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- It is these, fossilised, that form rocks such aschalk andlimestone. 也正是这些物质，形成了诸如白垩和石灰石的化石。
- It is these, fossilised, that form rocks such as chalk and limestone. 就是这些生物的外壳或骨骼石化形成了诸如白垩石、石灰石之类的岩石。
- A view of a model protocell with a fatty acid membrane and chemically formed strands of DNA. 最初的生命，让我们用一种全新的眼光去看待它吧！
- After mud, gravel, and sand sediments were deposited and formed rock layers over time, uplift raised the region. 在泥浆，碎石，和砂的沉淀物储存随着时间的推移形成岩石地层之后，高抬升起的区域。
- We are interested in import chemicals form your side. 我们有意从你方进口化工产品。
- The presence of orientational differences in reservoir rock permeability, called anisotropy, is related to the arrangement of particles that form rocks. 储集层岩石的渗透率性质存在方向上的差异，此即各向异性性质，该性质与组成岩石颗粒的排列有序程度有关，排列有序程度越强，各自异性越严重；
- A naturally occurring chemical formed during the oxidation of epinephrine. 肾上腺素红在肾上腺素氧化过程中自然形成化学物质
- A secondary air pollutant is a harmful chemical formed in the atmosphere through a chemical reaction among air components. 另一类污染物则是通过大气组分间所发生的化学反应而形成的有害化学物质。
- Cyanobacteria convert light into chemical forms of energy. 蓝绿藻将光转化为化学的能量形式。
- The soluble concentration of arsenic is dependent upon both chemical form and wastewater PH. 砷的溶解度取决于其化学形态和废水的PH值。
- Based on the theory of forming rock within outside f orce,researching new technology and new theory to make compound material with pa per-making wastes and flyash. 根据外营力自然成岩理论，探讨了利用造纸废物与粉煤灰生产复合材料的新理论、新工艺。
- Based on the theory of forming rock within outside force,researching new technology and new theory to make compound material with paper making wastes and flyash. 根据外营力自然成岩理论,探讨了利用造纸废物与粉煤灰生产复合材料的新理论、新工艺。
- Any of various,often explosive chemicals formed by attachment of ozone to the double bond of an unsaturated compound and used in analytical chemistry to locate such bonds. 臭氧化物，任一种有爆炸性的化学物质，由不饱和化合物的双键上添加臭氧形成的，并用在分析化学中确定这些键的位置。
- Uranium and thorium in physical or chemical form or the mixture of uranium and thorium, excluding the nuclear fuel indicated in Article 3. 二任何物理或化学形式之铀、钍或二者之混合物；但不包括第三条所指之核子燃料在内。
- Any of various, often explosive chemicals formed by attachment of ozone to the double bond of an unsaturated compound and used in analytical chemistry to locate such bonds. 臭氧化物任一种有爆炸性的化学物质，由不饱和化合物的双键上添加臭氧形成的，并用在分析化学中确定这些键的位置
- The chemical form of trace heavy metal thallium in sediment core from Pearl River was studied by the ICP-MS method and sequential analysis. 摘要利用ICP-MS测定技术和分级提取形态分析手段对珠江某处沉积物中痕量重金属铊的化学形态进行了考察。
- Widely distributing,almost occurs in various geologic conditions.They are dominant mineral for formming rock, as well as important mineral for composing many metallic or nonmetallic deposits. 分布极广，差不多在各种地质作用中都有产出，是各类岩石的主要造岩矿物，同时也是构成许多金属和非金属矿床的重要矿石矿物。
- The paint is sold in powdered form. 该油漆以粉制品形式出售。
- The planes formed up over the airfield. 飞机在机场上空排成队列。
- Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
