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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學(xué)結構，植物根表的鐵錳氧化物膠膜在環(huán)境生態(tài)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. 毒理實(shí)驗和性能對比,表明本品是面食類(lèi)中一種增強粘彈性的最優(yōu)良的聚丙烯酸鈉類(lèi)食品添加劑。
- 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、低滲透、慢流速是區內主要水文地質(zhì)特征，蒸發(fā)濃縮形成的高礦化是地下水的主要化學(xué)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對肉瘤180稍有抑制作用。 (4)?胺羧螯合物抗癌作用的基本?構可能為一個(gè)含?的螯合物分子中擁有以氮為中心而具有三個(gè)以上的羧甲基。
- Physiological ecology focuses on the relationships Between individual organisms and the physical and chemical features of their environment. 生理生態(tài)學(xué)的重點(diǎn)在研究生物個(gè)體與其環(huán)境的物理、化學(xué)特征之間的關(guān)系。
- The chemical features of typical elements of the worn steel surfaces were observed and examined by means of X-ray photoelectron spectroscopy (XPS). 實(shí)驗結果表明,合成的硼酸酯具有良好的抗磨性能,是一類(lèi)新型無(wú)硫磷氮環(huán)保型潤滑油添加劑;
- Current progress in lycopene research, including: resources, preparation, physical and chemical features, biological function and application, was reviewed herewith. 本文就番茄紅素的資源、制備、理化性質(zhì)、生物學(xué)功能及應用前景的研究進(jìn)展做了較詳盡的綜述。
- Although the peptides had different structures, they typically shared a handful of chemical features, such as phyenyl, hydroxyl, carboxylic acid, and isobutyl groups. 雖然說(shuō)肽類(lèi)具有不同的結構，但是他們都共同具有一些簡(jiǎn)單的化學(xué)特征，比如苯?；?，羥基，羧基以及異丁基團。
- 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. 從城市土壤的物理化學(xué)特征如結構、壤容重和緊實(shí)度、市土壤的水分供應、壤有機質(zhì)與養分含量、壤酸堿度、壤次生鹽漬化和鹽基飽和度等角度討論了城市土壤與城市綠化植物生長(cháng)之間的關(guān)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. 有機氯農藥的物化性質(zhì)、土壤黏粒含量、有機碳和微生物影響著(zhù)它們在土壤剖面上的分布。
- A reactor is a container for chemical reaction. 反應器是進(jìn)行化學(xué)反應的容器。
- The chemical symbol for copper is "Cu". 銅的化學(xué)符號是Cu。
- We are doing a chemical experiment. 我們正在做化學(xué)實(shí)驗。
- 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. 根據鋁在不同狀態(tài)時(shí)的物理、化學(xué)性能特點(diǎn)，采用分步強化熔煉技術(shù)輔之以罩式爐預熱爐料。
- Progresses in lycopene researches, including resources, preparation physical and chemical features, biological properties and its application prospect, were reviewed at some length. 制備、理化性質(zhì)、生物學(xué)特性及應用前景等方面對其做了較詳盡的綜述。
- My major is the subject of chemical engineering. 我的專(zhuān)業(yè)是化學(xué)工程學(xué)。
- Ammonia is a chemical substance. 氨是種化學(xué)物質(zhì)。
- Keywords Hemp;Chemical feature;Phloem;Xylem;Structure; 大麻;化學(xué)特性;韌皮部;木質(zhì)部;結構;
- A chemical derived from petroleum or natural gas. 石油化學(xué)制品從石油或天然氣中提煉出的化學(xué)產(chǎn)品
- Beware how you handle the toxic chemical. 小心處理有毒的化學(xué)藥品。
