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1)  Robinia pseudoacacia var.umbraculifera
伞形槐
1.
Orthngonal design and variance analysis were used to study the optimization of the factors for the transformation of snowdrop lectin(GNA)gene into the leaves of Robinia pseudoacacia var.
采用正交设计及方差分析对以农杆菌(Agrobacterium tumefaciens conn)介导法影响伞形槐(Robinia pseudoacacia var。
2)  umbellate [英]['ʌmbəlit]  [美]['ʌmbəlɪt]
伞形
1.
Placement of umbellate silicagel lacrimal stent performed in treatment of chronic dacryocystitis;
伞形泪道支架治疗慢性泪囊炎126例
3)  A shape umbrella type cover
"A"形伞形罩
4)  umbrella-water-screen
伞形水幕
1.
It is same body type,sleam box type,chimney smoke synthetical clean processor,with three umbrella-water-screensand continuous working.
提出并论述了冲天炉洁玉烟气净化处理(器)系统,它是同体式、笼屉式三级伞形水幕并连续作业的烟气综合净化装置,其上有可高可低的器上烟囱,其下有余热锅炉;它集除尘、除微粒、除有害气体和降温于一体,足以实现常温无污染排放;它不仅适用于冲天炉和其他竖炉,而且还可以普遍推广到一切工业烟囱。
5)  Umbelliferae
伞形科
1.
Study on Antioxidation of Umbelliferae Chinese Herbs;
13种伞形科中药抗氧化能力研究
2.
Wild Umbelliferae Chinese Herb Medicinal Plant Resources and Evaluation in Taihang Mountain Area of Henan Province;
河南太行山区野生伞形科中草药植物资源与开发利用
6)  apiaceae
伞形科
1.
Comparative anatomical study on structural features of mericarp of 5 type species introduced into China in Apiaceae;
中国伞形科5个引种栽培的模式种果实比较解剖学研究
2.
Phenetic Analysis of the Genus Pternopetalum(Apiaceae);
伞形科囊瓣芹属的表型分析
3.
(Apiaceae) were comparatively observed by the paraffin section method.
采用石蜡切片法对伞形科鸭儿芹(Cryptotaenia japonicaHassk。
补充资料:4-甲基伞形酮
分子式:
CAS号:

性质:又称7-羟基-4-甲基香豆素。针状晶体(由乙醇重结晶)。熔点194~195℃(旧文献称185~186℃)。溶于甲醇、冰醋酸。微溶于乙醚、氯仿,不溶于冷水。溶于浓硫酸同时发出蓝色荧光。可使热的氨态硝酸银还原。以间苯二酚与乙酰乙酸乙酯在浓硫酸存在下进行缩合制取。用作分析试剂(测定硝酸)。有镇痉、利胆药效。

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