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Meanwhile, the concentration of Pb,Zn and other heavy metals is rather high in the oxidation zone and decreasesdownward to levels that are unbelievably low for Pb-Zn mine tailings. Theseobservations suggest that heavy metals should be re-immobilized by secondaryminerals, rather than primary minerals, in the oxidation zone, and could be leachedout from suboxic environment due to low rate oxidative dissolution which preventsthe precipitation of secondary minerals in significant amount. Thus, cover scenarioswhich establish a suboxic environment beneath the cover layer might not always beeffective in preventing heavy metal release from mine tailings.Sequential extraction studies indicate that, in addition to heavy metal leaching,oxidation of the mine tailings increased the mobility of residual Zn, and Cu, while Pb remains immobile due to the formation of anglesite (PbSO4). Using the seven-step extraction technique developed by Dold (J. Geochem. Explor., 2003, 80: 55-68), galena dissolves in significant amount at step 2 most probably due to the strong complexing of Pb2+ by acetate, while other metal sulfides dissolve at step 6, which suggest that this extraction technique could not be used to evaluate the mobility of lead in natural environment

重金属含量均低于新鲜尾矿，但以硬化层中的含量最高(Pb、Zn含量分别为0.47%和0.93%)，往下大幅度降低，表明尾矿风化过程中形成的次生矿物对Pb、Zn等重金属元素有较强的固定作用，而次氧化带的淋溶作用造成了金属元素的大量流失；(4)与新鲜尾矿相比，硬化层中铅的可迁移性大大降低，硬化层之下尾矿样品中铅的可迁移性也不同程度降低，这是由于硫化物氧化产生的硫酸根与尾矿中的铅反应形成铅矾(PbSO_4)的缘故；(5)氧化作用使尾矿中的zn、Cu等重金属的可迁移性不同程度地增大，其中对锌的可迁移性影响最大，铜的可迁移性与铁比较相似，铅则容易与硫化物氧化形成的SO_4~(2-)反应形成铅矾(PbSO_4)；(6)为了减少尾矿污染和修复矿山环境，人们提出了各种不同的尾矿覆盖方案，本文的研究结果表明，这些方法不一定能够有效地阻滞污染元素的迁移。

This finding is emphasized in a press release from Novartis, which states that there were 30% fewer distant recurrences with letrozole than with tamoxifen (87 vs 125 patients) and then explains that distant recurrences increase the likelihood of death from the disease."Avoiding distant metastases in early breast cancer is very important, because we know that this type of recurrence significantly worsens the prognosis for these women," Dr Mauriac is quoted as saying. Letrozole "may be beneficial in reducing early relapse," he adds.

在一项来自诺华药厂的新闻稿中强调这项发现，他们宣称使用letrozole相较於tamoxifen，发生远端转移的机率下降了30%（87位相较於125位病患），且接著解释远端再发会增加死於这个疾病的可能性；避免远端再发对早期乳癌来说是非常重要的，因为我们知道这种形式的再发显著地恶化这些妇女的预后；他附带表示，letrozole在降低早期再发上可能是具有好处的。

The whole design is some of European style, which is seized with soften carpet, comfortable sofa, and elegant environment. When you have a taste of meal, you will recapture the serenity penetrated from tradition without hustle and bustle, and you just feel pleased as if indulging yourself into the moderate breeze, smelling the delicate fragrance in the summer, and release from fickleness.

和风细雨的整体设计带有欧式情调，柔软的地毯，舒服的沙发，雅致的环境，在细细品位餐点的同时，你会感觉那种从传统里透出的静谧，没有喧哗，没有浮躁，只有惬意，如同沐浴在和风细雨的温柔中，享受着夏日里微风的清香，体验着心灵的释放。

This gene normally expresses from the paternally inherited chromosome and is an imprinted gene on chromosome 9 associated with post-natal growth, study author Tomohiro Kono, of the department of bioscience at Tokyo University of Agriculture, explained in a news release from the journal's publisher.

该基因可正常表达来自父系遗传的染色体，是和出生后生长相关的9号染色体上的一种印迹基因。

ResultsPe Min Kam Wan, Lam Kam Sang Nasalin and Wo Chun Tong clearly inhibited PCA in mice and reduced histamine release from rat mast cells induced by compound 48/80. But,Sinuwell did not affect the PCA. In addition, the ethanol extracts from Senecio scandens, Selaginella tamariscina and Xanthium sibiricum significantly inhibited PCA in mice, but the extracts from Angelica dahurica, Magnolia liliflora and Cassia tora failed to affect it.

结果速效鼻敏感丸、林金生鼻敏清胶囊及和春堂鼻敏清片明显抑制小鼠异种被动皮肤过敏反应，减少compound 48/80诱导的组胺释放，而速效鼻敏素胶囊对被动皮肤过敏反应无明显影响；速效鼻敏感丸及和春堂鼻敏清片主要组成药物九里明、卷柏和苍耳子显著抑制小鼠异种被动皮肤过敏反应，而白芷、辛夷和决明子无明显作用。

Shores in music, telling of its release from icy fetters, its swift flight from the snow-clad mountains

它沉浸在水流重聚的喜悦之中，不断地用美好的音调向河岸低语，倾诉着自己是如何挣脱冰雪的束缚，如何从积雪覆盖的群山奔流到这里

The river, glad of new strength and rejoicing in the unison of all its waters, murmured to the shores in music, telling of its release from icy fetter s, its swift flight from the snow-clad mountains

它沉浸在水流重聚的喜悦之中，不断地用美好的音调向河岸低语，倾诉着自己是如何挣脱冰雪的束缚，如何从积雪覆盖的群山奔流到这里

The river, glad of new strength and rejoicing in the unison of all its waters, murmured to the shores in music, telling of its release from icy fetters, its swift flight from the snow-clad mountains, and the mighty work to which it was hurrying --- the wheels of many mills to be turned, and great ships to be floated to the sea.

河水也因为增添了新的力量而感到高兴，它沉浸在水流重聚的欢乐之中，不断以美好的音调向河岸喃喃絮语，叙述着自己是怎么挣脱冰雪的束缚，怎么从积雪覆盖的群山奔腾跑到这里，以及它匆忙前往担负的重大工作---无数水车的轮子等待着它去推动，巨大的船只等待着它去送往海上。

The river, glad of new strength and rejoicing in the unison of all its waters, murmured to the shores in music, telling of its release from icy fetters, its swift flight from the snow-clad mountains

它沉浸在水流重聚的喜悦之中，不断地用美好的音调向河岸低语，倾诉着自己是如何挣脱冰雪的束缚，如何从积雪覆盖的群山奔流到这里

The tripolar structure SST anomalies over the North Atlantic, which also appears at the interannual scale with a spectral peak at 3—4 years, are mainly resulted from the barotropic driving of the NAO like atmospheric forcing, and thermal process plays a dominantrole in this process. When the NAO is strong, the westerly weakens over the midlat itudes; both the sensible and the latent heat flux release from the ocean tend to decrease, which warms the ocean and leads to positive SST anomalies. Over the sub polar region including the Labrador Sea, a stronger NAO is associated with a deeper Icelandic Low; the high latitudes originated colder air then blows over the ocean surface, the air-sea temperature difference become larger, and the se n sible heat flux loss from the ocean increases, which subsequently leads to colder SST anomalies.

分析表明，模式中三核型SST异常的产生，主要来自大气的强迫，NAO增强，中纬度大洋上的西风减弱，海洋感热和潜热通量损失减少，中纬度大洋得到的净热通量增加，导致SST出现正距平；在包括Labrador 海在内的副极地大洋，NAO增强、冰岛低压加深，气旋性环流增强，来自高纬度的冷空气吹过洋面，海气温差加大，大洋的感热通量损失增加，SST降低。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。