a这个县不到十分之一的零售行业是合股企业,而十分之七以上的是独资企业 正在翻译,请等待... [translate] aEXCELLENT ATMOSPHERE 优秀大气[translate] alead to a change in the chemical composition of soil and surface water. 导致在土壤和水面的化学成分的上一个变化。[translate]...
英['kemɪk(ə)l] n.化学品;化学制品 adj.与化学有关的;化学的;用化学方法制造的;化学作用的 网络化工;化学药品;化学物质 复数:chemicals 搭配 同义词 adj.+n. chemical composition,chemical fertilizer,chemical agent,chemical pollution,chemical weapon ...
defines the current subject. Dalton’s theory provided a basis for understanding the results of earlier experimentalists, including thelaw of conservationof matter (matter is neither created nor destroyed) and thelaw of constant composition(all samples of a substance have identical elemental compositions...
Chemical formula, any of several kinds of expressions of the composition or structure of chemical compounds. The forms commonly encountered are empirical, molecular, structural, and projection formulas. An empirical formula consists of symbols representi
...thechemicalcomposition of the ocean. 海洋的化学成分 柯林斯高阶英语词典 The whole food chain is affected by the overuse ofchemicalsin agriculture. 整个食物链因农业生产过程过多使用化学品而受到影响。 柯林斯高阶英语词典 ...achemicalscompany. ...
Graphite components, employed for the protection of the tokamak first wall, limiters and divertors, can be exposed to extremely high loads both during plasma disruptions and due to installation irregularities. Tile misalignments lead to leading edges that are heated under effect of extremely high plas...
Knowledge of the surface composition of sea spray aerosols (SSA) is critical for understanding and predicting climate-relevant impacts. Offline microscopy and spectroscopy studies have shown that dry supermicron SSA tend to be spatially ... CM Sultana,DB Collins,KA Prather - 《Environmental Science ...
select article Dual-pathway optimization on microwave absorption characteristics of core–shell Fe3O4@C microcapsules: Composition regulation on magnetic core and MoS2 nanosheets growth on carbon shell Research articleAbstract only Dual-pathway optimization on microwave absorption characteristics of core–...
Bertholletthat compounds have a variable composition. Modern research has shown, however, that there are in fact certain classes of compounds in which the composition is variable. Nevertheless, they are a minority, and thelaw of definite proportions(also called the law of constant composition) ...
In this study, the essential oil composition and, for the first time, the hydrosol composition of Croatian H. perforatum ssp. veronense were investigated, especially with regard to the comparison of volatile components between them. Our results of phytochemical profiling were compared with literature...