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Both the rubber and the pith ball are negatively charged.

这时，橡胶棒和木髓球两者都带负电荷。

Meanwhile,HDAC1 acetylation level is significantly increased.The overexpression of HDAC1 can promote erythroid cell proliferation and inhibits induced differentiation,the knockdown of HDAC1 or 2 inhibits erythroid cell proliferation and promotes induced differentiation.We also found that HDAC1 affects GATA1 mediated transcription activity.Thus our data revealed that HDAC1 may negatively regulate GATA1 mediated transcription and suggest that the dynamic regulation of GATA1 associated NuRD/MeCP1/HDAC1/HDAC2 complex may determine the onset of erythroid differentiation programs.Moreover,this study will eventually help to design new therapeutic approaches in treatment of leukemia.

研究发现在被诱导分化的小鼠红细胞白血病细胞中与GATA1相结合的HDAC1被乙酰化并失去活性，在血细胞中过表达HDAC1能够促进血细胞的增殖并抑制分化，反之在血细胞中敲除HDAC1或HDAC2能抑制血红细胞的增殖并促进分化，而且HDAC1能够负调控GATA1的转录活性，GATA1与NuRD/MeCP1复合体之间的动态调控，决定血红细胞分化的发生和发展，并为探索白血病的致病机理奠定了理论基础。

Maclntyre and Noels (1996) found that language anxiety was negatively correlated with language learning strategy use.

MacIntyre and Noels(1996)发现语言焦虑和语言学习策略的使用之间存在负相关。

The fluoride absorption was positively related to respiratory rate of leaf andthe content of free water in leaf tissue,but negatively related to the thickness of lowersurface and osmotic potential with zero expansion pressure of leaf.

9树木对大气氟污染的抗性强弱与树种的气孔总传导度大小负相关，对大气二氧化硫污染的抗性与气孔总传导度和叶组织pH值负相关，树木对大气氟化物的吸收能力与呼吸速率和自由水含量正相关，与膨压为零时渗透势和下表皮厚度负相关。

Prelase Q-switching method: By using output laser intensity to negatively feedback control the cavity loss, a smooth and quasi-continuous prelase of ～100μs width is built, then the cavity is Q-switched during prelase.

预激光调Q法：用输出激光强度来负反馈控制谐振腔的损耗，建立一个平坦的、准连续的～100μs宽预激光状态，然后在此预激光基础上调Q。

The result showed that the yields of spring wheat and naked oats were negatively related to the monthly average temperature and the sum of them; the yield was positively related to the monthly precipitation and their sum.; and the yield didn't have distinct relation to the monthly sunshine hours.

结果表明，武川小麦和莜麦的丰歉与生长季各月的平均气温及其总和呈负相关，与生长季各月降水量及生长季降水之和呈正相关，与日照时数关系不显著。

Scattered into ethanol, ethyl silicon is medium tetraethyl ortho-silicate in ammonia catalytic hydrolysis, formed under the condition of the negatively charged with PS silica microspheres due to charge effect between by adsorption to PS microspheres surface, core-shell structure.

将其分散到乙醇/水介质中，正硅乙酸乙酯在氨水催化条件下水解，形成带负电性的二氧化硅与PS微球之间由于电荷作用而被吸附到PS微球表面，形成核-壳结构。

First use soap-free emulsion preparation for polystyrene spheres, and the kernel, Reuse are silicon acetic tetraethyl ortho-silicate in ammonia catalytic hydrolysis, formed under the condition of silica, charged by six water or their cerium, six of methylene amine solution HMT (4) into the negatively charged, uniform cerium oxide coated surfaces to PS microspheres, core-shell structure of PS - CeO2 and PS - SiO2 composite microspheres.

首先用无皂乳液制备了聚苯乙烯微球，并以此为内核；再利用正硅乙酸乙酯在氨水催化条件下水解，形成带负电性的二氧化硅，或者利用六水亚硝酸铈、六亚甲基四胺水溶液分解出带负电性的氧化铈，均匀的包覆到PS微球表面，形成核-壳结构的PS-CeO2和PS-SiO2复合微球。

If you have more positively charged energy arguing for success and prosperity than negatively charged energy arguing against them, then you have a positive sense of self-valuation.

如果你的积极能量比消极能量多，那么你的自我评估就是积极的。

The experiment study show: 1 Individual sports affect little to overall peer relationships, level of social boldness, and level of loneliness of middle school students, but affect negatively to level of selfishness, in other word, self-center trend.

实验研究表明：个人运动项目对中学生总体同伴人际关系、乐群性、孤独感水平没有显著影响，但对中学生的自私性水平，或者说自我中心有负面的影响；(2)集体运动项目对中学生总体人际关系和自私性水平有改善作用，对乐群性和孤独感水平没有显著性影响。

The good news is that after formatting from the command line to FAT32 (format /fs:fat32 /a:4096 drive:) all but one of the problematic games that I tested work perfectly.

好消息是，从指挥线后格式化了FAT32(格式/曾荫权：了FAT32/答：4096年径：)所有问题，但其中的游戏测试工作，我很好。

In Amsterdam. He is a Dutch painter, draftsman, and etcher of the 17th century, the greatest artist of the Dutch school, a master of light and shadow whose paintings, drawings, and etchings made him a giant in the history of art.

伦勃朗是一位17世纪画家、绘图家、版画家，荷兰学派的最伟大艺术家，他的明暗法的大师，他的绘画、素描和版画使他成为一位艺术史上的巨匠，其画作体裁广泛，擅长肖像画、风景画、风俗画、宗教画、历史画等。