precipitation form的例句大全

In the polyvinyl alcohol ( PVA) medium, potassium can react with sodium tetraphenylboron to form a stable colloidal precipitation. Beer's law is obeyed in the range 0~ 1.0 mg/ 25 mL.

研究了在聚乙烯醇介质中，利用钾离子与四苯硼钠形成稳定的胶体沉淀可测定钾含量，钾量在0～1.0mg/25mL范围内符合比耳定律。

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Diagenesis and mineralization of the metallogenetic series occurred in tectonic environment of the subduction of pacific plate lead to crust thickening, material source of diagenesis and mineralization is from the lower crust or upper mantle and ore-forming fluid is derived meanly from atmospheric precipitation and partly magmatic.

该成矿系列成岩成矿作用发生于太平洋板块俯冲体制下的地壳加厚构造环境，成岩成矿物质主要来自下地壳或上地幔，成矿流体主要来自大气降水，部分来自岩浆。

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the aph ( 3') inhibitor 85& 39 was isolated by precipitation with acetone from the broth filtrate and then extracted with distilled water. the active component was purified by column chromatography on cm-sephadex c-50 ( nh_4~+ form).

分别采用丙酮沉淀、硫酸铵分步沉淀和柱层析技术从链霉菌8539发酵液中分离、纯化出APH（3′）抑制剂8539，并对其部分理化性质进行了测定。

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Materials source of diagenesis and mineralization comes from crust and the ore-forming fluid is meanly from and magmatic and atmosphere precipitation.

成岩成矿物质主要来自地壳，成矿流体主要来自岩浆，部分来自大气降水。

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In double immunodiffusion, it reacted with antiserum against serum DBPs from mice with Ehrlich Ascites Carcinoma to form one precipitation band, but did not react with antiserum against serum DBPs from normal mice.

在免疫双扩散反应中，它与抗艾氏腹水癌患鼠血清DNA结合蛋白的兎抗血清反应形成一条沉淀线，但与正常小鼠血清DNA结合蛋白的兎抗血清不形成沉淀线。

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The nano TiO2 powder has been made by water-heat reacting precipitation process. The determination of diameter. Phase analysis and the observation of form and face of TiO2 powder have been made by x-ray diffractometer and TEM.

采用水热反应沉淀法制备纳米TiO2粉体，并用X射线衍射，TEM对其进行粒径测定、物相分析和形貌观察。

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Most intercepted precipitation vaporizes except 0.3% of it enters into the forest in the form of stem flow.

林冠截留的降水除近0.3%以树干茎流的形式输入林内外，其他全部被蒸发消耗。

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e waste etching liquor discharged by a circuit plate factory was treated first by precipitation to recover most of copper in form of copper hydroxide, and then treated by adding hydrazine hydrate to remove further copper.

将电路板厂废弃的蚀刻液，经氢氧化铜沉淀法回收大部分铜后，再采用水合肼还原，进一步除铜。

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H-O isotope geochemical characteristics reflect that the ore-forming fluids come mainly from magma, and atmospheric precipitation increased in the ore-forming fluids from early to late stage.

矿床H-O同位素地球化学特征反映成矿流体主要来源于岩浆，从成矿早阶段向晚阶段演化，大气降水混入不断增加。

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It is found that Ge not only can promote the out-diffusion of oxygen and form wider DFZ in Ge-Doped CZSi wafer than that in the control sample, but also can suppress the formation of precipitation.

发现直拉硅中杂质锗的存在可促进氧的外扩散，抑制氧沉淀的发生并可形成较宽的清洁区。

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Form scale parameter we can see that probability of precipitation of rain day become bigger on the middle and lower reaches of Changjiang River, and discrepancy between upriver and the middle and lower reaches of Changjiang River also become bigger, the other areas change unapparent.

而由尺度参数推得长江中下游地区日降水量大的概率增大，且与长江上游降水量相差幅度变大，其他地区变化不显著。

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low-level cyclone circulation with high-level anti cyclone circulation, is helpful to form low-level convergence and high-level divergence, and make the rising airflow nearby cyclone keep and strengthen so that have offered necessity condition for convection precipitation.

低层的气旋性环流和高层的反气旋性环流相配合，有利于形成低层辐合，高层辐散，使得气旋附近的上升气流得以维持和加强，从而为对流性降水提供了必要条件。

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under the circumstances , gypsum or anhydrite could accumulate to form beds many meters thick , without any co - precipitation of halite.

在这种环境下，石膏或硬石膏可以堆积成许多米厚的岩层，而没有任何石盐伴生沉淀。

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The Mineralization all the processes of the origin, transport and precipitation of ore-forming matter.

成矿作用包括成矿物质的来源 、 搬运及沉淀的全过程,其中最活跃的因素为成矿流体.

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