The text studied effects of acid materials on pH value in calcareous soil ; studied effects of phosphoric acid (H2SO4 as control) on pH value and micronutrient availability ; studied relation between P and available Fe, Zn in plant; studied effects of acid material on growth of acidophilic plant.
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。
Application of Phytolith in Agricultural Archaeology;
植物硅酸体分析在农业考古中的应用
Residues of many plants preserved in sediments are regarded as excellent material in paleoenvironment study, so phytolith is often regarded as a good carrier of paleoclimate information with its unique physical-chemical characters.
地表植被对环境变化的响应最为敏感 ,沉积物中保存的各种植物残余是古环境研究的良好材料 ,植物硅酸体因其特有的物理化学性质 ,成为古气候信息的绝佳载体。
The phytolith evidence of rice together with AMS 14C dating of charcoal and charred seed from Xishanping site in Gansu shows that the rice has been cultivated about 5 000 years ago in Tianshui, Gansu province.
西山坪遗址水稻遗存的植物硅酸体记录和炭屑以及碳化种子加速器14C测年显示甘肃天水5000年前已开始种植水稻,是我国西北部有精确定年的最古老的稻作遗存,也是水稻种植的最西北端。
Phytolith Evidence for Rice Cultivation from Xishanping Site in Gansu 5 000 Years Ago;
甘肃西山坪遗址5000年水稻遗存的植物硅酸体记录
Phytolith diagnostic characteristics of rice remains at prehistoric settlements in North China;
中国北方史前遗址稻作遗存的植物硅酸体判别标准
Analysis of shield fossils shows that the shield fossil found in the marine and terristrial deposits of China is one kind of the opal phytolithes originating from plants.
本文研究认为,我国海陆相地层中常见的盾形化石是植物硅酸体众多形态中的一种类型。
colloid chemistry of silicate mineral
硅酸盐矿物胶体化学
MORPHOLOGICAL CHARACTERISTICS OF PHYTOLITH OF WOODY PLANTS FROM THE VERTICAL VEGETATION ZONES ON THE NORTH SLOPE IN CHANGBAI MOUNTAIN AND ITS ENVIRONMENTAL SIGNIFICANCE
长白山北坡垂直植被带木本植物的植硅体形态特征及其环境意义
Ca-aluminate-silicate base
铝酸钙-硅酸钙载体
Studies on paper properties of papermaking of alumina-silicate fibers with plant fibers
硅酸铝纤维与植物纤维配抄对成纸性能影响的研究
Study on Phosphorylation of Thylakoid Protein in Vivo;
植物类囊体膜蛋白体内磷酸化的研究
enamels, silicone alkyd copolymer
硅醇酸树脂共聚物搪瓷
A Study on Constructing Marker-free Expression Vector of Phytase Gene for Plant Genetic Transformation;
无选择标记的植酸酶基因植物表达载体的构建
Nitrogen enters into the structure and forms aminoacids.
氮素进入植物体而构成氨基酸。
any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity.
由含水硅酸铝或硅酸钾等组成的矿物，呈晶体状，能分裂成极薄的片状，具有良好的电绝缘性。
The Degradation of α-CaSiO_3 and β-CaSiO_3 Bioactive Bioceramics in Vivo and in Vitro
α-硅酸钙和β-硅酸钙的体外体内降解性研究
Surface Silane-treatment of Wollastonite Coated with Aluminium Silicate Composite
硅酸铝包覆硅灰石复合粉体表面硅烷改性研究
The Application of Raman Spectroscopy,Phytolith and Starch Analyses to Research of Paper-based Materials
拉曼光谱、植硅体和淀粉粒分析在纸质文物研究中的应用
any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium.
任何一组坚硬的晶体矿物，由含有钾、钠、钙、钡的铝硅酸盐组成。
any of a group of crystalline silicate mineral common in igneous and metamorphic rocks.
晶体硅酸盐矿物中的任何一种，广泛分布在火成岩与变质岩中。
Crystal Structure and Surface Property of Diaspore and Phyllosilicate Minerals;
一水硬铝石和层状硅酸盐矿物的晶体结构与表面性质研究