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It was discovered that this modified kaolin had ideal capability of removing arsenic from water because of its giant active surface and coordinate action, intensify, for arsenate ions AsO(superscript 3- subscript 4 and Fe(superscript 3+) fixed on the framework, and achieving the aim of removing the minimal content of arsenic from the water.
以高岭土为原料通过碱熔合成得到类似于分子筛的笼状骨架结构,并将Fe(上标 3+)通过离子交换吸附,负载在其骨架上,实现改性;利用改性后的吸附剂具有大的活性表面积,以及砷阴离子AsO(上标 3-下标 4与Fe(上标 3+)的强配位能力,实现了基于配体交换的固液分离的从微量含砷水中去除砷。
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After the DHX process was used on the light hydrocarbon unit to recover C3(superscript +) compound, it had a good result that the recovery rate of C2 compound was higher in the same operation conditions. And the liquid ethane could be used as the cryogen and absorbent to increase the recovery rate of C3(superscript +) compound and decrease the energy cost greatly at the same time.
以回收C3为目的轻烃装置采用DHX工艺(DHX塔闪蒸+脱乙烷塔分馏)后,在相同工况下能使C2获得更高冷凝率,并通过液态乙烷的制冷剂和吸收剂作用使C3收率大幅提高,达到节能降耗的同时也提高了C3收率。
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The color reaction of Zn(superscript 2+)-SCN(superscript -)-crystal violet in the presence of β-cyclodextrin and arabic gum has been studied and a new spectrophotometric method has been developed for the determination of zinc in water.
研究了在β-环糊精和阿拉伯树胶存在下,锌与硫氰酸盐和结晶紫的显色反应,建立了光度法测定水中微量锌的新方法。
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Distribution of IgM(superscript +) and ANAE(superscript +) T Cells in Spleen, Head Kidney and Thymus of Hunphead Snapper Lutjanus sanguineus Cuvier
红笛鲷脾脏、头肾和胸腺中IgM细胞与ANAE T细胞的分布,李珠;吴灶和;简纪常;鲁义善-66文免费论文库,大学生论文库
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Results indicated that, ABA and BA-possessed activity of cytokinin play an important role in controlling the distribution of Na(superscript +), K(superscript +) and proline in leaves at different nodes.
实验结果表明,ABA和具有细胞分裂素活性的BA是调控Na、K及游离脯氨酸在不同层位叶中分配的重要因素。
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Objective To explore the in vitro isolation of β2m(superscript -)/Thy-1(superscript +) bone marrow-derived liver stem cells which bear double features of stem and liver cells from bone marrow stem cells as so to provide suitable donor cells for the treatment of liver diseases by cellular transplant.
目的 尝试从骨髓干细胞中分选出具备干细胞和肝细胞双重特性的β2m/Thy-1骨髓源性肝干细胞亚群,为细胞移植治疗肝病提供合适的供体细胞。
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The calculated results indicate that there are two absolutely opposite regions in the vicinity of 5-FU. In one of the regions, water molecules can assist the tautomerism from 5-FU to its enol form 5-FU(superscript *, whereas in another region, water molecules can protect 5-FU from tautomerizing to 5-FU(superscript *).
研究发现,在5-氟尿嘧啶周围存在两类不同的区域,在其中一类区域中,水分子能促进质子转移的发生;而在另一类区域中,水分子却能阻碍质子转移的发生。
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The maximum horizon can not only extend F oil layer, but also can extend Y oil layer. The oil-gas shows of FY oil layer now distribute in the oil-gas supplying areas of Kl q(superscript 1 subscript n) sourcerock into FY oil layers. It indicates that the oil-gas supplying of K1 q(superscript 1 subscript n) sourcrock to FY oil layers controls the accumulation and distribution of oil-gas in F, Y oil layers.
目前滨北地区扶杨油层见到的油气显示均分布在青一段源岩生成的油气向扶杨油层"倒灌"运移的区域内,表明青一段源岩对扶杨油层供给油气作用对扶杨油层油气成藏与分布有着重要的控制作用。
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B using press-volume technique, this paper studied the seasonal changes of water potential at saturated point (Ψ, water potential at turgor loss point (Ψ relative osmotic water content at turgor loss point ROWC(superscript thp, relative water content at turgor loss point RWC(superscript tlp, relative content of apoplastic water, bound water/free water V(subscript a/V, and the difference between (Ψ and (Ψ of Reaurnuria trigyna growing on heavy solonchack, non-salinized soil, and saline soil.
运用压力容积技术,研究了4种盐分生境下长叶红砂饱和含水量时最大渗透势Ψ(上标 sat 下标 s、初始质壁分离时的渗透势Ψ(上标 tlp 下标 s初始质壁分离时渗透水相对含量ROWC(上标 tlp、初始质壁分离时的相对含水量RWC(上标 tlp、质外体水的相对含量、束缚水与自由水的比值V(下标 a/V,以及饱和含水量时最大渗透势与初始质壁分离时的渗透势之差的季节变化。
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The relative molar concentration ratios of c(superscript * subscript NO)/c(superscript * subscript NO2) changes as the temperature and pressure change. These results reveal that the two competitive reactions of C-NO2 homolysis (to form NO2) and isomerization may occur during the fast thermolysis of DNTF. NO formation from the cracking of furazan or furoxan rings may be limited by pressure.
结果表明,DNTF快速热裂解的主要产物CO、CO2、NO和NO2的相对摩尔浓度c与温度和压强有关,通过分析相对摩尔浓度比c(上标*下标 NO/c(上标*下标 NO2)随温度和压强的变化,揭示了DNTF中碳硝基C-NO2存在均裂生成NO2和异构化生成NO两条竞争分解的可能途径,同时压强可能抑制呋咱环和氧化呋咱环生成NO的可能性。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。