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The massive sulphide, lead-zinc, iron, copper deposits of the former and the porphyry copper-molybdenum deposits of the latter are the main ore types in the region.3. The conclusions drawn through the research on the Re-Os isotopic geochronology of the Chilu Mo deposit are as follows:(1) the model age of the Chilu Mo ore deposit is 105.6Ma, closely to the 87Sr/86S isochrone age of the porphyric granite, adamellite. So they are closely correlated in the genesis, and both are the production of magmatic evolution of the late Yanshan.
Cu、Mo、Pb、Zn、Au为区内优势矿种。3、对赤路钼矿床的Re—Os同位素年代学研究得出如下结论:(1)赤路钼矿的矿化模式年龄为105.6Ma,与似斑状花岗岩、二长花岗岩等的87Sr/86Sr等时线年龄115±4Ma较接近,表明二者在成因上密切相关,同属燕山晚期岩浆演化的产物;(2)赤路钼矿床具有辉钼矿中Re、Os含量偏低,低87Sr/86Sr初始值和硫同位素组成接近陨石硫等特点,表明其为成矿物质来源于地壳深部,且为斑岩型钼矿床。
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Walk pearly white beaches and see dolphins frolic in the sparkling water in Jervis Bay.
在杰维斯湾,漫步在白似珍珠的海滩上,观赏海豚在滢滢碧波中嬉戏。
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Based on the pre-treated Chinese annual economic data from 1985 to 2004,the paper makes the time series stability test,the co-integration test(Johansen maximum likelihood method) and Grenger causal test,and makes a positive analysis of the long-term stable relation between the foreign direct investment in China and the growth of China's economy,which proves that the foreign di...
本文根据经过预处理的1985—2004中国有关年度经济数据,进行了时间序列平稳性检验、协整检验(Johansen极大似然方法)和格兰杰因果检验,实证分析了外商在中国直接投资与中国经济增长之间存在的长期稳定关系,证实了外商直接投资是我国经济增长的一个重要原因,并提出一些政策建议。
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Using the similar single-difference mathematical model which is base on the character of GPS landslip monitoring to gain the distortion of the coast by dissolving at single epoch, can avoid the delicacy problem of the jumpiness detection and repair.
根据高精度GPS滑坡监测的特点建立的单历元直接解算监测点滑坡变形信息的似单差模型,避免了周跳的探测与修复这一棘手问题;双差模糊度的解算变得更为容易;避免了网平差这一环节,有利于提高数据处理的响应速度;同时,该模型可适用于静态监测和动态监测两种监测模式。
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Two gene fragments of DEN-1(GenBank accession number DQ886390)and DEN-2(GenBank accession number DQ886391),differentially expressed between the ocular skin tissues of normal and albino turbot,were isolated by mRNA differential display and sequenced.It was confirmed by RT-PCR method that the expression levels of both DEN-1 and DEN-2 were down-regulated in the ocular skin tissue of albino turbot.The sequence homology search of DEN-1 revealed high sequence homologies with the UGGT genes of zebrafish and cattle,and the Ugcgl1 gene of Norway rat.High sequence homologies of DEN-2 were observed with the eya4 gene(the eye absent homolog 4)from red jungle fowl,zebrafish,human,Norway rat,mouse and dog.
应用mRNA差异显示技术,对比研究正常与白化大菱鲆有眼侧皮肤组织,克隆差异表达基因,经测序,RT-PCR 验证,差异表达基因片段DEN-1(GenBank登录号:DQ886390)与DEN-2(GenBank登录号:DQ886391)均在白化大菱鲆有眼侧皮肤组织中下调表达;通过BLAST检索发现,DEN-1与GenBank中的斑马鱼和牛的类似尿苷二磷酸-葡萄糖:糖蛋白葡糖基转移酶基因、与挪威鼠类似尿苷二磷酸-葡萄糖:神经酰氨葡糖基转移酶1(Ugcgl1)基因有较高同源性;DEN-2 与原鸡、斑马鱼、人、挪威鼠、家鼠和狗的眼缺乏同源框4(eya4)基因的同源性均较高。
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The main content of preparation before scoring is selection of characteristics, which mainly uses Logistic regression, contingency table analysis and artificial neural network. Personal credit scoring and evaluation mainly uses general discriminant analysis, refined decision tree model, improved genetic algorithm, probability neural network and behavioral scoring model. The effect test of personal credit scoring includes fitting effect test and fitness test. The former involves right prediction rate, Kappa consistency test, ROC curve, and the latter includes likelihood ratio test, Hosmer-Lemeshow test, etc.
评分前的准备工作主要是特征变量的筛选,其中使用的主要方法为Logisitic回归、列联表分析和人工神经网络;本文使用的个人信用评分与评估方法为广义判别分析、精练决策树模型、改进遗传算法、概率神经网络和行为评分模型;个人信用评估的效果检验包括拟合效果检验和拟合优度检验两个方面,前者涉及的方法有预测的正确率、Kappa一致性检验、ROC曲线,后者主要包括似然比检验、Hosmer-Lemeshow检验等。
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The former involves right prediction rate, Kappa consistency test, ROC curve, and the latter includes likelihood ratio test, Hosmer-Lemeshow test, etc.
评分前的准备工作主要是特征变量的筛选,其中使用的主要方法为Logisitic回归、列联表分析和人工神经网络;本文使用的个人信用评分与评估方法为广义判别分析、精练决策树模型、改进遗传算法、概率神经网络和行为评分模型;个人信用评估的效果检验包括拟合效果检验和拟合优度检验两个方面,前者涉及的方法有预测的正确率、Kappa一致性检验、ROC曲线,后者主要包括似然比检验、Hosmer-Lemeshow检验等。
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In one group, Kerria sindica and Kerria lacca have a closest relationship and formed as sister taxon.
信德紫胶虫与紫胶蚧核型似近系数λ为0.9533,亲缘关系紧密,聚在一起形成姐妹群。
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Yes, otherwise I can not sit here and write what blog feelings, I do not have such an understanding of Chinese women - Kylie cents seems, do not know that Kylie so a good ketone body, for dedication to the arts.
是呀,不然我也不能坐在这儿写什么博客和感想了,我也不认识中国还有这样一个美仙似女人---汤加丽,更不知道汤加丽有这么一个好酮体,用来献身于艺术。
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A girl is steadily sitting on the king-sized lotus leaf in Wuhan City's Botanical Garden of the Chinese Academy of Science.
2000岁的野山参形状似人,雄参是单株,雌参被20多个小参紧紧抱住。 11。人形夫妻何首乌。 13。灵芝王。
- 推荐网络例句
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By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.
到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。
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The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.
在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。
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There was a conflict between plebs and patricians in ancient Rome in 494BC.
在公元前494年,罗马发生了一次平民反对贵族的斗争。