negative anomaly
- 负异常
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The δ Eu is 0.84-0.96 , as a weak negative anomaly .
δEu为0.84-0.96,呈弱的负异常。
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The negative anomaly of D area in middle survey area is also partial contribution of underground mineral drive ;
测区中部的D区负异常也是有地下矿道的部分贡献;
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δ Ce < 1 , exhibiting obvious negative anomaly .
δCe<1,具明显负异常。
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Soil trace element geochemistry indicates that the area is an organic carbon and bromine negative anomaly area .
土壤微量元素地球化学表征为有机碳含量、元素负异常区。
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The negative anomaly on the region can guide us regional exploring direction and delineate the prospecting target area .
区域负异常,可以指明区域找矿方向,圈定找矿靶区;
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Negative anomaly area of 1000-300 hPa vapor transportation in 1990 's summer and 40 years climate drought area of China are similar ;
20世纪90年代夏季1000~300hPa水汽输送积分负距平区与中国40a气候变化干旱化区域总体相吻合;
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The result of experiments we made in SH area of Jizhong depression shows that the negative anomaly of natural electric potential is related to hydrocarbon reservoir .
我们在冀中坳陷SH区的试验结果表明,油气藏与自然电位负异常之间有一定的对应关系。
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In lower troposphere , the positive anomaly of pressure in China and the negative anomaly of pressure in west Pacific Ocean bring cold-dry air into Eastern Asia .
由于中国大陆下对流层的压力正距平以及西太平洋下对流层的压力负距平,会为东亚沿岸地面带来乾冷的东北风距平。
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Its large ion lithophile elements are enriched with obvious Nb , P and Ti negative anomaly and slight Th positive anomaly and low content of Sr.
大离子亲石元素富集,具明显的Nb、P、Ti负异常和弱的Th正异常,Sr含量较低;
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Chemically , the quartz diorite porphyry is rich in alkali , sodium and LREE and lack of obvious europium negative anomaly .
全岩的主要元素、微量元素和稀土元素表明石英闪长斑岩中富碱、富钠、富轻稀土,铕异常不明显。
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REE distribution pattern displays the apparent enrichment of LREE and negative anomaly of Eu and is similar to that of NASC and PAAS .
稀土元素分布模式显示其明显富集轻稀土及Eu负异常,并与NASC和PAAS稀土分布模式相似;
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The resultant Z_a magnetic anomaly map consists of two major magnetic anomaly zones : positive anomaly Zone in the north part and the negative anomaly zone in the south part .
由此得到的Za磁异常平面图,北部为正异常区,异常很不规则,有三个局部异常;
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Concealed bodies of mining area have obvious Eu negative anomaly . REE distribution patterns show the type of " gull " . This feature is same as A-type granite .
花岗岩具强烈的Eu负异常,稀土元素配分曲线呈海鸥型,与A型花岗岩的特征相一致。
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Before Renxian MS 5.0 earthquake , there existed 2-year negative anomaly at Hongshan station 20 km to the epicenter , the decrease amplitude was 14 % ;
任县5.0级地震前,距震中20公里的红山台,存在2年负异常,下降幅度为14%;
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The crustal velocity in the Sichuan-Yunnan rhombic block generally shows normal value or positive anomaly , while the negative anomaly exists in the area along the large strike-slip faults as the block boundary .
川滇菱形块体在地壳内总体上为正常或正异常速度,而其边界的深大走滑断裂存在负速度异常,它有助于地壳块体沿断裂的侧向挤出。
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The improved device was used to test Wen 31 oil pool , the counting rate was more than 80 pulse / min. The cyclic anomaly was clearly reflected in plan , and negative anomaly was also measured .
改进后的装置在文31油藏的测试中,记数率平均达80脉冲/min以上,平面图上环状异常形态清楚,且测出了负异常。
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The REE chondrite standardized model of the ore-bearing host rock show a middle Ce negative anomaly , obviously Eu positive anomaly and the right dip graphics , which are similar to some hot water sediments model .
含矿建造中容矿岩石的REE球粒陨石标准化模式是具有中等的Ce负异常和明显的Eu正异常、向右倾的图形,与一些热水沉积物的模式都有相似之处。
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The expression of Δ T in the Southern Hemisphere presented in this paper . The survey area is located in 63 ° S , so where it is characterized by positive anomaly , and negative anomaly in the south .
文章导出了南半球ΔT表达式,测区约位于63°S,故异常以正值为主,负异常在其南侧。
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The sandstones contain lots of continental quartz clasts , and the cherts have high Al 2O 3 / Fe 2O 3 , low MnO / TiO 2 ratios and very small Ce negative anomaly .
浊积砂岩中含有大量陆源石英碎屑,硅岩具较高的Al2O3Fe2O3比值和较低的MnOTiO2比值,不具有明显的Ce负异常。
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The disordered I / S clay rock is characterized by lower REE contents and the middle to weak positive anomaly of Eu , but the ordered one is of higher REE contents and the strong to middle negative anomaly of Eu .
结果表明,无序间层粘土岩REE含量较低,并具中弱Eu正异常为特征;IS有序间层粘土岩以REE含量高,中强Eu亏损为特征。
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The shale-normalized river water-dissolved REE distribution patterns of the Ganjiang River in the southern Jiangxi Province are not flat and the HREEs are relatively slightly enriched , showing obvious Ce negative anomaly and Eu positive anomaly .
赣南特地区河水溶解态稀土元素页岩标准化配分模式并不平坦,重稀土元素相对轻微富集,并表现出Ce负异常和Eu正异常。
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Geochemistry of basalt and diabase demonstrates they are of MORB characteristic , with Nb negative anomaly , and the environment discriminations suggest that the ophiolite may form in a SSZ-type back-arc basin serves behind a intra-oceanic arc .
玄武岩及辉绿岩的地球化学显示其具MORB特征,Nb显负异常,环境判别显示该蛇绿岩可能形成于离洋内弧较近的SSZ型弧后盐地。
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And the southern survey area is a mixed magnetic anomaly area with the magnetic anomaly in the middle Jiaozhou Bay showing near east-westly trending banded distributions and that in the southern Jiaozhou Bay showing NE trending alternate positive and negative anomaly distribution .
南部表现为混合异常,上部(大致为胶州湾最中间地带)磁异常为近东西向条带状展布,而胶州湾南部基本呈NE向正负相间分布。
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In the summer of El Nino year , owing to teleconnection , there is a negative anomaly of surface pressure and 500 hPa height in the East-Asia and the West-Pacific . The west-Pacific subtropical high is to the south continuously and weaker .
埃尔尼诺年夏季,由于遥相关机制,东亚及西太平洋中纬地区出现地面气压和高度场的负距平,西太平洋副高位置持续偏南。
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Negative pressure anomaly ;
负压异常;
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The paper suggests that the regional negative gravity anomaly reflected mainly the sedimentary basin or the depression ;
认为,区域性重力负异常多反映的是沉积盆地或凹陷;
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Most of the basalts show negative Nb anomaly .
玄武岩多数具有Nb负异常。
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Lower ∑ REE , negative Ce anomaly , HREE relative enrichment .
低∑REE,负Ce异常,重稀土相对富集等热水沉积物的特征,为热水沉积的结果。
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Lower total REE , comparatively enrichment in HREE , slightly negative Ce anomaly ;
稀土元素总量低,Ce呈弱负异常,重稀土相对富集;
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The massif with positive gravity anomaly has a high density and that with negative gravity anomaly has a low density .
布格重力异常图反映了地块的密度情况,正异常带为大密度地块,负异常带为小密度地块。