钠
- 与 钠 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Results: The percentages of patients with serum drug concentrations within the effective ranges after single first-line antiepileptic treatment were significantly different (P.01), with sodium valproate, phenobarbital, carbamazepine and sodium phenytoin being 75.2%, 67.3%, 53.1% and 20.8%, respectively.
结果:各药在有效血药浓度范围内的病例百分率差异显著(P.01),分别为丙戊酸钠75.2%、苯巴比妥67.3%、卡马西平53.1%、苯妥英钠20.8%。
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The effects of solvents and salts on the formation of a third liquid phase, distribution of catalyst, reaction mechanism and reaction rate in the reaction between n-butyl bromide and sodium phenolate with tetrabutylammonium bromide as a phase transfer catalyst were investigated.
中文摘要本文系针对以溴化四丁基铵为相间转移触媒催化正溴丁烷与酚化钠之反应,研究溶剂种类及盐类与碱类之添加量对形成第三液相、触媒分布、反应机构及反应速率之影响,被测试之溶剂包括氯苯、甲苯与正己烷,而在盐类与碱类效应的研究中,则测试溴化钠与氢氧化钠。
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There was a significant difference between phyllome and root for the distribution of Na in different varieties; In KWS0143 and PRESTIBEL, the Na distribution in root was higher than that in phyllome, but that of NongDaTianYan4 and BaoYu 302 were contrary.
植株中钠素累积量农大甜研4号与KWS0143皆高于包育302和PKESTIBEL,叶丛中累积总量高于块根;不同品种钠素累积量分配在叶丛和块根中的差异较明显,KWS0143和PRESTIBEL分配到块根的大于叶丛,而农大甜研4号和包育302与之相反。
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With regard to the biological activities of paeonol and sodium paeonol sulfonate, we studied their inhibitory effects on phytopathogen and their activities of scavenging O2-and OH.
实验结果显示,丹皮酚磺酸钠的纯度为99.4804%,化学结构为2-甲氧基-4羟基-5-乙酰基苯磺酸钠。
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The contrast experimental analyses on the spray voltage, pinhead size and other influential factors are carried out.
在初步试验的基础上,利用正交试验的方法考察了海藻酸钠,羧甲基纤维素钠以及氯化钙的浓度对成囊过程中微胶囊膜厚,粒径等的影响。
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Any of a group of abundant rock-forming minerals occurring principally in igneous , plutonic, and some metamorphic rocks, and consisting of silicates of aluminum with potassium, sodium, calcium, and, rarely, barium.
"任何一组由大量岩石形成的矿物,主要存在于火成岩、深成岩以及一些变性的岩石中,含有钾、钠、钙及极少的钠的铝硅酸盐,地球的外层地壳中约百分之六十是长石。"
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Any of a group of abundant rock-forming minerals occurring principally in igneous, plutonic, and some metamorphic rocks, and consisting of silicates of aluminum with potassium, sodium, calcium, and, rarely, barium.
长石任何一组由大量岩石形成的矿物,主要存在于火成岩、深成岩以及一些变性的岩石中,含有钾、钠、钙及极少的钠的铝硅酸盐,地球的外层地壳中约百分之六十是长石
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Any of a group of abundant rock-forming minerals occurring principally in igneous, plutonic, and some metamorphic rocks, and consisting of silicate s of aluminum with potassium, sodium, calcium, and, rarely, barium.
"任何一组由大量岩石形成的矿物,主要存在于火成岩、深成岩以及一些变性的岩石中,含有钾、钠、钙及极少的钠的铝硅酸盐,地球的外层地壳中约百分之六十是长石。"
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Any of a group of abundant rock - forming minerals occurring principally in igneous,plutonic,and some metamorphic rocks,and consisting of silicate s of aluminum with potassium,sodium,calcium,and,rarely,barium.
长石任何一组由大量岩石形成的矿物,主要存在于火成岩、深成岩以及一些变性的岩石中,含有钾、钠、钙及极少的钠的铝硅酸盐,地球的外层地壳中约百分之六十是长石
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Pillared montmorillonite, as a representative of Sandwich like pillared interlayered clays ,caught many scientist"s attention not only because of its special structure of two-dimensional sheets but also its excellent activity of catalysis and adsorption. It is well documented that the method to prepare PILM, ion-exchanging, needed a long periods and was affected by many factors, and that the product had low thermal stability especially hydro-thermal stability which was the primary obstruction of its using in large-scale production. At the same time, PILM was well documented prepared with Na-montmorillonite, while there were a few documents about PILM prepared with Ca-montmorillonite. The large cost of remodel of Ca-montmorillonite to Na-montmorillonite was another obstacle of the application of PILM, while Ca-montmorillonite was widely distributed in nature, as a result, to prepare PILM with Ca-montmorillonite has practical significance. What"s more, PILM was mainly studied as a catalyst in oil refining process till now, but rarely documented in other catalysis reactions, especially in coal liquification filed which also needed high activity catalyst.
以柱撑蒙脱石为代表的具有"三明治"结构的柱撑粘土矿物因其特殊的二维孔道结构和优良的催化和吸附性能近年来成为国内外广泛关注和研究的热点,但是目前国内外大量报道的PILM制备大多采用离子交换法,生产周期很长,影响因素很多,并且产物热稳定性不够高,特别是水热稳定性较差,这是其不能在实际中大规模生产和应用的主要障碍,因此制备一种高稳定性的PILM意义非常;文献中大量报道的都是钠基蒙脱石合成的柱撑粘土矿物,传统的离子交换法必须将钙基蒙脱石钠化改型,其成本相当高,而自然界中大量存在的却是钙基蒙脱石,直接用钙基蒙脱石合成柱撑粘土矿物有很现实的意义,但目前这方面的报道却很少见;另外,迄今为止,PILM作为催化剂的研究领域主要在石油的炼制中应用,而在煤炭的液化中却鲜有报道,如果能在煤炭转化领域应用这一成果,其影响也将是相当大的。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。