查询词典 nut coal

The self-locked nut and arc block were fixed in the bar. The inner nut was pushed towards outside so as to resume the normal vertebral height. Biomechanical analysis of ALPF was conducted.

观察术中及术后并发症、伤椎椎体前缘高度的恢复、Cobb角的矫正、椎管狭窄的改善及脊髓神经功能的恢复情况并对ALPF进行生物力学分析。

Therefore, in the recent years, queensland nut is quite popular in all over the world with continuously increasing price, and it has become the most popular high-rank nut on the international market.

在适宜的条件下，澳洲坚果定植后6－7年即可获得相当可观的产量，丰产期达40－60年，甚至更长，生长良好的健康树，其丰产性随着树龄的增长和植株增大而增长。

The polishing fluid is composed of Al2O3 micropowder with a grain diameter of 0.5-1.0 mum, coal oil, lard, plant oil and spindle oil, wherein Al2O3 micropowder is abradant, coal oil is solvent, the mixing liquid of lard, plant oil and spindle oil is as additive; and the polishing fluid is prepared by a mixing liquid which is composed of 2% lard, 2% abraser, 8% plant oil and spindle oil by volume and 88% coal oil. The polishing fluid can produce the H62 brass element with a uniform surface quality and a good surface roughness value up to 0.008 mum, has the characteristics of no eroding elements, effectively relieving mechanical score, good processing surface quality and can be used for decoration of the plastic metal material and surface polishing process before the material metallographic microscope analysis.

抛光液由粒径为0.5～1.0μm的Al 2 O 3 微粉、煤油、猪油、植物油和锭子油混合而成；其中Al 2 O 3 微粉为磨料，煤油作溶剂，猪油、植物油和锭子油的混合液作添加剂；抛光液按体积比由2％的猪油、2％的磨料、8％的植物油和锭子油的混合液、88％的煤油配制而成；该抛光液能够加工出表面质量均匀，表面粗糙度值达到0.008μm的H62黄铜工件，具有不腐蚀工件、有效缓解机械刻划作用、加工表面质量好的特点，可以用于塑性金属材料的外观装饰性加工，以及材料金相分析前的表面抛光加工。

By a study of top coal drawing method modelling with analogue material in laboratory, this paper presents the movement law of overburden strata and the ground presure mantfestation character of top coal drawing faces,at the same time,sets up the ground pressure structure model of top coal drawing faces.

通过对放顶煤开采方法的实验室相似材料模拟研究和现场矿压实测资料的分析，文章提出了放顶煤采场上覆岩层移动规律和采场矿压显现特征，同时还建立了放顶煤采场矿压结构模型。

K, the parent element of 40Arr, has different abundance in coal and argillite, which can be used in analyzing the difference between 40Ar/36Ar values of natural gases produced from coal and argillite, and identifying the main gas source in coal source rocks. In this paper, the forming mechanism of 40Arr and its process of entering into gas pool are discussed, on the basis of which a method for identification of main gas source is developed.

本文系统地讨论了 40Ar的形成机理及其运移进入气藏的过程，利用 40Ar的母体元素 K在煤和煤系泥岩中的丰度差异，分析了以煤和煤系泥岩为母源的天然气 40Ar/36Ar同位素组成上的不同，并利用这种差异对煤系中煤岩或煤系泥岩为源岩的天然气藏的主力源岩进行了判识，继而建立了利用氩同位素组成判识煤系烃源岩主力源岩的方法。

By analysis of common agent and special agent of coal enterprise's diversification, it is considered that coal enterprise's diversification is passive and blindest and it is suggested that coal enterprises should develop correlative diversification industries first.

分析了煤炭企业开展多元化经营的一般动因和特殊动因，认为煤炭企业多元化经营具有被动性、盲目性的特点，提出煤炭企业在进行多元化经营时要优先发展相关多元化产业。

Based on the study of gas solid flow field in blowpipe of BF with oygen enriched PCI, the oxygen and coal concentration distribution inside the blowpipe were simulated and discussed, including the influence of position and inserting angle of the oxygen coal lance, the pattern of the oxygen enriched jet, as well as grain size of the coal.

在对高炉局部富氧喷煤直吹管内气固两相流流场研究的基础上，对直吹管内氧和煤粉的浓度场进行了数值研究，包括氧-煤喷枪的插入角度和枪位、局部富氧射流的漩流数以及煤粉粒度的影响。

The coal gas dry process desulphurization technology application early, most early applies in the coal gas dry process desulphurization technology is take the bog ore as the sweetening agent ferric oxide desulphurization technology, afterwards, studies successful and the production cost along with the coal gas desulphurization activated charcoal reduces relatively, the activated charcoal desulphurization technology also starts widely to apply.

煤气干法脱硫技术应用较早，最早应用于煤气的干法脱硫技术是以沼铁矿为脱硫剂的氧化铁脱硫技术，之后，随着煤气脱硫活性炭的研究成功及其生产成本的相对降低，活性炭脱硫技术也开始被广泛应用。

This paper analyzes the causes of the blockage of the shaft coal bunker ,and puts forward some methods of treating the blockage of shaft coal bunker and some suggestions for the construction of preventing the blockage of shaft coal bunker .

分析了煤矿井下煤仓堵塞发生的原因，提出了煤仓堵塞的处理办法及防止煤仓堵塞的施工建议。

Although there is a little carbonite caused by some magmatic dikes in the CarboniferousPermiam coal, most Carboniferous-Permian coal has no great differences in vitrinite reflectance, crystalline indices, bulk specific gravity, hardness, and the content of velotile matter from the Jurassic coal, and both are super-anthracite.

区内石炭—二叠系煤与侏罗系煤除了前者含有一些由侵入体造成的天然焦或半焦外，二者均为超无烟煤，在镜质体反射率、煤晶核结构、显微硬度、挥发份和容重等方面上均没有明显的差异，说明区域变质是在煤系地层沉积之后发生的。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。