产金的
- 与 产金的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Any of several delicate Asiatic orchids grown especially for their velvety leaves with metallic white or gold veining.
亚洲产的精致兰花中的任何一种,栽培供观赏其带有金属性白色或金色叶脉的柔软的叶子。
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And short of sulfides,which has been proven characteristic for all other gold deposits in the Shuiquangousyenite batholith on the northem margin of North China craton.
&东坪式&金矿系指产于华北克拉通北缘水泉沟碱性杂岩体中的一系列少硫化物、富Te金矿床,是我国发现的特大型金矿的新类型。
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Synthesis of Antidote of N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane BI Hong-mei, ZHANG Jin-yan, LIANG Ying, SHEN Yong (College of Arts and Sciences Heilongjiang August First Reclamation University, Daqing 163319, Heilongjiang, China) Abstract: N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane was synthesized by one pot method with isopropanolamine, cyclopentanone and dichloroacetyl chloride. The optimum reaction conditions obtained are as follows:the proportion in moles of the above materials is 1∶1∶1.2, reaction solvent is toluene, reaction temperature is -15 to -10 ℃,reaction time is 3 h, under the optimum condition, the yield of the compound is 50.0%.
除草剂解毒剂N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷的合成毕洪梅,张金艳,梁英,沈勇(黑龙江八一农垦大学文理学院,黑龙江大庆 163319)摘要:以33%的氢氧化钠水溶液为缚酸剂,异丙醇胺、环戊酮和二氯乙酰氯为原料,采用&一锅法&合成了N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷,采用正交实验法得到最佳反应条件:反应原料摩尔比为1∶1∶1.2,苯作溶剂,反应的温度为-15 ℃~-10 ℃,搅拌时间为3 h,产率达到50.0%。
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Studies on rock and ore micro fabric that control mineral preservation stratum of the deposit,and the siliconization and pyritization contacted with gold mine origin reflects the characteristic of syndepositiondiagenesis,which indicates the sediment-diagenesis and later stage mild reconstructive genetic mechanism of Shuiyindong gold deposit.
黔西南水银洞金矿是一特大型富金矿床,矿体成群多层、顺层产于龙潭组地层中,通过系统研究水银洞金矿赋矿地层岩石及矿石的显微组构特征,以及与金矿成因联系密切的硅化及黄铁矿化特征,均显示为同沉积—成岩特征,共同指示水银洞金矿沉积—成岩后期轻微改造的成因机制。
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It has been warranted through experiments and practical application that rare-earths-high-aluminium heat-resistant nodular iron has some intrinsic properties which are worthy of reconimandation, namely,that it will not scale after long periods of use at 1050-1100℃, will hardly break while being hammered into castings, runners or risers as the high-temperature tensile strength reaches 14-19 kg/mm2 at 800℃ or≥l3.3kg/mm2 at 900℃, with the room temperature strength close to HT 30-50 and the unnotched impact str...
本文介绍了稀土高铝耐热球墨铸铁的生产实践、化学成分;探讨了稀土作用及其用量和控制;论述了稀土和铝加入方式以及冷却速度对金相组织的影响;并对铸造工艺、铸件缺陷及分析、耐热性能及使用效果作了阐明。试验和使用证明:稀土高铝耐热球墨铸铁在1050~1100℃长时间工作不起氧化皮,热强度800℃时,14~19kg/mm~2,900℃时≥13.3kg/mm~2,室温强度近于HT30—54,a_k≈2~6kg·M/cm~2,锤击铸件或浇冒口,很难碎裂,并能机械加工。可以认为是以我国富产资源为原料,能用各种炉子熔炼、耐热和综合机械性能均较高硅、中硅中铝球铁、高铝片墨铸铁为高的一种耐热铸铁,也是镍铬系耐热材料较好的替代品。
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In addition, because gold and silver ink of qrganic is unstable and the transfer of and sent, in wet waterish "" status under business card printing and membership card must be produced to reduce the business card printing and membership card making machine speed, greatly influenced the polychromatic machine productivity.
此外,因为金、银油不朱的化学本质不安定,转印性又不对,在&湿压湿&的状况量下制卡和会员卡制息不离务必降矮制卡和会员卡制息机的速量,这样又不小不小感化了众色机的不入产不败果。
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The tradeoff was that female monarchs with the lowest parasite loads transferred spores to only 20% of their eggs, even though the fecundity of the parasitized butterflies was unaltered by spore load.
这样就形成了一种平衡,即虽然有寄生生物的雌性黑脉金斑蝶的繁殖力并没有受孢荷的影响,但是其产的卵中只有20%含有孢子。
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In this thesis, the submerged fermentation and solid-state fermentation of Coriolus versicolor laccase, the enzymatic characterization, and the application of laccase in indigo and gold orange Ⅱ decolorization was investigated. The major results were as follows:The laccase production by Coriolus versicolor was performed in submerged fermentation, using corn husk as carbon source and carbamide, ammonium sulfate as nitrogen source.
本文对Coriolus versicolor漆酶的液体发酵和固态发酵进行了研究,并且对Coriolusversicolor漆酶的酶学性质及其在靛蓝、金橙Ⅱ脱色降解方面的应用进行了探讨,其研究成果如下:对Coriolus versicolor漆酶的液体发酵工艺参数进行了优化,结果表明,以玉米皮为碳源,尿素和硫酸铵为氮源,利用Coriolus versicolor液体发酵产漆酶时,C/N以20为宜。
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The new icebergs added to 330 sq kms of ice that broke up earlier this month with the shattering of an ice bridge apparently pinning the Wilkins in place between Charcot island and the Antarctic Peninsula.
本月早些时候一座显然是把威尔金斯冰架固定在了夏科岛和南极半岛之间的一座冰桥坍塌,这次新的冰山加入了那次产生出330平方公里的冰块群中。
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The results show that the main gold ore bodies were produced near the interruption of sedimentation between Maokou Formation and Emeishan Basalt, which is a characteristic ore-forming combination composed of ore source bed, fluid passageway and ore-hosting space.
研究结果表明,泥堡矿床最主要的金矿体产于茅口组与峨眉山玄武岩组之间的沉积间断面附近,是一个集矿源层、流体通道和容矿部位于一体的极具特色的成矿组合。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。