a novel, orbitally shaken, single-use photobioreactor (SUPBr) system for microalgae cultivation. The SUPBr mounted on an orbitally shaken platform was illuminated from below. Investigation of fluid hydrodynamics indicated a range of different flow regimes and the existence of 'in-phase' and 'out-of-phase' conditions. Quantifica...
In this paper, a Potential Bio-Disease Tracking and Tracing Algorithm based on RFID System (PBDT) is proposed. Bio-information of cultivation and disease prevention are important for the agriculture economy. The RFID system is used to record the information (cultivation history) and for identifying different objects.. In addition, the location (before and current) of the objects and the transpo...
The present work investigated the use of sorbitol as a soluble carbon source, in association with cellulose, to produce cellulases and xylanases in submerged cultures of Penicillium echinulatum 9A02S1. Because cellulose is an insoluble carbon source, in cellulase production, there are some problems with rheology and oxygen transfer. The submerged fermentations containing media composed of 0, 0....
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