Issues on the Determination Method of Available Copper, Iron, Manganese and Zinc in Calcareous Soil 石灰性土壤中有效性铜、铁、锰、锌测定方法的探讨
All have calcareous plates embedded in their skins, and all have five-part radial symmetry. 石灰板都嵌入在自己的皮肤,和所有有五个部分径向对称性。
Research on influences of particle breakage and dilatancy on shear strength of calcareous sands 颗粒破碎及剪胀对钙质砂抗剪强度影响研究
Experimental Investigation on Cementation of Calcareous Sand and Its Basic Mechanical Characteristics 钙质砂的胶结性及对力学性质影响的实验研究
Ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell. 卵形身体的十肢头足类动物,窄的鳍和身体一样长,钙质内壳大。
Influence of K_2SO_4 and KH_2PO_4 on Adsorption of Copper in Calcareous Soils and Acid Soil 酒石酸甲基二氢咪唑硫酸钾和磷酸二氢钾对石灰性土壤和酸性土壤吸附铜离子的影响
Plants from the high-lime plots grew better on calcareous soil. 高石灰小区的植株在石灰质土上生成较好。
In the east sea area of Dongsha Islands, calcareous debris are enriched; 东沙群岛以东海区钙质生物碎屑沉积丰富;
Calcareous soil-Alkaline soil with high levels of calcium and Magnesium carbonate. l石灰性土-含有大量碳酸镁和钙质的碱性土壤。
It is important that the relationship of calcareous soil and zinc nutrition can be clarified and also increases the yield and quality of crop. 这对于揭示石灰性土壤主要化学因素与小麦锌营养的关系,进而提高农产品产量和营养品质,具有十分重要的意义。
In some places, it seems gray. Plants from the high-lime plots grew better on calcareous soil. 而部分地区又是灰色的。高石灰小区的植株在石灰质土上生成较好。
Calcareous and siliceous microorganisms in surface sediments of Chukchi and Bering seas 楚科奇海与白令海表层沉积中的钙质和硅质微体化石研究
Region mainly by the clayey soil and sandy clay sandy soil composition, soil type is calcareous cinnamon tide. 域内土质主要由粘质砂土和砂质粘土构成,土壤类型为石灰性潮褐土。
Based on the researches of Neogene calcareous nannofossils from the Pearl River Mouth Basin, this paper briefly reviews the researching and developing process. 根据珠江口盆地新近系钙质超微化石研究文献,综述了研究内容及发展过程。
The long axes of the ellipsoidal shaped calcareous concretion reflected the direction of movement of mineralizing groundwaters. 椭圆形的钙质结核的长轴方向反映了地下矿化水的流动方向。
The calcareous skeletons of this distinctive species have weathered out from the limestone matrix. 这一独特物种的钙质骨骼已在石灰石矩阵中风化。
By isolating and screening in calcareous soil, 71 phosphorus-solubilizing bacterial strains with obvious halo were obtained. 对石灰性土壤样品进行了解磷细菌的分离和筛选,得到具有明显溶磷圈的解磷细菌71株。
The capacity of calcareous meadow soil to nitrogen fertilizer in Beijing area was studied by a long-term fertilizer experiment under condition of winter wheat-summer corn → spring corn rotation. 本文在冬小麦-夏玉米→春玉米轮作条件下,通过肥料长期定位试验,研究了北京地区石灰性潮土对氮肥连续施用的环境承受力。
Primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates. 原始的细长身体且两边对称的海生软体动物,有上覆八个钙质骨盘的覆盖物。
Other plankton species in near equal numbers replaced calcareous microplankton as they died out. 钙质微体浮游生物消亡时,已经有近乎等量的其它浮游生物种类代替它们了。
The state and transform of nutrient elements are important to plant nutrition and environmental quality in calcareous soils. 石灰性土壤中各种元素的状态和转化,对植物营养和环境质量有重要意义。
The calcareous white stones of the river Piave constitute this land. 皮亚韦河钙质的白色石头构成了这片土地。
This paper studied the effects of interaction of phosphorus and cadmium on the growth of spinach in calcareous soils through pot experiment. 采用盆栽试验,研究了石灰性土壤中磷、镉交互作用对菠菜生长的影响。
Building material including concretes, calcareous tuff and glass. 建筑材料包括混凝土、石灰华和玻璃。
Calcareous interbeds are one of the main factors controlling the formation and distribution of remaining oil. 钙质夹层是控制剩余油形成与分布的主要因素之一。
Corals having a horny of calcareous branching skeleton. 由角状的钙质分叉骨骼的珊瑚。
Corals having calcareous skeletons aggregations of which form reefs and islands. 钙质骨骼聚合的珊瑚,能形成礁石和岛屿。
Constitutive Model of Calcareous Sand Structure Interface 钙质砂与结构接触面的本构模型研究
Calcareous sediments accumulated on a sea floor and eventually were compacted and cemented to form limestone. 钙质沉积物堆积在海底,最后压紧并胶结形成石灰岩。
This study investigated chemical element concentrations in calcite, calcareous soil and restored plants in a limestone rocky desertification area in Huaxi, Guizhou Province. 对贵州花溪区石灰岩、石灰土及定居植物中化学元素含量进行研究。