Difference of nitric oxide and acidic material in apiration pulmonary injury in rat;
一氧化氮和酸性物质在大鼠吸入性肺损伤中的差异
After adding the acidic material,the pH reduced to neutral-m.
结果表明,花卉培养土的pH值由于配置比例不同而呈现从微碱性到强酸性的变化,保定植物园拟栽培花卉土壤的pH值为微碱性,加入酸性物质后土壤的pH值降低至中性-微酸性,适合多种花卉栽植。
There exists a significant seasonal variability in content of aroma components and sugar acids.
西番莲果汁香味及主要糖酸物质含量存在显著的季节性差异。
The effects of acid materials, including furfural residue, solid oxalic acid, ferrous sulfate, sulphur powder and vinegar residue,on phosphate activation in calcareous soil were studied based on culture experiments.
结果表明,除醋渣外,其他几种酸性物质均可显著提高石灰性土壤磷的有效性,其效应从高到低依次为糠醛渣、固体草酸、硫酸亚铁、硫磺粉,速效磷的平均值依次较对照提高了26。
In this thesis , the effects of acid materials on calcareous soil were studied by using laboratory soil trial and pot experiments trail.
本文采用室内模拟试验和盆栽试验相结合的方法，研究了不同酸性物质对石灰性土壤的酸化效果；磷酸和硫酸对石灰性土壤pH值及微量元素有效性的影响；植物体内磷、有效铁、锌的关系；不同酸性基质对嗜酸植物生长的影响。
A substance having a sour taste.
酸味物质，酸性物质有酸味的物质
The part of the tooth that has been destroyed by the acid is inside the cavity.
被酸性物质侵害的部分在蛀洞的里面，
The acid in the rain slowly ate away at the stone wall.
雨水中的酸性物质慢慢侵蚀着石墙。
Study on Acidification and Biological Effects of Acid Material Added to Calcareous Soil;
酸性物质对石灰性土壤的酸化效果和生物效应研究
ADSORPTION, ACIDITY AND PHYSICO-CHEMICAL PROPERTIES OF HETEROPOLY ACID CATALYSTS
杂多酸催化剂的吸附、酸性和物化性质
A corrective for overacidity is an alkaline substance.
酸性过度的中和剂是碱性物质。
A number of intoxicants are associated with metabolic acidosis.
许多毒性物质可引起代谢性酸中毒。
Physicochemical and biological properties of tetramethylpyrazine phosphate
磷酸川芎嗪理化性质及生物学性质的考察
Solution Properties of the Random Copolymer of Methyl Methacrylate-Acrylic;
甲基丙烯酸甲酯—丙烯酸无规共聚物的溶液性质
Synthesis and characterization of folate receptor targeted polylactic acid copolymer
叶酸受体靶向的聚乳酸共聚物的合成及性质
Synthesis and Characterization of Biologically Active Organoarsenic Acid;
生物功能性有机胂酸的合成及其生物性质
Test methods of wooden activated carbon-Determination of Acid-soluble substance
木质活性炭试验方法 酸溶物的测定
Test methods of wooden activated carbon-Acid-soluble substance
GB/T12496.12-1990木质活性炭检验方法酸溶物
Rust and acids are corrosive.
锈及酸类都是腐蚀性物质.
turn basic and less acidic, of solutions and substances.
溶液和物质发生碱化而减少酸性。
Tannin is an astringent substance used in medicine.
单宁酸在医药中用作收敛性的物质。
Syntheses, Structures, and Properties of Supramolecular Compounds Based on Polyoxometalates;
多酸超分子化合物的合成、结构与性质
Synthesis and Electro-chemical Properties of TTF Carboxylates Coordination Compounds;
TTF羧酸配合物的合成与电化学性质