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Carbon black was oxidized by concentrated nitric acid at 100℃ for 100 h to obtain a CB with excellent lymphatic tracing properties, which were characterized by XPS, alkalimetric titration and a staining test.

为了得到具有优异淋巴示踪特性的炭黑，利用浓硝酸在100℃下氧化炭黑100h。

Using five kinds of different alkalized conditions in the experiment, the result showed that alkalization by strong ammonia was the best condition and obtained the highest rate of alkaloids.

在实验中采用五种不同的磁化条件，结果证明以浓氨水进行碱化为最佳条件，生物减收率最高。

Aniline compounds are used as raw material and reacted with anthranilic acid and then phenyl iodide as alkylating agents to give alkylating products followed by cyclizing with concentrated sulphuric acid to give a N-phenyl-acridone(or 3-ethoxyl-N-phenylacridone).The structure of intermediate and target compound are determined by IR and MS.

以苯胺类化合物为原料，先后以邻氯苯甲酸和碘苯为烷基化试剂进行了N 烷基化反应，再用浓硫酸使其环化制得N-苯基吖啶酮和3-乙氧基-N-苯基吖啶酮，并用红外光谱及质谱仪检测了各中间体及目标产物的结构。

The cancer cells are in different differentiation periods: the chromatin of the young cancer cell's nucleus is rich in color and its cytoplasm is basophilous. The young cancer cells don't form into typical glandular cavity; The mature cancer cell is columnar or cubical and its nucleus is located at the base of the cell in gland tube-like arrangement; The decrepit cancer cell stain thin while its nucleus stain dense. The severer's nucleus disintegrate into small fragments. The decrepit cancer cell's arrangement is disorganized, only keeping its glandular shape.

显微镜下癌细胞呈现不同的分化程度：幼稚型癌细胞胞核染色质丰富，胞质嗜碱性，不形成典型腺腔；成熟型癌细胞呈柱状或立方状，细胞核位于细胞基部，呈腺管样排列；衰老型癌细胞胞桨染色变淡，胞核浓染，严重者胞核碎裂成细小碎片，衰老型癌细胞排列紊乱，仅保留腺体样结构轮廓。

Uptake behaviors of 103Ru and 106Ru by bivalves were great differences: most of 103Ru uptake by the bivalves was in shells and 106Ru mainly distributed in soft tissues.6 The concentration biokinetics

扁藻、'J'球藻和简单角毛藻对这 7种核素的累积在 48 h内即达到平衡，浓集因于为 10'－10'。

This shows that the relationship between Mainland and Taiwan is truly a brothership!

这充分表明了台湾和大陆之间血浓于水的关系。

Accelerated solvent extraction and Soxhlet extraction were used to extract capparis spinosa seed oil with he-xane and ethyl ether.

采用加速溶剂萃取及索氏提取法，用正己烷和乙醚为提取剂从野西瓜种子中提取油脂，经浓H2SO4催化，甲醇甲酯化处理后，以气相色谱-质谱联用技术鉴定出野西瓜种子中的脂肪酸主要组成为：油酸、亚油酸、硬脂酸等，其中不饱和脂肪酸总量占91.4%，主要成分油酸占73.3%。

Ketoheptamethylenimine was prepared by one-pot reaction of cycloheptanone with concentrated sulfuric acid. In this step, oximation and rearrangement occurred .

制备庚内酰胺时，我们采用了&一锅反应&的方法，环庚酮、浓硫酸和硫酸羟胺混合在一起，经过肟化、重排一次得到庚内酰胺。

Quickly color the lobster meat and deglaze with the presed juice, let reduce, season.

将龙虾肉快速上色并用压出的汁上浆，汤收浓，调味。

In this paper,the strong acid cation exchange resin has been studied as the catalyst for the esterification of gulonic acid .

选用强酸性阳离子交换树脂代替浓硫酸催化剂，对古龙酸的甲酯化反应进行了探索性研究。

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。