pure reagent
英 [pjʊə(r) riˈeɪdʒənt]
美 [pjʊr riˈeɪdʒənt]
【化】纯试剂
双语例句
- Sulphar and chlorine in industrial circulate water were determined by XRF with the spectrum pure reagent, in helium light way.
以光谱纯试剂做标凖系列，氦气光路，XRF法测定工业循环水中硫和氯。 - In this artical, I analyse limit of producing analytically pure methanol in most chemical reagent plant, and introduce a new technique of producing analytically pure methanol.
分析了化学试剂生产厂家通常采用的分析纯甲醇提纯工艺的局限性。 - The chemically pure stronium carbonate could be prepared directly from the industrial grade stronium solution by using a new type of calcium removing reagent.
使用工业上新型的除钙剂，由工业级原锶液，可直接制得化学纯碳酸锶。 - A sef-made simple vessel for addition of liquid reagent is described. The vessel can be used for the preparation of Standard solution of pure liquid reagent and for the standard addition interference experiment of trace liquid reagent.
研制了一种简易液体试剂标准加样容器，可用于纯液体试剂的标准溶液配制及微量液体试剂的加标干扰实验。 - This improved synthetic route is simpler, more efficient and convenient, its additional merits are furnishing more pure product and avoiding the usage of toxic reagent P ( OEt)_3.
该合成工艺缩短了合成路线、简化了操作、提高了收率和纯度，避免了使用毒性大的亚磷酸三乙酯[P（OEt）3]。 - The experimental research of desulphurizing and deashing from coal was carried out using the pure mineral test method and BET, a new reagent for coal floatation.
以BET为新型煤炭浮选药剂，用单矿物实验方法，分别对煤、煤系黄铁矿和煤矸石进行脱硫降灰的试验研究，并以煤炭常用浮选药剂GF，FS202作试验对比。 - The spectral characteristics of pure reagent are displayed by the plot of weight of the principal component vs wave-length.
在主成分权重图上体现了纯试剂的光谱特征。 - Pure water is taken as blank reagent ( control) based on the result of GC-MS test;
根据GC-MS测定分析的结果，决定选纯净水作为本文实验的空白试剂。 - Under above reaction conditions, when the electrodialyzed and concentrated fermentation broth from kitchen garbage is used instead of the pure lactic acid as reagent, the yield ratio of lactide could be 60%.
在此条件下，以厨房垃圾发酵液提取的乳酸为原料合成丙交酯，其产率为60%。 - The new enriching method has been used to determine the trace silver in golden mine, the trace iron, magnesium, copper in the pure sodium chloride reagent.
用本文拟定的方法测定全矿石中的微量银，纯氯化钠试剂中铁、镁、铜等。 - Secondly, the pure water was chose as an extractive reagent to extract the SOD in garlic.
其次采取纯水提取大蒜中的SOD。 - Standard sample and powdered sheeting is made up from analytically pure reagent of known content.
采用已知含量的分析纯试剂配制标准样品，粉末压片制样。 - The methods have applied for the determination of sulfide ion in waste-, river water, human serum, pure metal and chemical reagent etc.
这些方去已被应用于废水、河水、血清、纯金属和化学试剂中硫离子的测定。 - A new technology with effective separation method is introduced in this paper for the comprehensive recovery of ilmenite, rutile, monazite and zircon from beach placer. Research has been done on the behavior& mechanism of these pure minerals reacting with a new reagent.
采用新药剂对海滨砂矿中钛铁矿、金红石、锆英石及独居石纯矿物在浮选过程中的行为和作用机理的研究，提出了用新的有效分离方法综合回收这些矿物的新工艺。