我们这里是不二价的。
合成了两个二价的过渡金属磺酸化合物,并通过X-射线衍射单晶结构分析进行结构表征。
Two novel divalent transition metal disulfonates were synthesized and characterized by X ray single crystal diffraction.
显然这看起来是一个问题,因为我们知道实际上,甲烷是四价的,而这告诉我们它仅仅是二价的。
So this should immediately look like a problem because we know, in fact, that methane is tetravalent, and this is telling us it's only divalent.
负二价的硒离子将是等电子的,因为如果你给硒原子加上两个电子,你会得到,和氪原子相同的电子排布。
So, selenium 2 minus is what's going to be isoelectronic, because if you add two electrons to selenium, you'll get the same electron configuration that you have for krypton here.
与古巴的芬莱研究所合作,Bio - Manguinhos正在与世卫组织合作,确保在下一个流行季节之前供应多达1000万剂二价AC群脑膜炎疫苗。
In partnership with the Finlay Institute in Cuba, Bio-Manguinhos is working with WHO to ensure a supply of up to 10 million doses of bivalent ac meningitis vaccine by the next epidemic season.
那么我们称它为第三电离能,或者负的束缚能,还是,2,s,轨道的,但现在我们是从正二价硼离子开始的。
So, what we call this is the third ionization energy, or the negative of the binding energy, again of the 2 s orbital, but now it's in boron plus 2 to we're starting with.
阿玛托说,尽管诸如方铅矿一类的大部分含铅化合物都是不可容的,像羟氯铅矿这样的化合物还是“可以微溶于水,并产生Pb 2 +(二价铅离子)”。
Amatore says that although most lead compounds, like galena, are insoluble, compounds like laurionite 'can dissolve a little bit to produce Pb2 +.'
这颗彗星蒸发的冰中含有氰和二价碳,在太空真空环境下被阳光照射时,两种气体均发出绿光。
Vaporizing ices from the comet included cyanogen and diatomic carbon, both gases that glow green in sunlight out in the vacuum of space.
终变期末有些二价体的同源染色体只在末端连在一起。
Diakinesis bivalents end of some of the homologous chromosomes together only at the end.
这是公司制定的统一销售价,不会有二价。
This is the uniform retail price determined by the company and there shall be no other prices.
在酸碱性土壤中,磷主要以植物难以吸收利用的难溶性二价或三价阳离子的形式存在。
In acid and alkali soil, there are mainly indissoluble bivalent or trivalent phosphates, which cannot be utilized by plants.
渠道内进行着中和作用、铁与铝的沉淀作用及二价铁的氧化作用。
It carries on the neutralization, precipitation of iron and aluminum and ferrous oxygenation alone the channel.
选择硫酸盐-柠檬酸盐体系锌锰合金镀液,研究了阳极、二价锰离子以及连续作用等因素对镀液稳定性的影响。
Herein, zinc-manganese alloy bath containing sulfate and citrate ions was selected, and the effect of anodes, manganous ions and continuous operation on bath stability was studied.
偶线期时,以同源染色体活跃的、特定的配对(联会)为特征,形成了单倍数的二价染色体。
Synapsis (pairing) the association of homologous chromosomes during the prophase stage of meiosis that leads to the production of a haploid number of bivalents.
结果表明,照射后棒状二价体数明显上升,二价体提前分离增多,而二价体的交叉数却呈下降趋势。
The results indicated that both the number of rod bivalents and the number of pre-division bivalents increased markedly after radiation, while the number of bivalent chiasma tended to decrease.
与期望染色体配对模式相比,双二倍体中二价体出现的频率有明显增大的趋势。
Frequencies of bivalents in the amphidiploids tended to increase obviously in comparison with the expected chromosome pairing model of the meiosis.
本尼迪克特溶液是硫酸铜(二价)的堿性溶液,它可以通过还原糖被还原为不溶性的铜(一价)的氧化物,产生红色的沉淀物。
Benedict 's solution is an alkaline solution of copper (ii) sulfate, which is reduced to insoluble copper (I) oxide by reducing sugars, giving a red precipitate.
用离子交换方法制备了铜交换的分子筛,研究了将二价铜还原为一价铜的方法。
Cupric ion exchanged NaY zeolite was prepared. The method to reduce cupric into cuprous exchanged zeolite was studied.
并讨论了二价碘酸盐水化物的稳定性与阳离子电负性的关系。
The stability of hydrated divalent iodates is expected to be related to the electronegativity of the corresponding cations.
本文在总结前人对汉语语序研究的基础上,考察了汉语两千多个二价动词。
This paper, based on a summary of the existing researches on Chinese word order, examines more than 2,000 bivalent modern Chinese verbs.
结论抗原MPT83和MPT64二价基因疫苗有效提高了机体保护效力,对于结核病的防治具有一定的借鉴价值。
Conclusion the divalent vaccine containing the antigens MPT83 and MPT64 effectively heightens the protective efficiency of vaccine against tuberculosis.
利用二价铁离子的联吡啶络合物,示差脉冲伏安法测定土壤中的二价铁离子。
This study attempted to determine ferrous ions through ferrous-bipyridyl chelate by differential pulse voltammetry.
实验表明,所制备的纳滤膜能有效截留二价和多价阳离子,对单价阳离子的截留率极低。
The result showed that bivalent and multivalent cations could be removed effectively, while the rejection of univalent cations was very low.
结果显示配合物3有四边形孔穴的结构,荧光性能显示可以探测二价镁离子。
The results show: complex 3 have a square-like hole and may be employed in probing Mg~(2+) for use in fluoroimmunoassays.
通过实验利用二价铁离子对天然有色蛋白质纤维进行预处理,可以有效的降低损伤,提高白度。
The experiment makes crude protein fiber a pretreatment with ferrous ion. It can increase whiteness and reduce the damage effectively as well.
目前,海藻酸钠与二价钙离子交联反应形成的海藻酸钙凝胶小球作为药物的载体日益受到广泛的应用。
Calcium alginate gel beads were widely used as drug carriers, which were obtained by the gelation of sodium alginate with divalent cation as Ca2 +.
本发明的特征是从锰污染的土壤中分离得到一株对可溶二价锰有氧化作用的芽胞杆菌MK3-1。
The invention is characterized in that the Bacillus sp MK3-1 which has oxidation effect on soluble bivalent manganese is obtained through the separation from soil with the manganese pollution.
所述系统包括与锌或任何目的二价阳离子交联的果胶珠粒,所述珠粒然后用型聚合物包被。
The systems include pectin beads crosslinked with zinc or any divalent cation of interest, which beads are then coated with Eudragit TM -type polymers.
通过顺磁共振的方法证实了反应过程中二价铜和稳定自由基的存在。
The electron spin resonance (ESR) spectrums demonstrated the existence of Cu(II) and stable radicals during the polymerization process.
通过顺磁共振的方法证实了反应过程中二价铜和稳定自由基的存在。
The electron spin resonance (ESR) spectrums demonstrated the existence of Cu(II) and stable radicals during the polymerization process.
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