英汉词典

precipitation 基本解释

• n. [化学] 沉淀，[化学] 沉淀物；冰雹；坠落；鲁莽

precipitation 词态变化

precipitation 中文词源

来自precipitate,降水，降雪，沉积。

precipitation 英文词源

precipitation (n.)

late 15c., "a casting down" (of the evil angels from heaven), also, in alchemy "separation of a solid substance from a solution," from Middle French precipitation (15c.) and directly from Latin praecipitationem (nominative praecipitatio) "act or fact of falling headlong, haste," noun of action from past participle stem of praecipitare "fall, be hasty," from praeceps "steep" (see precipice). Meaning "sudden haste" is c. 1500. Meaning "act of falling from a height" is attested from 1610s. Meteorological sense of "rain, snow, dew, etc." is from 1670s.

precipitation 英文释义

1. the quantity of water falling to earth at a specific place within a specified period of time;

"the storm brought several inches of precipitation"

2. the process of forming a chemical precipitate

3. the falling to earth of any form of water (rain or snow or hail or sleet or mist)

4. the act of casting down or falling headlong from a height

5. an unexpected acceleration or hastening;

"he is responsible for the precipitation of his own demise"

6. overly eager speed (and possible carelessness);

"he soon regretted his haste"

precipitation 双语例句

1. an increase in annual precipitation

年降水量的增加

来自《权威词典》

2. Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.

控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降.

来自英汉非文学 - 环境法 - 环境法

3. Guitar's experiments did not stimulate any practical study of the electrostatic - precipitation principle.

吉他的试验均未能激起任何关于电收尘原理的实用性研究.

来自辞典例句

4. Various substances in plant extracts may cause spontaneous or non - specific precipitation.

植物提取液中的各种物质都可能引起自发的或 非 专化性的沉淀.

来自辞典例句

5. Aerial photography can provide valuable information on precipitation, evapotraspiration, interception, and runoff.

航空摄影可提供有关降水量 、 蒸发蒸腾量 、 入渗和径流量的有价值的资料.

来自辞典例句

precipitation 实用场景例句

an increase in annual precipitation

年降水量的增加

牛津词典

The storm brought several inches of precipitation.

暴雨带来了几英寸的降雨.

期刊摘选

Abundant precipitation, dry clear, are unevenly distributed.

降水充沛, 干湿分明, 分布不均.

期刊摘选

Precipitation is product rather than a process.

降水是一种产物,而不是一个过程.

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Pingliang 511.2 millimeters average annual precipitation.

平凉市年平均降水量511.2毫米.

期刊摘选

Analysis of the acidity and chemical characteristics of precipitation in Zhejiang Province.

与浙江省降水酸度和化学特征分析>>相似的文献.

期刊摘选

Hence this is a relatively efficient way of change tendency fore ofand low water of precipitation.

结果表明,大气降水丰枯变化趋势预测是一条较为有效的途径.

期刊摘选

When we generate precipitation by static electricity we can bring about a stable negative ion supply.

当我们由静电时引起降雨雪我们可以达到稳定的消极离子供应.

期刊摘选

In this case, steady precipitation may extend over a l 0 ng distance ahead of the front.

在这种情形下, 稳定性降水可在锋前向前延伸很长一段距离.

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Refractory mortar shall be frequently stirred when used to prevent precipitation or stratification.

耐火泥浆在使用时,应经常搅动,以防止沉淀或分层.

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Statistic was done for the precipitation monitoring data of Hangzhou from 1998 to 2002.

对杭州市1998年—2002年的降水监测数据进行了统计分析.

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Impact of absorbing aerosol on precipitation: Dynamic aspects in association with convective available potential energy and convective.

吸收气溶胶对降水的影响: 与对流有效位能和对流有关的动力学.

期刊摘选

Nearly all the precipitation that falls on the earth results from the cooling of rising air.

几乎落到地球上的所有降水都是由于上升空气的冷却.

辞典例句

The correlation coefficient between accumulated factors and precipitation is better than instantaneous factor.

经检验,用此方法处理的累积因子与降水量之间的相关系数比瞬时因子有明显提高.

期刊摘选

Methods Extract rutin from Sophora japonica L . by the alkali extraction acid precipitation.

方式从槐米中提取芦丁,并将其制备成对照品.

期刊摘选

Waxy crude oil has different viscoelasticities at different temperature for wax crystal precipitation.

含蜡原油在从高温到低温的变化过程中,由于蜡晶析出而具有不同的粘弹特性.

期刊摘选

The lack of underground water resources, about 340 mm annual precipitation, evaporation in 1730 mm.

地下水资源缺乏, 年降水量340毫米左右, 年蒸发量1730毫米.

期刊摘选

In hot rolled state the granular linea sulfide was induced to precipitation of banded pseudopearlite.

相邻呈现断续条状分布的硫化物颗粒在热轧状态诱导伪珠光体析出并呈带状分布.

期刊摘选

Sn precipitation happens in earlier stage of crystallizing.

结晶过程前期锡优先析出.

期刊摘选

But on annealing at 500 ℃, recrystallization is prior to precipitation, and fine grains are obtained.

而在500℃退火时, 再结晶发生在析出之前, 可获得细小的等轴晶.

期刊摘选

The third essential goods is precipitation.

第三个必备品是沉淀.

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Precipitating electrode plate is a key part in electrostatic precipitation equipment.

静电收尘板是静电收尘设备中的关键部件.

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Methods Extract rutin from Sophora japonica L . by the alkali extraction and acid precipitation.

方法从槐米中提取芦丁,并将其制备成对照品.

期刊摘选

an increase in annual precipitation

年降水量的增加

《牛津高阶英汉双解词典》