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The compound is an ionic compound consisting of a cation NH(subscript 4 superscript +) and an anion C6H2N3O(subscript 9 superscript -), and it is the mono-substituted salt of TNPG. Since the existence of complicated hydrogen bond networks and electrostatic attraction between NH(subscript 4 superscript +) cation and C6H2N3O(subscript 9 superscript -) canion, the compound possesses better stability and low sensitivity.
该化合物是由一个铵根离子与一个一价的三硝基均苯三酚负离子相结合而形成的离子型化合物,分子中存在的大量氢键及铵根离子与三硝基均苯三酚负离子之间的静电引力使得该化合物具有较高的热稳定性和较低的感度。
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An integral operator I(subscript n+p) defined by Hadamard product is introduced. Making use of this operator, the subclass S(superscript * subscript n+p) of p(superscript -) valent analytic function is defined in the open unit disk, the inclusion relation of S(superscript * subscript n+p+1)S(superscript * subscript n+p) and the best dominant function of differential subordination q1 are obtained. Furthermore, some conclusions are made according to the special parameters A and B.
用Hadamard卷积定义线性算子I,并利用算子I定义在单位圆内的解析的p叶函数类S(上标*下标 n+p),给出了此函数类的包含关系S(上标*下标 n+p+1)S和微分从属的最佳控制函数q1,并根据参数A,B取不同的特殊值得出了相应的推论。
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In order to research dielectric barrier discharge characteristics at characteristics at various exciting voltage peak V(subscript P-P and dielectric thickness l(subscript d, a DBD experiment system was established. Using Q-V Lissajous figure method, the effect of exciting voltage peak V(subscript P-P and dielectric thickness l(subscript d on the main discharge parameters were studied.
为了解介质阻挡放电在不同激励电压峰值V和介质厚度l下的放电特性,通过建立介质阻挡放电试验系统,采用Q-V Lissajous图形法研究了激励电压峰值V、介质厚度l对DBD主要放电参量的影响。
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Major results were summarized as follows:(1) A total of 58 tree species from 53 genera in 36 families among which 8 species were Rosaceae, 5 species were Liliaceae, 5 species were Eriaceae, 3 species were Ranunculaceae, 3 species were Compositae, 2 species were Cupressaceae, 2 species were Caprifoliaceae, 2 species were Umblliferae, and other 28 tree species were only one receptively. These were recorded in the 8 plots of the A. georgei var. smithii forest;(2) Number of families, genera, species and Margalef index correlated negatively with altitude (P.05), with a peak at 3600 m.(3) Shannon-Wiener index correlated negatively with altitude (P.01), and maintained stable at the altitudes between 3700~4100 m, evenness with altitudes, however, this trend was insignificant.(4) Jaccard index increased sharply with increasing altitude at the altitudes between 3600~4100 m, and was lower between different vegetation types at the altitudes between 4100~4200. Cody index β(subscript c decreased with an increasing altitude, but there were 2 troughs between 4000~4100 m and 4200~4300 m.(5) Maximum tree height H(subscript max and HH(subscript max=37 mcorrelated negatively with altitude (P.05); but basal area and BA BA(subscript max=5.3m^2 correlated with altitudes, however, this trend was insignificant.
结果表明:(1)在调查的8个急尖长苞冷杉林样地内共有植物58种,分属于36科53属,其中植物较多的科有蔷薇科8种、百合科5种、杜鹃花科5种、毛茛科3种、菊科3种、柏科2种、忍冬科2种、伞形科2种,其余的28科各只有1个种;(2)物种科、属、种数、Margalef指数D(下标 M与海拔存在显著的负相关性(P.05),在分布急尖长苞冷杉最低海拔3600m处出现物种丰富度的最大值;(3)多样性指数与海拔之间有极显著的负相关性(P.01),并且在3700~4100m之间多样性指数保持稳定;均匀度指数与海拔梯度之间存在负相关性,但不显著;(4)Jaccard指数C(下标 j在海拔3600~4100m随海拔的升高而升高,在生境过渡带的4100~4200m之间Jaccard指数C(下标 j较低;Cody指数β(下标 c随海拔的升高呈下降的趋势,但在4000~4100m和4200~4300m 海拔区间出现2个低谷;(5)最大树高H(下标 max和最大胸径DBH(下标 max与海拔之间存在显著负相关性(P.05);胸高断面积之和和立木密度与海拔之间存在负相关性,但不显著。
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The perturbation formulas of the electron paramagnetic resonance parameters g factors g(subscript //), g(subscript ⊥) and the hyperfine structure constants A(subscript //), A(subscript ⊥) are established for a 3d(superscript 1) ion in tetragonally distorted octahedra, by including the contributions from the p-and s-orbitals as well as the spin-orbit coupling of the ligands based on the cluster approach.
采用离子簇模型,通过分析配体轨道和旋轨耦合作用的贡献,建立了改进的3d1离子在四角畸变八面体中电子顺磁共振参量的微扰公式,能级间距可由重叠模型和局部结构数据给出。
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Especially, in complex 2 the hexacyclic hydrogen-bonded ring adopted a chair conformation is constructed via the hydrogen bonds of Clsubscript 2A…O(subscript 6A…O(subscript 5A)…Cl(subscript 2B)…O(subscript 6B)…O(subscript 5B).
配合物2中由Cl(下标 2A)…O(下标 6A)…O(下标 5A)…Cl(下标 2B)…O(下标 6B)…O(下标 5B)构成的六员氢键环呈椅式构象。
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Solid acid catalysts such as S2O(superscript 2- subscript 8)/TiO2, S2O(superscript 2- subscript 8)/TiO2-ZrO2, SO(superscript 2- subscript 4)/TiO2-ZrO2, SO(superscript 2- subscript 4)/A12O3-ZrO2 were prepared and their catalyst activities for biodiesel production from stillingia oil were evaluated with the same condition.
通过对S2O(上标 2-下标 8)/TiO2、S2O(上标 2-下标 8)/TiO2-ZrO2、SO(上标 2-下标 4)/TiO2-ZrO2、SO(上标 2-下标 4)/A12O3-ZrO2 4种固体酸催化剂的制备,并在同一条件下比较了它们在乌桕籽油制备生物柴油反应中的催化活性。
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PL spectra indicate that the emission bands at 515 and 542 nm correspond to the 2H(subscript 11/2)→4I(subscript 15/2) and 4S(subscript 3/2)→4I(subscript 15/2) transitions of Er(superscript 3+), respectively. In the samples, the cerium dopant exists as Ce(superscript 3+) and Ce(superscript 4+). Ce(superscript 3+) sensitizes Er(superscript 3+) and enhances the luminescence intensity of the doped nanorods remarkably and energy transfer from Ce(superscript 3+)→Er(superscript 3+) was observed.
对发光机理的初步研究表明:发光分别对应于Er(上标 3+)的2H(下标 11/2)→4I(下标 15/2),4S(下标 3/2)→4I(下标 15/2)跃迁,铈离子以Ce(上标 3+)和Ce(上标 4+)两种形式存在于体系中,Ce(上标 3+)对Er(上标 3+)起敏化作用,可以显著增强β-BBO:Er(上标 3+)/Ce(上标 3+)/Ce(上标 4+)纳米棒的发光强度,存在Ce(上标 3+)→Er(上标 3+)的能量传递过程。
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The results show that coal and gangue are involved in the microbial role; the quantity of inoculums is directly related to the quantities of gas and the contents of methane, at the same time it has a certain degree of impact on the contents of NO(superscript - subscript 3)-N, NH(superscript + subscript 4)-N, S(superscript 2-), SO(superscript 2- subscript 4), and metals; moreover, because of the microbial anaerobic fermentation, the contents of NH(superscript + subscript 3) are seriously substandard; overall, the group B which has a smaller proportion of gangue has a less impact to the environment compared to the group A which has a larger proportion of gangue.
结果表明:煤、煤矸石参与了微生物作用;接种物的加入量与产气量和甲烷含量密切相关,并对硝酸盐氮、氨氮、硫化物、硫酸盐和金属也有一定程度的影响;同时由于微生物厌氧发酵的关系,氨氮严重超标;矸石比例较小的B组对环境的影响略小于矸石比例较大的A组。
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The results showed that net photosynthetic rate P(subscript n, transpiration rate T(subscript r, stomatal conductance G(subscript s, intracellular concentration of CO2 C(subscript i, water use efficiency of cultivars and the light saturation point in leaves of 5 cultivars were different and had obvious differences, and the light compensation point was similar. Diurnal change of net photosynthetic rate among cultivars were different, three cultivars showed twin-peaked curve with an obvious midday-depress, others showed single peak curves.
结果表明:不同品种的净光合速率P(下标 n、蒸腾速率T(下标 r、气孔导度G(下标 s、胞间CO2浓度C(下标 i、水分利用率和光饱和点之间的差异明显,各品种的光补偿点均较低;净光合速率的日变化也存在明显的品种间差异,有3个品种呈&中午降低型&的双峰曲线,2个品种呈单峰曲线。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。