level of all bank balances should be tracked daily, the surplus of one account should [...] unesdoc.unesco.org unesdoc.unesco.org 为了避免任何透支麻烦,应每日了解所有银行余额的水平,用一个 账户的盈余来填补另一个赤字账户,规划出账日期,如有必要则推迟出账。
Handbook of Air Toxics The Handbook of Air Toxics compiles, defines, and clarifies several methods and concepts of airborne toxic substances found in the environment. This compre... W Mary - 《Crc Press》 被引量: 11发表: 1995年 A novel pre-concentration technology for VOC and air toxics c...
Polyelectrolyte microcapsules can be applied as microcontainers for the delivery of a wide range of substances, and it is important to search for new methods for capsule destruction and releasing substances from them. In this work, we studied the possibility of using sodium dodecyl sulfonate (SDS)...
Coarse and/or fine dispersed substances may be fed into the ultrasound treatment space and/or form additionally in the substrate to be treated, thus accelerating the destruction of microoganisms present and/or the homogenisation. The density of the medium is at least 1.01 g/cc, and its ...
UTMD is widely used to deliver bioactive substances, including therapeutic gases, drugs, and genes, to desired sites21. Delivery of oxygen or nitric oxide, using ultrasound and microbubble has been shown to be feasible and of significant therapeutic benefit. For example, using ultrasound and ...
of photocatalytic mineralization in the presence of TiO2-based materials was proposed. To help future studies, challenges of photocatalytic microorganism mineralization are also proposed. There are some aspects that need to be addressed, such as the lack of standardization of conducted research or ...
Per- and polyfluoroalkyl substances (PFASs) are a family of highly toxic emerging contaminants that have caught the attention of both the public and private sectors due to their adverse health impacts on society. The scientific community has been laboriously working on two fronts: (1) adapting ...
rituals, but also a compound that is included on the official lists of controlled substances in many countries in the world, including the USA. However, the legal status of psychedelic mushrooms is a lot more complicated than this – here are some things that you should also know about the ...
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The development of nuclear energy has led to an increased production of effluents and radioactive waste, which must be controlled as efficiently as possible in order to protect the present and future environment, by in particular minimizing the final waste quantity corresponding to one tonne of fuel...