Trace amounts of molybdenum in water and soil extract samples were determined using a dual column on-line ion-exchange preconcentration FIA-ICP system.
本文采用双柱在线离子交换预浓缩FIA-ICP系统，建立了水及土壤浸出液中痕量钼的测定方法。
But not only is there more ice than anyone suspected, it's also in a form - small crystals mixed with crumbly soil - that make it easier to extract than if it were in massive deposits.
但是不止是那里有比预想更多的冰，冰的形式也出人意料，即团块状土壤中混杂的小晶体，这使得当它们大量存在时更易提取。
To extract it would require digging up much of the moon's upper few feet of soil and baking the soil to release the solar wind-implanted gases.
为了提取它需要挖起大部分的月球表层几英尺的土壤并且烘烤土壤释放出太阳风注入的气体。
The average amount of water reported, if we were to extract it, is about a quart of water per ton (of surface soil).
如果要提取水，每吨(表层土壤)含水量大约为一夸脱。
Plants extract nutrients like minerals from the soil.
植物提取物如矿物质来自于土壤。
They are learning how to extract oxygen and other vital elements from lunar rocks and soil.
他们也在研究如何从从月球的岩石和土壤中提取氧气和其他重要元素。
A sequential extraction technique and atomic absorption spectrometry were used in the study to extract and determine the cadmium forms in 35 farmland soil samples in the suburb of Chengdu.
本研究采用连续提取法和原子吸收法对成都市某郊区基本农田的35份土壤样品中各形态镉进行了提取和测定。
Using acetone adds the water withdraws the atrazine in the soil, than extract with trichloromethane, after concentrated and settle to permit, use the capillary gas chromatography.
采用丙酮加水提取土壤中的阿特拉津，再用三氯甲烷萃取，经浓缩、定容后，用毛细管气相色谱法测定。
After median filtering, image mode transforming, and "bad area" filtrating to images of soil layer, the authors extract the characteristic parameter of a image, that is gray-value, and c.
通过土壤表层图像的中值滤波、图像模式转换和“坏区”过滤，提取图像的特征参数——灰度值，并对土壤表层图像的灰度值与其含水率的关系进行了试验研究。
By K-T transform, the information of soil salinization can be extruded, it is benefit for us to extract soil salinization information. So, it is useful to improve the classification precision.
经过K - T变换后能够使盐渍土壤的信息表现得比较突出，有利于盐渍土信息的提取，对于土壤盐渍化的分级精度的提高很有意义。
In recent years, seaweed extract has been increasingly used as fertilizer, soil conditioners and plant growth modifier in agricultural production.
近年来，海藻提取物作为肥料、土壤调理剂、植物生长调节剂等越来越多地应用在农业生产中。
The study on the constitute change of the concentration of soil water extract had great significance to research on the soil mechanism of fertilizing undecomposed corn.
土壤浸提液浓缩过程中物质成分变化的研究，认识玉米残体培肥土壤的机制也有重要意义。
As soil water extract contains much water-soluble organic selenium and organic matter, the determination of soil water-soluble selenium should be concentrated and digested beforehand.
由于水溶性有机态硒及有机质的存在，准确测定土壤水溶性硒宜经浓缩、消化处理后进行。
The organic contents of fertilized soil increased by the research of soil water extract.
通过对玉米残体培肥后土壤水浸提液的研究可知，培肥后土壤有机质的含量增加。
How to successfully and accurately extract information on atmospheric and soil constituents through inversion analysis is the hotspot and frontier.
如何精确而成功地反演地表或大气组分参量信息是定量遥感研究的热点与难点。
How to successfully and accurately extract information on atmospheric and soil constituents through inversion analysis is the hotspot and frontier.
如何精确而成功地反演地表或大气组分参量信息是定量遥感研究的热点与难点。
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