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With pot experiments, the effects of heavy metal Pb, Cd and Cr on the photosynthesis, nutritional quality and food safety of the water spinach Ipomoea aquatica Forsk.

通过盆栽试验，分析了模拟酸雨条件下重金属Pb、Cd和Cr污染对蕹菜和扬花萝卜光合作用、营养品质及食用安全性的影响。

The results showed that the Langmuir equation could be used to describe the Cd(superscript 2+) adsorption isotherm.

结果表明，Langmuir模型适于描述棕壤对Cd(上标 2+)的吸附特征。

The decomposition of ammonium jarosite bearing indium in NaOH medium were studied. The effects of NaOH addition, liquid-solid ratio, decomposition temperature and time on the decomposition ratio of ammonium jarosite were investigated, respectively, and the behavior of impurity elements, such as Zn, In, Cu, Cd, Pb, As, Sb, Sn and Ag in jarosite residues was also discussed.

摘 要：提出NaOH分解含铟铁矾渣新工艺，考察NaOH用量、液固比、温度和时间对铁矾渣分解率的影响，并讨论铁矾渣中杂质金属，如Zn、In、Cu、Cd、Pb、As、Sb、Sn和Ag等在NaOH分解过程中的行为。

The results show that the decomposition rate of ammonium jarosite can reach 98.03% under the following optimum conditions, which are m m=0.381 41, temperature 60 ℃, liquid-solid ratio 21, reaction time 2 h. During the alkaline decomposition, the impurity elements, such as Zn, In, Cu, Cd, Pb, Sb, Sn and Ag are left in the residue, while As is leached into the pregnant solution as AsO43 with leaching rate of 83.36%.

结果表明：在 m m=0.381 41、温度60 ℃、液固比21、反应时间2 h的最优条件下，铁矾渣的分解率达到98.03%，而原料中的杂质金属，如Sn、Sb、Zn、In、Cu、Cd、Pb和Ag等绝大部分留在分解渣中，As则以AsO43的形态大部分进入溶液，浸出率达到83.36%。

InDisc Recovery is an easy CD or DVD data recovery software and supports ISO-9660, UDF and Joliet file system.

简介 ： inDisc Recovery 是一款用于擦伤或者有缺陷的 CD 和 DVD 光槃的数据恢复工具。

P2P Music Jukebox can burn as fast as your CD burner can go.

P2P的音乐点唱机可以烧伤一样快您的CD烧录机可以去。

The 1982 listing of the CD jukebox on a wavelength of 780 nm semiconductor laser. In recent years.

故1982年上市的CD唱机上就采用波长为780nm的半导体激光器。

Main shopping bags, cartoon wallet, CD bag, pencil cartoon pen, green bag, stationery bag kit bag paper bag shopping bag non-woven bag cartoon pen insulation bag student bag student bag fabric gift bag packaging products, information kits Portfolio stationery pen computer bag package of products.

主营购物袋、卡通钱包、CD包、卡通铅笔笔袋、环保袋、手提袋资料袋文具袋购物袋文件袋卡通笔袋无纺布袋保温袋学生包学生袋布料包装制品礼品袋资料袋档案袋文具笔袋电脑包袋包之类产品。

Rolando Villazón has recently signed an exclusive contract with Deutsche Grammophon which has already released the recent Salzburg production of La Traviata in both CD and DVD and which has been one of the most successful complete opera recordings in recent times.

罗兰多·维拉宗与德意志留声机唱片公司签署了独家代理合同，并已发布了萨尔茨堡名作《茶花女》 CD 和 DVD 音像制品，这是当今最完全录制的歌剧作品。

Unlike other cd labeling software, you'll never be locked into a particular brand of label paper.

与其他的CD标签软件，你将永远不会被锁定到某个品牌的标签纸。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。