查询词典 precipitation

In the course of groundwater towards the center of the depression cone, not only the dissolution of calcite, dolomite and hematite, the precipitation of siderite and melanterite may occur, but also the cation exchange between Na+ and Ca2+, Fe oxidation- reduction of Fe may occur.

地下水在向降落漏斗中心区的径流过程中，不但发生了方解石、白云石和赤铁矿的溶解作用以及菱铁矿和水绿矾的沉淀作用，而且发生了Na+与Ca2+的交换、铁氧化-还原反应等一系列复杂的水-岩作用。

In the course of groundwater towards the center of the depression cone, not only the dissolution of calcite, dolomite and hematite, the precipitation of siderite and melanterite may occur, but also the cation exchange between Na(superscript +) and Ca(superscript 2+), Fe oxidation-reduction of Fe may occur.

地下水在向降落漏斗中心区的径流过程中，不但发生了方解石、白云石和赤铁矿的溶解作用以及菱铁矿和水绿矾的沉淀作用，而且发生了Na与Ca(上标 2+)的交换、铁氧化－还原反应等一系列复杂的水－岩作用。

The enrichment of minerals such as siderite and pyrite, which are sensitive to geochemical environment, in the transitional zone indicates that the geochemical environment is neutral-acidic and reductive and is propitious to the precipitation of uranium.

过渡带中菱铁矿(FeCO3)和黄铁矿(FeS2)等对地球化学环境敏感的矿物的富集，指示了有利于铀成矿的中性-弱酸性、还原的地球化学环境。

Clouds are sometimes seeded with silver iodide to induce precipitation .

人们有时在云里播撒碘化银，以诱使降雨。

All single step method and CTAB method did not work well when banana total RNA was isolated, unless modified single step method was used, in which, polysaccharide was removed by aether extraction prior to RNA precipitation.

对于富含多糖的香蕉果肉，一步法和CTAB异硫氰酸胍法的效果均不理想；改良后的一步法中增加了乙醚去除多糖并获得了较好的效果。

Spring precipitation in North China ; Indian Ocean sea surface temperature ; singular value decomposition

华北地区春季降水；印度洋海温SVD分析；合成分析

A terrains sloe and direction may be computed relative to a plane though the elevation model points. Slope degrees and direction are useful in simulations of precipitation runoff and in defining drainage areas . The triangle terrain model, which comprises sloping triangular surface, is ideal for simulating terrain surface conditions .

坡面和坡面方向是可以藉由三角形的三个角的座标来计算出来，坡度通常是用度数或者百分比的关系来表达和水平之间的关系，坡度方向度数的表示几乎是从北边开始。

Three methods were used to prepare basic lithium phosphate, of which the deposition-precipitation method using sodium phosphate as raw material and the mixing method was better.

用三种方法制备碱性磷酸锂催化剂，其中以磷酸钠为原料的沉积沉淀法与机械混合法制备的催化剂性能较好。

Determination of content of sodium sulfate in mirabilite by precipitation analysis has been reported.

报道了用沉淀滴定法测定芒硝中硫酸钠的含量，在pH值为 1～ 2的硝酸介质中，以 80 %的乙醇作溶剂，偶氮氯膦Ⅲ为指示剂，用氯化钡标准溶液进行滴定。

Waxy crude oil ; Shesring ; Solidifying point ; Wax precipitation

石蜡基原油；凝固点；剪切作用；蜡沉积

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。