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Problems Encountered and Countermeasure Adopted During Processing of Shengli High-sulfur and High-acidity Crude

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China Petroleum Processing & Petrochemical Technology 2007年第2期9卷 17-22页

作者： hu zhenghai Shengli refinery SINOPEC Qilu Petrochemical Company Zibo 255434

The centralized processing of high-sulfur and high-acidity crude has contributed to improvement of the overall economic benefits of the oil refining enterprise, but has also resulted in crude emulsification, severe corrosion of process units and environmental protection issues. The long-cycle, safe and smooth operation of process units were guaranteed after selection of optimal processing routes and adoption of a series of technical measures.

关键词： high-sulfur and high-acidity crude corrosion emulsification process route

Accumulation and Dynamic Trends of Triterpenoid Saponin in Vegetative Organs of Achyranthus bidentata

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Journal of Integrative Plant Biology 2009年第2期51卷 122-129页

作者： Jinting Li zhenghai hu Key Laboratory of Resource Biology and Biotechnology in Western China Ministry of Education Northwest University Xran 710069 China College of Life Sciences Henan Normal University Xinxiang 453007 China

The relationship between structural features of various vegetative organs and triterpenoid saponin accumulation in Achyranthus bidentata Blume was investigated using anatomy, histochemistry and phytochemistry. The results showed that the primary and secondary structures of roots, and the structures of stems and leaves of A. bidentata, were similar to those of ordinary dicotyledonous plants. The enlargement of its roots, however, was primarily associated with growth and differentiation of tertiary structures. There were collateral medullary vascular bundles in addition to the normal vascular bundles in the stem. The tertiary structure was not only main parts in the roots of A. bidentata, but also important storage region of triterpenoid saponin in its growth and development. The stem may be the essential transport organ of triterpenoid saponin, while palisade parenchyma may be the primary synthesis location. In November, the total quantity of triterpenoid saponin and overall biomass in the roots reach a maximum level. This was the best time, therefore, to harvest the roots and corresponded to the traditional harvest period. Despite the withered appearance of leaves, stems also contained substantial amounts of triterpenoid saponin, and it was recommended that the stems of A. bidentata should be used.

关键词： Achyranthus bidentata anatomy oleanolic acid triterpenoid saponin

Floral Organogenesis and Ring Meristem in <i>Phytolacca</i>

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American Journal of Plant Sciences 2015年第3期6卷 445-455页

作者： Hongchun Zheng Anming Lu zhenghai hu Department of Biology and Technology Shaanxi Xueqian Normal University Xi’an China Institute of Botany Chinese Academy of Science Beijing China Life Science College Northwest University Xi’an China

To further study the floral organogenesis and discussing the floral origin of Phytolacca, the procedures of floral organogenesis were observed in Phytolacca esculenta and Phytolacca zhejiangensis. The results showed that the floral organogenesis was consistent in Phytolacca. Their sepals were 2/5 helix, and with counter-clockwise and clockwise, usually the first sepal located at non-median of abaxial side. The first sepal of Phytolacca esculenta was initiated at non-median of adaxial side. There was no evident relationship between sepal and stamen initiating position, and the stamens initiated on ring meristem, they initiated approximately at the same time, and when the androecium member was numerous, they initiated centrifugally, the outer stamen initiated irregularly. Carpel initiated alternately with inner stamens. And the carpels connected by septum, if the septum grew more, the carpel was syncarpous at morphology, otherwise the carpel was apocarpous at morphology. So the syncarpous and the apocarpous have no successively relationship on evolution. Ovule initiated inside the carpel and opposite to carpel. Androecium, carpel and ovule initiated at ring meristem.

关键词： Phytolacca Floral Organogenesis Stamen Carpel Ovule Ring Meristem

A General Theorem of the Alternative in the Context of Set-Valued Function

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运筹学学报 1997年第2期1卷 34-40页

作者： zhenghai huANG YUDA hu(Department of Statistics and Operations Research, Fudan University, Shanghai 200433, China)(Department of Applied Mathematics, Shanghai Jiaotong University Shanghai 200030, China) 复旦大学统计与运筹学系上海上海交通大学应用数学系上海

In this paper, we produce a general theorem of the alternative in the context of setvalued function, which is an extension of a number of existing theorems of the *** our discussion, real topological vector space is t... 详细信息

关键词： Set-value Function Theorem of the alternative Generalized cone-subconvexlike

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芦竹修复镉汞污染湿地的研究

应用生态学报 2005年第5期16卷 945-950页

作者：韩志萍胡晓斌胡正海湖州师范学院湖州313000 西北大学生命科学学院西安710069

以湿土盆栽方法研究了芦竹在Cd和Hg污染模拟湿地中的富集能力及其在植株中的分布.结果表明,芦竹在101mg·kg-1Hg污染环境中生长8个月后,对Hg的富集量是根系>茎>叶片,植物地上部分对Hg富集量为200±20mg·kg-1DW;而在115mg·kg-1Cd污染... 详细信息

以湿土盆栽方法研究了芦竹在Cd和Hg污染模拟湿地中的富集能力及其在植株中的分布.结果表明,芦竹在101mg·kg-1Hg污染环境中生长8个月后,对Hg的富集量是根系>茎>叶片,植物地上部分对Hg富集量为200±20mg·kg-1DW;而在115mg·kg-1Cd污染环境中生长8个月后,其对Cd的富集量是叶片>根系>茎,芦竹叶片对Cd的富集量在160±26mg·kg-1DW.重金属在芦竹各器官内的含量随种植时间的延长而增加,8个月生长期富集量比4个月生长期富集量高30%～50%.芦竹生物富集系数(Bio concentrationfactorBCF)随土壤中重金属含量增加而减小.在污染土壤中,芦竹叶、茎对Hg的BCF为1.9和2.1、对Cd为1.5和0.3;在未受污染的空白对照湿土中(含Hg6.8mg·kg-1,Cd8.5mg·kg-1),芦竹叶、茎对Hg的BCF为6.8和12.2,对Cd为7.0和2.7,表明芦竹具有生物量大、根系发达、适应性强等特点,对Cd、Hg有较大富集量和较好的耐受性.

关键词：芦竹植物修复湿地生物富集

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漆树韧皮部的结构与发育

林业科学 2012年第9期48卷 36-41,I0001-I0003页

作者：赵猛魏朔南胡正海西北大学生命科学学院西安710069 山西师范大学临汾041004

漆树所产生漆是从其树干韧皮部采割而来。应用植物解剖学技术对陕西的3个漆树品种的韧皮部进行结构及其发育变化研究,结果表明:3个漆树品种韧皮部的基本结构无明显差别,次生韧皮部由垂直系统的筛管、伴胞、韧皮薄壁细胞、石细胞、乳汁... 详细信息

漆树所产生漆是从其树干韧皮部采割而来。应用植物解剖学技术对陕西的3个漆树品种的韧皮部进行结构及其发育变化研究,结果表明:3个漆树品种韧皮部的基本结构无明显差别,次生韧皮部由垂直系统的筛管、伴胞、韧皮薄壁细胞、石细胞、乳汁道以及径向系统的韧皮射线组成。在当年产生的次生韧皮部中,筛管发育成熟,具输导功能,韧皮薄壁组织和射线尚处于幼嫩期,乳汁道也在分化发育中,此部分称具功能韧皮部。具功能韧皮部外侧为往年产生的次生韧皮部,其中的筛管萎缩,失去输导功能,称为无功能韧皮部,占据韧皮部大部分区域;无功能韧皮部薄壁细胞的体积增大,进而挤毁筛管;乳汁道发育成熟,大量分泌生漆,韧皮射线可增至3～5列细胞。此外,在无功能韧皮部中由部分韧皮薄壁细胞分化形成石细胞群,并有部分乳汁道腔内部形成拟侵填体堵塞乳汁道。漆树韧皮部的上述结构和发育特点与其生理功能相关,可为合理采割生漆提供科学依据。

关键词：漆树韧皮部乳汁道结构发育

Ultrastructure of the Multicellular Nodules in Hypericum perforatum Leaves

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Acta Botanica Sinica 2002年第6期44卷 649-656页

作者：刘文哲吕洪飞胡正海西北大学生命科学学院西安710069

With the development of the multicellular nodules in the leaves of Hypericum per plastids increased both in number and volume, and some plastids degenerated and were surrounded by dark tubular elements and vesicles. Some vesicles fused with vacuoles and secreted substances into vacuoles. There are many multivesicles, multimembrane structures and osmiophilic droplets in vacuoles of nodule cells. Meanwhile, dictyosome secreted vesicles into the vacuoles. However, there is a large central vacuole completely filled with secretory materials (hypericin) in matured multicellular nodules. This suggests that the osmiophilic droplets may be a precursor of hypericin originated from the degenerated plastids. There were abundant endoplasmic reticulums and dictyosomes between the plastids and osmiophilic droplets, suggesting that they may be involved in the synthesis and/or transport of the precursor of hypericin.

关键词： Hypericum perforatum multicellular nodules ultrastructure hypericin

A STUDY ON FORMATION OF BAST FIBERS IN THE STEM OF APOCYNUM LANCIFOLIUM RUS

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Chinese Science Bulletin 1980年第9期25卷 773-778页

作者：胡正海田兰馨 Department of Biology Northwestern University

Apocynum lancifolium Rus is a kind of shrub-like herbaceous plant belonging to Genus Apocynum L. of Family Apocynaceae. It is widely distributed and grown abundantly in China and considered as a resource plant for var... 详细信息

关键词： Apocynum Genus Apocynaceae shrub usage Family spinning elongation bundle sheath

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木兰科14种植物叶片中油细胞的比较研究

武汉植物学研究 2000年第1期18卷 10-14页

作者：蔡霞胡正海西北大学植物研究所西安710069

利用组织透明法、石蜡切片法对木兰科 5属 1 4种植物叶片中油细胞进行比较研究 ,结果表明 :油细胞都呈圆形或椭圆形 ,直径 30～ 50 μm。从透明叶片观察 ,大多数植物叶片油细胞分布于脉间区 ,少数种的少数油细胞分布在脉上 ,其中 5种植... 详细信息

利用组织透明法、石蜡切片法对木兰科 5属 1 4种植物叶片中油细胞进行比较研究 ,结果表明 :油细胞都呈圆形或椭圆形 ,直径 30～ 50 μm。从透明叶片观察 ,大多数植物叶片油细胞分布于脉间区 ,少数种的少数油细胞分布在脉上 ,其中 5种植物的部分油细胞与叶脉末端相接触。从叶横切面观察 ,其中 8种植物的油细胞散布于整个叶肉中 ,3种植物的油细胞分布于栅栏组织及栅栏组织和海绵组织交接处 ,另 3种植物的油细胞仅分布在栅栏组织和海绵组织交接处及海绵组织中。此外 ,5种植物的个别油细胞紧邻上表皮或下表皮 ,还发现 4种植物叶中有油细胞形成的溶生腔。以上的一些特征具有分类学的意义。

关键词：木兰科油细胞结构