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- As Fe-plaque have special physical or chemical feature, it has great effect on ecological environment. 因其所具有的特殊的物理或化学结构,植物根表的铁锰氧化物胶膜在环境生态中起重要作用。
- Comparison bewteen toxicological test and chemical feature shows that this is the best viscoelasticity increaser of poly acrylate sodium type food additives. 毒理实验和性能对比,表明本品是面食类中一种增强粘弹性的最优良的聚丙烯酸钠类食品添加剂。
- The research shows that main hydrogeological characteristics of the Beishan area is water-bearing character, low permeability and slow water movement while the major chemical feature of groundwater is high mineralization. 研究表明,弱含水、低渗透、慢流速是区内主要水文地质特征,蒸发浓缩形成的高矿化是地下水的主要化学面貌。
- EDTA-SbNa, PDTA-SbNa (Sb-57) and ATA-Sb (Sb-71) produced a slight inhibition on the growth of sarcoma 180. The chemical feature and pharmacologic effect of antimonial chelates of EDTA and ATA are also discussed in this paper. EDTA-Sb-Na,PDTA-Sb-Na和ATA-Sb对肉瘤180稍有抑制作用。 (4)?胺羧螯合物抗癌作用的基本?构可能为一个含?的螯合物分子中拥有以氮为中心而具有三个以上的羧甲基。
- Physiological ecology focuses on the relationships Between individual organisms and the physical and chemical features of their environment. 生理生态学的重点在研究生物个体与其环境的物理、化学特征之间的关系。
- The chemical features of typical elements of the worn steel surfaces were observed and examined by means of X-ray photoelectron spectroscopy (XPS). 实验结果表明,合成的硼酸酯具有良好的抗磨性能,是一类新型无硫磷氮环保型润滑油添加剂;
- Current progress in lycopene research, including: resources, preparation, physical and chemical features, biological function and application, was reviewed herewith. 本文就番茄红素的资源、制备、理化性质、生物学功能及应用前景的研究进展做了较详尽的综述。
- Although the peptides had different structures, they typically shared a handful of chemical features, such as phyenyl, hydroxyl, carboxylic acid, and isobutyl groups. 虽然说肽类具有不同的结构,但是他们都共同具有一些简单的化学特征,比如苯酰基,羟基,羧基以及异丁基团。
- The relationship between plants growth and soil physic_ chemical features such as texture, bulk density and compaction, water supply, organic matter and nutrient, soil reaction, salinity and salt base saturation. 从城市土壤的物理化学特征如结构、壤容重和紧实度、市土壤的水分供应、壤有机质与养分含量、壤酸碱度、壤次生盐渍化和盐基饱和度等角度讨论了城市土壤与城市绿化植物生长之间的关系。
- The physical and chemical features of organochlorine pesticides,contents of clay minerals,organic carbon and microorganisms are major factors influencing the vertical distribution of the pesticides in soil. 有机氯农药的物化性质、土壤黏粒含量、有机碳和微生物影响着它们在土壤剖面上的分布。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- Based on the phsical and chemical features of aluminium under different conditi ons, stepwise-strengthened melting technology is adopted with the reheating cha r ge by bell type furnace. 根据铝在不同状态时的物理、化学性能特点,采用分步强化熔炼技术辅之以罩式炉预热炉料。
- Progresses in lycopene researches, including resources, preparation physical and chemical features, biological properties and its application prospect, were reviewed at some length. 制备、理化性质、生物学特性及应用前景等方面对其做了较详尽的综述。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- Keywords Hemp;Chemical feature;Phloem;Xylem;Structure; 大麻;化学特性;韧皮部;木质部;结构;
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。