甲基

Objective: To investigate the role of p16 gene aberrant methylation in the malignant progression of human bladder cancer.

目的：研究膀胱移行细胞癌中p16基因甲基化失活及其在肿瘤发生中的作用。

Aberrant DNA methylation is one of the major characteristics of tumor cells in addition to genetic and other epigenetic alterations.

DNA甲基化的异常是肿瘤细胞的主要特征之一，此外还有遗传的和其他表观上的改变。

Consistent with these important roles, a growing number of human diseases have been found to be associated with aberrant DNA methylation.

同这些重要功能相符合的是，越来越多的人类疾病被发现同DNA甲基化的异常有关。

Aberrant DNA methylation has been linked to cancer.

异常的DNA甲基化与癌症的发生密切相关。

In addition, the study identified three other genes that were abnormally methylated in both tumor and normal tissues.

另外，这个研究还发现了三个另外的基因，他们在肿瘤和正常的组织中均不正常的甲基化。

Ingredient: This product is a kind of carboxymethyl cellulose sodium salt ,which generated from the interaction between Absorbent cotton gauze in alkaline conditions and chloroacetic acid .

成份：本品为脱脂棉纱布在碱性条件下与氯乙酸作用生成的纤维羧甲基醚的钠盐。

The influence of surfactants CTMAB and CPC on the absorption spectra, calibration curve, and acidity of Al-CAS colouring system was studied.

对表面活性剂［十六烷基三甲基溴化铵和氯化十六烷基吡啶］在吸收光谱、工作曲线和显色酸度等方面对铝－铬天青S显色体系的影响进行了研究。

Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying.

以精制棉、氯乙酸、氢氧化钠和过氧化氢为原料，经过碱化、醚化、洗涤、干燥，制得羧甲基纤维素钠。

Tebufenpyrad, a new high effective pyrazoleamide acaricide , was synthesized from 1-methyl-3-ethyl-4-chloro-5-pyrazolecarbon acid and 4-t-butylbenzylamine, the raw material are propionyl pyruvic ethyl ester and 4-t-butyl benzylchloride.

吡螨胺是一种新型、高效的吡唑酰胺类杀螨剂，本文以中间体1-甲基-3-乙基-4-氯-5-吡唑甲酸和4-叔丁基苄胺合成，起始原料丙酰丙酮酸乙酯和4-叔丁基苄氯，总收率为61.23%。

This paper introduces using industry naphthalene to production process to deeply process watering_oil in spare time of production so as to achieve industry acenaphthene and methylnaphalene etc.

利用工业萘生产装置，在工业萘生产的空余时间，对洗油进行深加工，制取工业萘及甲基萘等产品，实现一套装置的多种使用，提高企业经济效

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。