聚甲醛

The copper/paraformaldehyde functure nanocomposite materials are made by high energy ball mill .

采用高能球磨法制备了铜/多聚甲醛纳米功能复合材料。

All of the specimens collected were divided into two parts, one part for immunohistochemical staining after fixated by 4% paraformaldehyde, the other part for culturing fibroblasts.

所有取材部位未经任何治疗，标本经无菌取材后分成2份，其中一份用40 g/L多聚甲醛固定后用于免疫组织化学检测，另一份用于成纤维细胞培养。

Methods After fixed by paraformaldehyde, vascular endothelial cells from pigs were co-cultured in vitro with natural killer cells from Chinese monkeys at different ratios. The change of the cytotoxicity of natural killer cells occurring after this contact and the content of IFN-γ and TNF-α in the supernatants were detected.

将中国猕猴的NK细胞与多聚甲醛固定后的猪血管内皮细胞按不同比例进行体外混合培养，检测NK细胞在以不同比例接触靶细胞后的杀伤活性变化以及培养液上清液中的IFN-γ及TNF-α含量。

Paraformaldehyde in PBS was a good fixative for mRNA preserving, structure identifying and tissue section cutting.

与其它固定液比较，我们发现4％多聚甲醛磷酸盐缓冲液能较好地保存细胞中的RNA，并且结构清晰，切片容易。

Acquisition of high-quality chromosome suspension: The chromosome suspension released from homogenization suited for flow karyotypic analysis and sorting after fixed in 2% paraformaldehyde for 20 minutes and purified through 10% and 30% sucrose concentration gradient.

高质量染色体悬液制备结果：同步化的根尖细胞经2%多聚甲醛固定20 min，机械匀浆释放染色体并结合10%及30%蔗糖浓度梯度纯化释放的染色体悬液。

MAIN OUTCOME MEASURES: The seeded cells were observed under inverted microscope; at 1, 2, 3 weeks after seeding, the BMSCs were treated with 4% paraformaldehyde and stained with hematoxylin-eosin; The protein content in seeded cells was determined by bicinchoninic acid assay, and the content of DNA was quantified using Hoechst33258 assay at 5, 10, 14 days after culture.

主要观察指标：倒置显微镜下观察细胞形态；于培养1，2，3周采用40 g/L多聚甲醛固定，常规组织切片，苏木精-伊红染色；在培养5，10，14 d用Hoechs33258荧光法定量测定细胞内DNA含量，BCA法测定蛋白质含量。

The optimum dyeing conditions were shown: viral samples fixed with 0.1% paraformaldehyde for 30 min at 4℃, stained with SYBR Green I 1 × 10^(-4 commercial concentration for 10 min at 80℃.

杆状病毒最佳染色条件：质量分数为0.1%的多聚甲醛固定病毒30min后，加入一定量的SYBR Green I在80℃下孵育10min。

Polyoxymethylene is one of the important engineering plastics. Its modification is in great demand for the national economy.

聚甲醛是一种重要的工程塑料，其高性能化是国民经济关键需求。

The influence of heat treatment on the crystallization behavior of polyoxymethylene was investigated.

考察了热经时处理对聚甲醛结晶行为的影响。

INVESTIGATION ON THE POLYMERIZATION MECHANISM, STRUCTURE AND MORPHOLOGY OF RADIATION-POLYMERIZED POLYOXYMETHYLENEⅠ.

辐照聚甲醛聚合机理、结构与形态的研究——Ⅰ。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。