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The modified expression of the broad emission-line profiles ire derived for the outflow kinematics model of the BLR driven by the radiation pressure. Taking into account the difference between the two lines HeI λ5876 and Hβ, it is shown the fact that the observed line width of HeIλ 5876 is broader than that of Hβ cannot be explained by the popular outflow BLR model evoked by W. G. Mathews. For comparison, line profiles of the gravitational infall model and orbital disk model are also calculated; the later is in good agreement with the observations Thereupon, conclusion is reached that the gravitational infall is an important process in the real BLR gas motion.

1推导了辐射压加速宽线云团径向外流，以及引力下落和转动等BLR运动学模型的谱线轮廓表达式，并考虑到光致电离计算表明的云团本身对Hβ和HeIλ5876谱线的辐射差异，用数值方法计算了它们的谱线轮廓，发现普遍流行的辐射加速气体外流模型不能解释HeIλ5876线宽大于Hβ线宽的观测事实，而引力下落模型则可以较好地解释观测，因此我们倾向于认为、径向内流运动很可能是BLR内的发射线云团真实运动的一个重要成分。

The results showed that the kerf width increases with the increase of the power density, pulse frequency and pulse width; the cutting speed is increased and the cutting quality is improved with increasing the pulse frequency.

结果表明，缝宽随激光功率密度、频率以及脉宽的增加而加大；提高激光输出重复频率，不仅有利于提高加工质量，而且可以增大切割速度，提高加工效率。

Conditions of the seepage and stress is a dynamic process, and also shows its interaction and interdependence. Owing to the closure of the fracture, the hydraulic gradient and the permeability pressure of the fracture turn large, and also promote the expansion of water cracks, and fissures connectivity increasing. The increase of the crack opening width will result in the increase of the infiltration capacity and seepage flow, and the reduction of seepage pressure. Because of the dynamic dependence of the fracture aperture, pressure and seepage, under certain conditions, changes in fracture aperture can lead to the formation of local water-passage, and the local emission of high pressure water, and thus promotes the formation of the sudden outgush disasters.

结果表明：洞室开挖完成后，在围岩渗流与应力耦合作用下，围岩中裂隙隙宽、裂隙中水压及其渗透流量的变化是一个动态过程，且相互作用与相互依赖；裂隙的闭合使得结构面水力梯度变大，作用在裂缝上的渗透压力增大，促进导水裂缝扩展，裂隙连通性增加；裂缝张开度增大，渗透能力增强，渗流量增大，其渗流压力相应降低；由于围岩中裂隙隙宽、压力和渗流量的动态依赖性，在一定条件下，裂隙隙宽的改变可导致局部水力通道的形成，高压水头从局部涌出，从而促进突水灾害的形成。

Follicles solitary or paired and widely divergent, ovoid to strongly beaked, often broad at base.

蓇葖果单生或成对和宽分叉，对强烈具喙，通常宽的在基部卵球形。

This lakelet be, perhaps, a hundred yards in diameter at its ''.

这个小湖最宽的地方大概有一百码宽。

Aim at the overdiffuse and subdiffuse of information diffuse estimation, a multi-subject integrated optimization was given to determine diffused window width based on analyzing closest window width means and optimal window width means.

摘 要：针对信息扩散估计的过扩散和欠扩散问题，在分析择近窗宽法和最优窗宽法的基础上，结合二者的优点，提出了一种确定扩散窗宽的多目标综合优化方法。

Using these constants and QFT〓 method, we calculated the N〓-broaden widths of the observed absorption lines for (202) band. Also we obtained the N〓-broaden widths and temperature dependences of lines in the 〓R (1, 1) branch of (202),(122), and (004) bands.

利用这些常数值和QFT方法，分别计算了水汽分子（202）带中已有实验数据的一些谱线的氮分子碰撞加宽线宽，以及（202）、（122）、（004）带〓R（1，1）支谱线的氮分子碰撞加宽线宽，和线宽的温度依赖关系。

Orthographic representation of speech sounds –broad and narrow transcriptions 语音的书写形式-宽式和窄式音标 IPA-International Phonetic Alphabet 国际音标 There are two ways to transcribe speech sounds. One is the transcription with letter-symbols only, called broad transcription. The other is the transcription with letter-symbols together with the diacritics, called narrow transcription

窄式音标。实例：对 pit/spit 中 p 音的比较： pit 中的 p 是送气音，在窄式音标中标为上标，写作： spit 中的 p 是不送气音，在宽式音标中不作标示，写作：对 leaf/feel/build/health 中 l 音的比较： Leaf 中 l 在元音前，叫清晰音，在宽式音标中不作标示，写作： Feel 中 l 出现在单词结尾，叫模糊音，在窄式音标中加变音符号 Build 中 l 出现在另一个辅音前，也叫模糊音，在窄式音标中也加变音符号 Health 中 l 出现在齿音前，受其影响叫齿音，在窄式音标中加变音符号 5。

The invention is a method for designing and preparing binary reinforced damping magnesium alloy having medium rigidity, medium strength, high-medium damping and medium raw material cost, the prepared alloy is beneficial for balancing required elements in practical application, including optimized rigid, wide frequency band, wide strain amplitude, wide temperature zone, strength, enough high-temperature-resistance, creep resistance, toughness, price, anticorrosion treatment and heat processing, and is beneficial for solving the problems in industry, such as lacking of variety of damping magnesium base alloy, selecting and using of rare-earth resource or drawback of substitution.

设计和制备中等刚度、中等强度、上中等阻尼性能和中等原料成本的二元增强阻尼镁基合金的方法，得到的该合金有利于平衡优化刚度、宽频段、宽的应变振幅、宽温度区间、强度、足够耐高温、抗蠕变、韧性、价格、利于防腐处理和利于热加工等实际应用中需求的要素，利于解决工业上可供选择的阻尼镁基合金品种不多以及稀土资源选择利用或替代利用性不足的问题。

With decreasing concentration of PAn, the ESRspectrum of PAn/NMP solution gradually exhibits a hyperfine structure composed of threepeaks indicating the interaction between the spin electron and 〓.

PAn具有顺磁性，固态的ESR谱是一线宽较宽的单峰，而其浓溶液的ESR是一线宽较窄的单峰，随浓度的降低，逐渐出现三重峰的超精细分裂结构。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。