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The effect of injection advance angle on spray,combustion and soot formation was investigated.

介绍了采用同步双成像技术研究供油提前角对直喷式柴油机喷雾、燃烧和碳粒变化历程影响的研究结果。

In order to further understand the effect of deviation angle on the vertical resolution of the compensated neutron log, Monte Carlo simulation method was applied to study the vertical geometrical factors and formation sensitivity under different deviation angle conditions, furthermore the responses of the tool were simulated in laminations.

为了进一步认识井斜角对补偿中子测井纵向分辨率的影响,利用蒙特卡罗模拟方法,分析了在不同井斜角情况下测井仪器的纵向几何因子和地层灵敏度,并模拟了在薄地层中的仪器响应。

The stress distribution on the wall of directional well is analysed, and a borehole stability model for the formation with dip angle in directional well is established. The influences of dip angle and trend on borehole stability are discussed.

建立了弱面地层数学模型,分析了斜井井壁岩石应力状态,推导出了井壁岩石最大主应力与低强度地层法向夹角的计算公式,建立了用于大倾角地层钻井液密度安全下限的力学模型,详细分析了倾斜地层的倾角和走向对井壁稳定性的影响。

The cause and formation of the torsion angle of oblique supporting arm of radial gate in Dayuandu Junction are introduced.

介绍大源渡枢纽弧形闸门斜支臂扭角的起因及其形成,并推导斜支臂扭角的计算公式,论述斜支臂与支铰两种不同相接形式下斜支臂的受力情况。

Meanwhile, the concentration of Pb,Zn and other heavy metals is rather high in the oxidation zone and decreasesdownward to levels that are unbelievably low for Pb-Zn mine tailings. Theseobservations suggest that heavy metals should be re-immobilized by secondaryminerals, rather than primary minerals, in the oxidation zone, and could be leachedout from suboxic environment due to low rate oxidative dissolution which preventsthe precipitation of secondary minerals in significant amount. Thus, cover scenarioswhich establish a suboxic environment beneath the cover layer might not always beeffective in preventing heavy metal release from mine tailings.Sequential extraction studies indicate that, in addition to heavy metal leaching,oxidation of the mine tailings increased the mobility of residual Zn, and Cu, while Pb remains immobile due to the formation of anglesite (PbSO4). Using the seven-step extraction technique developed by Dold (J. Geochem. Explor., 2003, 80: 55-68), galena dissolves in significant amount at step 2 most probably due to the strong complexing of Pb2+ by acetate, while other metal sulfides dissolve at step 6, which suggest that this extraction technique could not be used to evaluate the mobility of lead in natural environment

重金属含量均低于新鲜尾矿,但以硬化层中的含量最高(Pb、Zn含量分别为0.47%和0.93%),往下大幅度降低,表明尾矿风化过程中形成的次生矿物对Pb、Zn等重金属元素有较强的固定作用,而次氧化带的淋溶作用造成了金属元素的大量流失;(4)与新鲜尾矿相比,硬化层中铅的可迁移性大大降低,硬化层之下尾矿样品中铅的可迁移性也不同程度降低,这是由于硫化物氧化产生的硫酸根与尾矿中的铅反应形成铅矾(PbSO_4)的缘故;(5)氧化作用使尾矿中的zn、Cu等重金属的可迁移性不同程度地增大,其中对锌的可迁移性影响最大,铜的可迁移性与铁比较相似,铅则容易与硫化物氧化形成的SO_4~(2-)反应形成铅矾(PbSO_4);(6)为了减少尾矿污染和修复矿山环境,人们提出了各种不同的尾矿覆盖方案,本文的研究结果表明,这些方法不一定能够有效地阻滞污染元素的迁移。

In the sixteenth and seventeenth centuries,in the broad historical context of the British and Irish archipelago,Ireland saw the formation of three different national identities :Catholic-Gaelic identity,Protestant Anglo-Irish identity and Presbyterian Scottish identity.

1 7世纪,在不列颠和爱尔兰群岛这个大的历史语境中,爱尔兰形成了三种不同的民族认同:天主教盖尔民族认同、新教英—爱民族认同和长老会—苏格兰民族认同。

In the sixteenth and seventeenth centuries,in the broad historical context of the British and Irish archipelago,Ireland saw the formation of three different national identities:Catholic-Gaelic identity,Protestant Anglo-Irish identity and Presbyterian Scottish identity.

在现代早期,爱尔兰形成了三种不同的民族认同形式,它们大致与天主教、英国国教和长老会这三个爱尔兰的主要教派认同联系在一起。血统差别和认同迥异对爱尔兰后来的历史产生了重大的影响。

The development of financial institution in Anglo-Norman is important for the formation of medieval English financial institution. Based on Anglo-Saxon system, framed in Norman dynasty's feudalism, medieval English financial system was able to form its own characters.

盎格鲁-诺曼时期的财政制度是中世纪英国财政制度的的起点,以盎格鲁撒克逊时期的制度为基础,以诺曼王朝的采邑制度为框架,中世纪英国的财政制度得以形成自己的特点。

The necessary conditions of the formation of halo are: weekly bound, low orbit angular momentum and short distance interaction.

形成晕结构的必要条件是:弱束缚、低轨道角动量和短程相互作用。

Academia Sinica Newsletter (2009/10/26) It is now well known that in the later stages of star formation, some of the circumstellar material will be expelled carrying away excess angular momentum.

中研院新闻稿》(2009/10/26)现今天文学家普遍认为,在恒星形成末期,有些环绕恒星的物质会被驱逐外流,并带走多余的角动量。

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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

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