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The results revealed that iontophoresis could significantly improve the penetration of SLN. The fluorescence of images indicated that the accumulation and the depth of QDs-SLN reached in skin increased with times. Anodal delivery of QDs-SLN resulted in a higher accumulation of QDs-SLN in skin than those of cathodal delivery. Furthermore, the vertical images of skin showed that fluorescence assemble in follicle and dermis, indicating that follicle and the junctions between the corneocyte clusters provide the pathway for SLN penetration into skin.

QDs-SLN在皮肤中的滞留量及透皮深度随离子导入时间的增加而增大；正极导入时，QDs-SLN在皮肤深层组织中的含量较高；通过荧光显微镜对垂直于皮肤表面的纵切猪耳全皮中QDs-SLN的分布情况进行考察，结果提示皮肤附属器及角质层中蛋白簇间的结合部位可能为SLN的透皮路径。

Any of various deciduous shrubs of the genus Aronia in the rose family, native to eastern North America and having clusters of small white or pinkish flowers and tiny red to black applelike fruit.

美国稠李灌木原产于北美洲东部的任何一种蔷薇科北美沙果属的落叶灌木，开有一簇簇白色或近粉红色的小花且结有红色至黑色类似苹果的小果实

Atwo step growth model is adopted and a CN film with sunflower like clusters is observed ondiamond as a result.And the C-N bond in this phase is found to be very stable at substratetemperatures from 100℃ to 700℃.

发现得到的CN相中C和N形成一种类似金刚石中的C-C结合的非极性键，并且此种键在很大的温度范围内都十分稳定。

Taken the similarity coefficient as 75％, 29 strains of three Auricularia species were grouped into 6 and 9 clusters by RAPD and ERIC, respectively.

应用ERIC和RAPD两种PCR方法对木耳属3种29个菌株进行遗传鉴别，其中ERIC方法是首次运用于食用菌的研究领域。

Long stretches of the continuous DNA molecule wind around these clusters of proteins, or histones, forming beadlike complexes known

这些螺旋和超螺旋形成致密的染色体组结构。每个长链DNA与组蛋白和非组蛋白一起构成染色质物质。

Proteoid roots or cluster roots: dense clusters of rootlets of limited growth that develop under low phosphate or low iron conditions in Proteaceae and some plants from the following families Betulaceae , Casuarinaceae , Elaeagnaceae , Moraceae , Fabaceae and Myricaceae .

排根或集束根源：在低密集群发展的根的生长的，有限的磷酸盐或低铁的条件眼科和一些植物从以下家庭的桦木，木麻黄，胡颓子科，桑科，豆科和杨梅科。

The cloning of corresponding biosynthetic gene clusters is essential for new drug discovery and yield improvement by metabolic engineering.

微生物产生众多结构和生物活性多样的次级代谢产物，其生物合成基因簇的克隆是药物创新和产量提高的必要前提。

Cloning of corresponding biosynthetic gene clusters is essential for new drug discovery and yield improvement by metabolic engineering.

微生物产生众多结构和生物活性多样的次级代谢产物，其生物合成基因簇的克隆是药物创新和产量提高的必要前提。

A deciduous Asian tree, widely cultivated and naturalized in the southern United States and having bipinnately compound leaves, clusters of purplish flowers, and yellow, globose, poisonous fruits.

楝产于亚洲的落叶乔木，，有二回羽养复叶、紫色花簇以及黄色球形、有毒的果实，在美国南部被广泛引种栽培

Flowers bisexual or seldom unisexual, solitary or several in axillary clusters, usually bracteate,(4- or)5(or 6)-merous.

很少单性的花两性或，在腋生簇束内单生或数个，通常具苞片，4-或(或6)瓣的5。

We were cousins—his grandfather was King of Scots,and his great-grandfather was Henry VII of England.

我们是堂姐弟——他的祖父曾是苏格兰国王，他的曾祖父是英格兰的亨利二世。

I do want to help you, but I am in a quandary now!

我是想帮你，但是我现在左右为难啊！