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Objective:To measure the proportion of monocyte-macrophage(CD64~+)in AA patient s bone marrow,the expression of RCAS1 mRNA in bong marrow mononuclear cells,and the influence of RCAS1 to colony forming unit-erythrocyte,colony forming unit-common precursor of granulocyte and macrophage;evaluate the monocyte-macrophage(CD64+),RCAS1 and their influence to the hematogenesis;explore the role of MPS in the pathogenesis of AA.

中文摘要：目的：测定再生障碍性贫血患者骨髓中单核—巨噬(CD64~+)细胞的比例，骨髓单个核细胞RCAS1 mRNA的表达水平以及RCAS1对红系形成集落、粒-单形成集落的抑制程度，评价单核—巨噬(CD64~+)细胞及其分泌的RCAS1对造血功能的影响，探讨单核-吞噬细胞系统在AA发病机制中的作用。

Ultrasound chemical precipitation method was used to synthesize the precursor powderswith the ammonium oxalate and nickel nitrate hexahydrate as the raw materials.

然后，以Ni(NO_3)_2·6H_2O和(NH_4)_2C_2O_4·H_2O为原料，采用超声化学沉淀法制备出氧化镍前驱体，XRD图谱表明前驱体为NiC_2O_4·2H_2O，FTIR谱图分析进一步验证得到的前驱体是NiC_2O_4·2H_2O。

In order to expand the utilization fields of wood and decrease the costs of carbon fiber,carbon fiber precursor from liquefied wood was prepared by soaking liquefied wood in the solution of hydrochloric acid and formaldehyde,after melt-spinning by adding hexamethylenetetramine.

为了扩大木材的应用领域和降低碳纤维的成本，以木材液化物为原料，加入六次甲基四胺熔融纺丝，经甲醛和盐酸溶液固化处理后获得木材液化物碳纤维原丝，利用IR、XRD、拉曼光谱分析仪等初步揭示了木材液化物碳纤维原丝在炭化过程中微结构的变化。

New York Life became the first commercial user of Hollerith punchcard equipment- a very early precursor to the computer.

纽约人寿成为Hollerith打卡机的首家商业用户，这种打卡机是电脑的前身。

New York Life became the first commercial user of Hollerith punch-card equipment- a very early precursor to the computer.

纽约人寿成为Hollerith打卡机的首家商业用户，这种打卡机是电脑的前身。

Anti-histidine-tag antibody is usually used for identification of expression of the recombinant protein expressed using pRSET-A. A pair of primers that contained flanking hydropathic amino acid codons were synthesized, to amply the sequence coding for 10~34 aa in the precursor sequence.

质粒pRSET-A是一个常用的高效原核表达载体，编码一N端含组氨酸标签（6×His）的34aa前导肽序列，以方便利用抗组氨酸标签抗体鉴定或纯化所表达的重组蛋白。

The most obvious precursor of our present hypochondriac culture was Andy Warhol, who lived most of his life in a state of anxiety regarding the ailments and imperfections of his 'bad body.

当下强迫症文化的一位人所共知的先驱者要算安迪·沃霍尔。由于自己"糟糕身体"的病痛和缺陷，沃霍尔一生大部分时间里都生活在焦虑状态中。

The most obvious precursor of our present hypochondriac culture was Andy Warhol, who lived most of his life in a state of anxiety regarding the ailment s and imperfections of his 'bad body.

当下强迫症文化的一位人所共知的先驱者要算安迪·沃霍尔。由于自己"糟糕身体"的病痛和缺陷，沃霍尔一生大部分时间里都生活在焦虑状态中。

The most obvious precursor of our present hypochondriac culture was Andy Warhol, who lived most of his life in a state of anxiety regarding the ailments and imperfections of his "bad body."

当下强迫症文化的一位人所共知的先驱者要算安迪·沃霍尔。由于自己"糟糕身体"的病痛和缺陷，沃霍尔一生大部分时间里都生活在焦急状态中。

The present invention provides a novel method of using hypophosphite precursor thermal decomposition to prepare for Ni2P.

本发明提出一种通过次磷酸盐前体热分解来制备Ni 2 P催化剂的新方法。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"