正异常

微量元素中Sr含量存在明显的正异常。

Sr content of trace elements in there is a positive anomaly .

与中浅成中酸性侵入杂岩体有关的金矿，具有K／U，K／Th参数正异常；

The gold ore related to intermediate acid intrusive which emplaced in media shallow crust have positive anomaly of K / U and K / Th parameters ;

同时，石榴石都具有轻稀土富集和Eu正异常的特征。

Garnet phases in the skarns are rich in LREE , with an Eu positive anormaly .

在碳酸盐岩红色风化壳上部Ce显示正异常，底部富集层显示强烈负异常。

Ce shows positive anomalies in the upper and intense negative anomalies at the bottom .

Mn/Ca和Cd/Ca比值的正异常段反映三期（Q1，Q2，Q3）围区的火山活动影响。

Positive anomalous Mn / Ca and Cd / Ca reflect three periods of volcanic activity enclosed areas .

研究表明，主成矿期流体稀土元素配分模式均为轻稀土富集，Eu具明显正异常。

Chondrite normalized REE patterns in fluid inclusions of main mineralization stage show patterns with light REE enrichment and a huge positive Eu anomaly .

大多数样品表现出了强烈的Dy正异常。

Most samples show strong positive anomalies in Dy.3 .

结壳的稀土元素总量是1982.27×10-6，Ce具明显的正异常。

In the crust , total REE content are 1 982.27 × 10 ~ - 6 and Ce is distinctively positive anomalies .

太平洋中部多金属结核大多具有Ce正异常。

Most of the nodules from the Central Pacific ( CP area ) and Eastern Pacific ( CC area ) have positive Ce anomalies .

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；

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.

而Ce表现出明显的正异常，δCe平均值为1.48，明显高于中国土壤平均值。

But Ce showed positive anomaly , the average value of δ Ce was 1.48 , which was distinctly higher than that of Chinese soils .

矿石的稀土元素分配模式为轻稀土元素富集型，多数有Eu正异常和Ce负异常。

The REE patterns of the ore in this deposit are characterized by light REE enrichment types , most with positive Eu anomalies and negative Ce anomalies .

该火山岩系底部超镁铁岩的REE分布模式为轻稀土富集型，有小的Eu正异常；细碧岩-石英角斑岩也是轻稀土强富集型，Ce和Eu有轻微的正异常；

REE patterns of spilites , keratophyres and ultramafic rocks under the volcanic rocks show strong enrichment in LREE with unobvious Ce and Eu positive anomalies .

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；

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 .

第三本征模对应于加勒比地区正异常，其强度呈100a周期的变化，目前正处于下降阶段；

The third eigen mode corresponds to positive Caribbean anomaly , varying with a period of 100 years .

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。

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 .

Eu正异常和弱Ce负异常同时在矿石中发育，说明矿石沉淀时较高温度的热流体与少量的海水发生了对流混合。

The coexistence of both apparent positive Eu anomalies and weak negative Ce anomalies in the ores indicate the convectively mixing of hydrothermal fluids with a small amount of seawater when the ores were precipitated on ancient seafloor .

对中国和世界上这三条界线的研究表明，它们具有下列相似特征：许多生物门类大量绝灭、铂族元素的正异常、稳定同位素（δ~（13）C）的突然变化等。

Studies of these boundaries in China and over the world strongly suggest that they have similar features : mass extinction of many taxa of lifeforms , positive anomalies of platinum group metals , and abrupt changes of stable isotopes (δ ~ ( 13 ) C ), etc.

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。

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 .

牛排市场因为紧挨三J停车场和一半被当作膳食区的政府广场，那里曾经相当贫困的人们正异常迅速地变得非常富裕。

Some very modest people , in a place where the Tough Steak Meat Market sits near the Triple J Motors car lot and the courthouse square is half boarded up , are becoming very wealthy , very quickly .

稀土元素分布型式呈LREE弱富集型，具有较高的∑REE，无明显的Eu异常或弱的正异常，有明显的Ce负异常。

Their chondrite-normalized REE patterns are of weakly LREE-enriched type , with relatively high ∑ REE . There is no pronounced Eu anomaly or there are only weak positive anomalies ; there is a pronounced negative Ce anomaly .

各种类型的多金属结核PGE和Au的球粒陨石配分曲线及有关参数非常一致，均表现为Pt正异常和Pd负异常，显示其中PGE和Au具有相似的来源。

Different types of nodules have quite similar PGE and Au chondrite_normalized patterns and related parameters , with positive Pt and negative Pd anomalies , indicating that PGE and Au in different types of nodules have the same sources .

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。

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 .

冲绳海槽中的伊是名（Izena）海洼Jade热液活动区烟囱物稀土元素特征表现为轻稀土元素相对富集，并具有铕的较强的正异常。

The rare earth element components of hydrothermal chimney in Jade area in the Izena depression are characterized by enriched light rare earth element and high positive europium abnormity .

长江中下游降水对应于欧亚大陆的位势高度正异常，长江中下游降水与北大西洋中高纬度和西太平洋暖池SST的年代际变率有关。

The precipitation in middle and lower reaches of Yangtze River response to the positive abnormal in Eurasian continent and it also has the relationship with the interannual variability of the middle and high latitude of north Atlantic SST and the west Pacific warm pool .

自1987年以后，500hPa高度、温度的正异常明显增加，负异常明显减少；500hPa高度、温度的异常偏高（暖）和偏低（冷）变化与同期地面气温的变化相关密切。

Since 1987 , there have been an increasing trend in positive abnormality and a decreasing trend in negative abnormality for height and temperature , which were correlated with the surface air temperature change .

其中副极地海洋涡旋异常持续时间要比副热带海洋涡旋长，因此KOE区海温负异常持续时间长于黑潮及其东面区域的海温正异常，强度也要显著。

Since the anomaly of the subpolar gyre is found persisting longer than that of the subtropical gyre , the negative SST anomaly in the KOE region is thus more prominent than the positive SST anomaly in the Kuroshio region .

这样使得500hPa高度场上东北亚地区为一相对正异常区，为夏季东北亚阻塞的频繁发生提供了有利的大气环流背景。

Under such a case , there were positive anomalies over Northeast Asia on the 500 hPa geopotential height field , which provided favorable atmospheric circulation background for the frequent occurrence of Northeast Asia Blocking High during summer .

结果表明，前冬季500hPa环流差异明显，主要特征是厄尔尼诺发生前中、西太平洋地区高度负异常；阿留申、堪察加500hPa高度正异常，呈强的正WP遥相关型。

Results show that there is significant discrepance in the 500 hPa circulation in the previous winter , characterized mainly by a vigorous WP teleconnection pattern and highly nagative anomaly in the central and Western Pacific and highly positive anomaly over Aleutians and Kamchatka .

积分3个月后，由地下进入地表的热流量增幅可达1W/m2以上，并持续增大到5W/m2，地表最大升温约0.5K，同时地表感热、蒸发潜热及长波辐射通量均有1W/m2左右的正异常；

The flux keeps increasing until reaches 5 W / m2 . A maximum anomaly of 0.5 K is found in ground temperature . Correspondingly , there are positive anomalies of around 1 W / m2 in surface sensible , latent and outgoing long-wave radiation fluxes .