查询词典 Mirabilis jalapa

Objective To investigate the chemical constituents from the seeds of Mirabilis jalapa.

目的 研究紫茉莉种子的化学成分。

This paper probes into the extraction of the pigment from mirabilis jalapa and its stability.

文章对紫茉莉花色素的提取及其稳定性进行了研究，主要是通过蒸馏水提取色素，用分光光度法测定其吸光度值，从而来判断紫茉莉花的稳定性及影响因素。

The growth character of Mirabilis jalapa. in the Soil contaminated by Cd, accumulating ability of Cd and distribution of Cd in plant tissue were studied in this paper.

研究了紫茉莉在镉污染土壤中的生长特征、对镉的富集能力和体内分布规律。

The results indicate that excessive Cd enhanced oxidative stress and growth inhibition to Mirabilis jalapa plants, especially under HL treatment.

上述结果表明，镉加重了叶片氧化胁迫程度和强化了对紫茉莉生长的抑制，特别在高光强条件下。

Objective To investigate the chemical constituents from the seeds of Mirabilis jalapa. Methods Various chromatographic techniques were used to separate the chemical constituents.

目的 研究紫茉莉子的化学成分方法利用各种色谱技术进行分离和纯化，通过理化方法及NMR、IR和MS 等方法解析其化学结构。

Mirabilis jalapa Linnaeus is a perennial herb of Nyctaginaceae.

紫茉莉是紫茉莉科的一种多年生草本植物。

Laboratory bioassay was conducted to determine the antifungal activities from the root, stems and leaves extracts of Mirabilis jalapa. The results showed that the methanol extracts of Mirabilis jalapa roots and stems had better inhibition actions to mycelial growth of Alternaria kikuchiana Tanaka and Colletotrichum orbiculare.

通过对其根、茎与叶提取物抑菌活性的室内测试结果表明：紫茉莉根甲醇提取物与茎甲醇提取物对梨黑斑病菌和西瓜炭疽病菌菌丝生长具有较好的抑制作用。

Determination on the bioactivity of 3 fractions （nexane, chloroform and water fraction）of the chloroform fractions from stem of Mirabilis jalapa L against 4th instar larvae of Pier/is rapae L.

取食第3天与第5天的拒食率分别为96.80%与99.67%；也测定了紫茉莉茎氯仿提取物各萃取物（正己烷、氟仿和水萃取物）对4龄菜粉蝶幼虫的生物活性。

The poison activity, stomach toxicity action and nonselective food refusal activity of extracts and fractions obtained by extracting the stem of Mirabilis jalapa L against the 4th instar larvae of Pieris rapae L, with 3 polarity solvents（petroleum ether, chloroform and ethanol）were determined by the methods of feeding, leaf-sandwich and leaf dish.

用饲喂法、叶片夹毒法、叶磲法测定了紫茉莉茎的3种极性溶剂提取物及萃取物对菜粉蝶幼虫的毒杀活性、胃毒作用、非选择性拒食活性。

Mirabilis jalapa; chemical constituents

紫茉莉；化学成分

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。