The results suggested that a low content of TCB and NAP would significantly influence the growth of rice seedling,presenting an important suggestion for water quality management during rice seedling period,and root length could act as an inference plant morphologic indicator for organic incident of TCB or NAP.

研究結(jié)果顯示，水中微量的1欧美成视频在线，2无水操又黄片，4-三氯苯和萘均會明顯影響水稻幼苗的生長，這對水稻育秧期水質(zhì)管理具有重要的參考意義www.色视频在线，同時成Aⅴ人视频在线l免费观看，根長可作為確定有機(jī)污染物發(fā)生事件的植物形態(tài)學(xué)參考指標(biāo)。

A kinetic spectrophotometric method for the determination of trace oxalate was established, based on its inhibitory effect on the catalytic oxidation of indigo carmine with potassium bromate in the presence of V in 5 mmol/L H3PO4 media.

基于在5mmol/L磷酸介質(zhì)中手机在线看片91，草酸根對釩催化溴酸鉀氧化靛藍(lán)胭脂紅褪色反應(yīng)的抑制作用女人张开腿让男桶爽视频动漫，建立了一種阻抑動力學(xué)光度法測定微量草酸根的新方法。

The minim Cd ions and Cr ions are kinds of injurants in drinking water, which is need removed for human.

飲用水中微量Cr和Cd重金屬離子是需要脫除的一類有害物質(zhì)99日韩一区二区三区中文。

This machine shatters tiny amounts of a sample into its component atoms, ionises those atoms in order to give them an electric charge, and then uses that charge to attract the atoms along a tube.

這個機(jī)器將微量樣品粉碎成原子吹潮视频在线播放，電離化使其帶電荷，然后順著管道利用電荷吸引原子一区二区免费暧暧视频。

And traces of iron,zinc,calcium carbonate.

微量的鐵鋅碳酸鈣

The analytical method of spectrophotometric determination of trace impurities such as calcium + magnesium, iron, sodium chloride, silicon dioxide in deionized water is described in details, with which we have detected the deionized water and has proved that it can meet the need of industrial processing because it is simple,fast and durable.

詳細(xì)描述了用分光光度計(jì)測定去離子水中的微量Ca2++Mg2+97久久综合亚洲色HEZYO，F(xiàn)e3+，NaCl和SiO2等雜質(zhì)的分析方法无码四区精品，利用該方法對去離子水進(jìn)行測定A片免费网在线观看网址入口，證明該檢測方法簡便、快速看一级操逼国产、實(shí)用免费观看黄、色一级视频，能夠滿足生產(chǎn)需要；通過大量的實(shí)驗(yàn)數(shù)據(jù)欧美老妇性挿肛，總結(jié)出規(guī)律3d全彩无码无遮挡肉肉，降低了分析頻率，減少了生產(chǎn)成本思思热99视频。

This method, which can be used to detect isoniazid, can be clinically used to detect the drug concentration in the urine of TB patients.

該方法可靈敏測定微量異煙肼亚洲一区二区三区四区五区免费在线观看视频，可用于臨床結(jié)核病患者藥物濃度的監(jiān)測。

The results indicated the ally1 carbon of cyclohexene was catalytically oxidized by molecular oxygen at atmospheric pressure in the presence of the polymer complex and a trace of HOAc at 70℃, which afforded corresponding alcohol, ketone and hydroperoxide acting as intermediate.

結(jié)果表明日韩一日韩欧美中文字幕，70℃時啪啪亚洲，以微量醋酸為添加劑，在催化劑的催化作用下www.亚洲欧洲，以常壓氧氣氧化環(huán)己烯久久免费视频A级，得到烯丙基位的氧化產(chǎn)物環(huán)己烯醇、環(huán)己烯酮和中間產(chǎn)物環(huán)己烯過氧化氫黄色视频怎么搜才好看。

The trace amount of impurities,namely C5,tert-butyl alcohol,di-secondary butyl ether,methyl ethyl ketone and secondary butyl alcohol,in C4 hydrocarbon from butylene hydration tail gas were analysed by means of gas chromatograph with a column packed with sebaconitrile and polyethylene glycol-20M,and liquid-phase admission valve.

2m×4mm為填充柱中文字幕在线观看网止，采用液相進(jìn)樣閥液態(tài)直接進(jìn)樣的填充柱氣相色譜法分析了丁烯水合尾氣C4烴中的C5欧美嗷嗷叫、叔丁醇、二仲丁醚www.色呦呦、甲乙酮及仲丁醇等微量雜質(zhì)的含量亚洲黄色网站视频网站。

Now, the company admits that the epoxy liners in its bottles used to contain trace amounts of BPA.

現(xiàn)在，公司承認(rèn)在它的這個水壺里面的環(huán)氧襯里里面曾經(jīng)含有微量的BPA一级做a爱片久久毛片看看精品。