查询词典 calcareous

Any of numerous radially symmetrical marine invertebrates of the phylum Echinodermata, which includes the starfishes, sea urchins, and sea cucumbers, having an internal calcareous skeleton and often covered with spines.

棘皮动物任一种属于棘皮动物门的许多呈辐射对称状的海生无脊椎动物，包括海盘车、海胆和海参，内部骨架含钙，常覆盖有棘针

Any of numerous radially symmetrical marine invertebrates of the phylum Echinodermata,which includes the starfish es,sea urchins,and sea cucumbers,having an internal calcareous skeleton and often covered with spines.

棘皮动物任一种属于棘皮动物门的许多呈辐射对称状的海生无脊椎动物，包括海盘车、海胆和海参，内部骨架含钙，常覆盖有棘针

Grain size trends show sediment transport towards the central sandbank within the embayment and the seaward end of the deep channel at the entrance. Such patterns are highly consistent with the characteristics of current velocities and geomorphology; they are also in good agreement with heavy mineral movement and spatial distribution patterns of calcareous nannofossils.

沉积物粒径趋势结果显示，胶州湾内的大型垄脊和口门延伸至外海的深槽尾部是两个主要的沉积物汇聚区，这不仅与地貌及水动力相吻合，还与根据重矿物扩散趋势一致；与颗石藻化石空间分布型式亦有一定的相关性。

The mineral composition of typical coal combustion residues in China, including fly ash, bottom ash, slagging and fouling, were investigated by X-ray diffraction, Missbauer spectroscopy and scanning electron microscopy. According to the chemical composition, coal combustion residues can be divided into aluminosilicate, ferruginous and calcareous groups.

利用X射线衍射、穆斯堡尔谱与扫描电子显微镜等方法研究中国典型燃煤煤种的燃烧产物的矿物学特征，揭示出不同化学成分以及不同类型产物中矿物组成的差异性。

Any of the chiefly marine protozoans of the order Foraminifera, characteristically having a calcareous shell ''.

有孔虫一种有孔虫目的大多为海洋的''。'原生'。''动物，以具有''。

The results show that the rate of decolorization of activating calcareous adsorbentis is 99.33%, COD removal rate equals to 85% when the pH 7 for acid fuchsin dye, 10 mg/L initial concentration of dye 10 g/L adsorbent 103.5 mg/L initial COD adsorb 5 min.

结果表明，处理含偶氮结构的酸性品红染料废水，当初始pH值为7、初始浓度10 mg/L、吸附剂用量10 g/L、原水COD 103.5 mg/L时、吸附反应5 min后色度去除率为99.33%，COD除去率为85%。

The orebody is located in a contacting belt between granodiorite of Mesozonic and calcareous-aluminous rocks of Peleozoic,and controled by structure and nature of the rocks.

矿床产于中生代花岗闪长岩和古生代钙铝质岩石的接触带中，矿体受构造和岩性控制。

We investigated the effect of combined application of maize straw, bean haulm, wheat straw and weathered coal on the activity of alkaline phosphate enzyme in calcareous cinnamon soil by means of regression design of 416A-optimization.

本研究采用四因数二次回归 4 1 6A—最优设计方法，通过裸土盆栽试验，在施用少量N、P肥的基础上，研究了玉米秆、豆秆、麦秆和风化煤四种有机物料配合施用对石灰性褐土中碱性磷酸酶活性的影响，建立了上述四个因子与土壤碱性磷酸酶活性之间的数学模型，并分别进行了试验因子的主效应和互作效应的分析

Twelve soil samples from 0~20 cm soil layer were collected from north to south in the Loess Plateau calcareous soil and analyzed for fractionation of organic and inorganic soil phosphorus by Hedley method, amended by Tiessen and Moir.

以黄土高原自北向南采集的12个0~20 cm耕层土壤为供试土样，采用Tiessen和Moir修正的Hedley土壤有机无机磷分级方法研究了黄土高原石灰性土壤中不同形态磷组分的分布特征。

HST is characterized by siliceous limestone-bearing calcareous gravity current sediments, which have the sequences of increased, and incrassate limestone and decreasing and attenuation siliceous rock upwards.

其中孤台层序发育主要受控于相对海平面变化和碳酸盐生产率，台盆层序发育则受构造活动、海平面变化、台缘重力流等因素的综合影响，具多物源特点。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。