在溶液中
- 与 在溶液中 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Analogous complexes 3a" and 4a"= CpRu(PPh32, Ar = para-C6H4OMe containing methoxy group at the para-position of gem-diphenyl group were similarly obtained from protonation of the corresponding acetylide complexes via formation of vinylidene intermediate. But only complex 3a'= CpRu(PPh32, Ar2 = fluorenyl is stable in solution, and decomposed to unidentified complex when heated to reflux in THF. Deprotonation of complex 4a in the presence of base gives neutral acetylide complex 6a.
在两个相邻位置的苯基对位位置上接有一甲氧基的衍生物3a"和4a"也可利用类似的质子化反应合成,唯有错合物3a'= CpRu(PPh32, Ar2 = fluorenyl 可以稳定於溶液中,不会进行上述反应,如将其溶於四氢呋喃溶液加热至沸腾则会分解产生无法鉴定的化合物。
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A plot of absorbency versus the total concentration drop of ascorbic acid yields a straight line. The shelf-life of ascorbic acid solution calculated was 444 d (or 152 d) with sodium metabisulfite, indicating that sodium metabisulfite increases the stability of ascorbic acid significantly.
根据建立的动力学方程,从理论上计算得在维生素C溶液中加焦亚硫酸钠时的贮存期分别为444 d(或152 d),表明加入焦亚硫酸钠能显著延长维生素C溶液的贮存期。
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In this paper, based on the previous work experience, microscopic structures of electrolyte solutions and the tecknoledge of fourier transform spectroscopy and theory of quantum chemistry , we reseached on ionic solvation and ion association of the alkaline-earth metal electrolyte solution.
本文在总结前人工作的基础上,以研究电解质溶液微观结构为背景,借助傅里叶变换红外光谱技术和量子化学理论,对碱金属碱土金属电解质溶液中的离子溶剂化和离子缔合作用进行了研究,主要的研究内容如下:1。
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Therefore, the signal of analyte could not be suppressed when using ammonium phosphate in CE/MS.
在酸性条件下,电渗流的速度降到相当低,因此缓冲溶液中的磷酸根阴离子流入质谱的量是非常少的,所以使用磷酸铵的缓冲溶液,并不会严重影响分析物的质谱讯号。
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A simulated crevice corrosion cell was used to study the anolyte within crevice of Steel Cr18Ni9Ti in 3% NaCl sulotion.
采用摸拟缝隙的闭塞电池研究了0Cr18Ni9Ti 奥氏体不锈钢在3%氯化钠溶液中闭塞区内溶液的变化和 Cr存在的形态。
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Biuret test A test for the presence of proteins, in which sodium bydroxide is added to the test solution, followed by drops of 1% copper sulfate solution.
双缩脲试验:鉴定蛋白质存在的试验。在待检测溶液中加入氢氧化钠,然后滴加1%硫酸铜溶液。
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The results showed that 1 there were no significant differences in the rates of cytoplast protrusion and enucleation between oocytes that were incubated in colchicine (0.4 μg/mL) for 0.5 h and oocytes that were incubated in colchicine (0.4 μg/mL) for 1 h, and the rate of cytoplast protusion can be 85.4% while the rate of cytoplast enucleation is 100%. 2 There was no significant difference in oocyte enucleation between oocytes treated with medium containing 0.2 μg/mL colchicine for 0.5 h and oocytes treated with medium containing 0.4 μg/mL colchicine for 0.5 h. 3 A maturation time of 18–23 h did not affect the rates of cytoplast protusion and enucleation by chemically assisted enucleation, whereas the rate of enucleation of oocytes by blind enucleation was found to decrease with a prolonged incubation time. 4 The development rates of reconstructed embryos could not be influenced by these two enucleation methods, increased from oocytes matured for 21–23 h.
结果表明: 1 卵母细胞在0.4 mg/mL的秋水仙素溶液中分别孵育0.5 h和1 h,胞质突起率和去核率没有显著的差异,突起率可高达85.4%,去核率达到100%; 2 0.2 mg/mL或0.4 mg/mL秋水仙素溶液将卵母细胞处理0.5 h,对去核效果没有显著影响; 3 对于体外成熟18~23 h的卵母细胞,随着成熟时间的延长,盲吸法的去核率降低,但没有影响秋水仙素诱导胞质突起的比率和去核率; 4 两种去核方法对重构胚的发育没有产生显著影响,但成熟21~23 h卵母细胞重构胚囊胚的发育率显著高于成熟18~20 h卵母细胞重构胚囊胚的发育率。
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The mechanism of vanadium removal from ammonium molybdate solution by ion-exchange was studied. It is found that V and Mo existing in ammonium molybdate solution are in the forms of V3O(superscript 2- subscript 9) and MoO4(superscript 2-), respectively, when V2O5 concentration is about 0.5g/L and the p!
对钼酸盐溶液离子交换钼钒分离机理进行研究研究结果表明,在钼酸盐溶液中V2O5含量约为0.5g/L,钒与钼在pH值为6.5~8.5的范围内分别以V3O(上标 3-下标 9)和MoO(上标 2-下标 4)的形态存在。
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The solubility of zinc oxide is varied with the changes of the ammonia concentration and the pH, however, the total zinc conc...
氧化锌在氨水溶液中的溶解度随氨水浓度和pH的变化而变化,而当溶液氨浓度为 4mol/L时,总锌浓度 T 保持在 1mol/L左右。
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The results show that:(1) MnO2 deposition on the surface is the main factor resulting in cathode polarization, and the flowing of the solution can remarkably reduce this polarization. Furthermore, the buffered solution can reduce the polarization resulting from H+ concentration difference;(2) it is deduced from the polarization curve that the key factor influencing the performance of MFC is microbial number and metabolic rate and the electron transferring rate from microbial to electrode;(3) the power density arrives at the biggest, 824 mW/m2, when outer resistance is 300 Ω, which is accordance to the inner resistance,(284±18)Ω, deduced from I-V curve;(4) the influences of pH and permanganate concentration on cathode potential is in agreement to Nernst equation.
研究结果显示:(1) MnO2在碳纸表面的沉积是阴极极化的主要原因,而溶液流动可以明显降低极化程度;将高锰酸钾溶解在缓冲溶液中可以进一步降低阴极H+浓差极化;(2)根据极化曲线可以推断,影响电池输出功率的决定性因素应是微生物代谢反应速度和微生物与电极之间的电子传递速率;(3)随外电阻的变化,电池输出功率出现极大值824 mW/m2,相应外电阻为300 Ω左右,这与通过 I-V 关系曲线推导得到的电池内阻(284±18)Ω相吻合;(4) pH值和高锰酸钾浓度对电池阴极电极电势的影响符合Nernst方程。
- 推荐网络例句
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They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.
他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。
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In slot 2 in your bag put wrapping paper, quantity does not matter in this case.
在你的书包里槽2把包装纸、数量无关紧要。
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Store this product in a sealed, lightproof, dry and cool place.
密封,遮光,置阴凉干燥处。