查询词典 seeds

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。

The temperature, pH and crystal seeds were found to be critical for Fe precipitation as jarosite.

结果表明温度和晶种以及溶液pH值是影响铁矾沉淀的重要因素。

Autumn has arrived, and will fall Kapok fluff and seeds.

秋天来临了，会落下木棉花的绒毛和种子。

Kassim al-Katib said the seeds kill the witchweed as the sorghum grows.

Kassim al-Katib说，种子会随着高粱的生长而杀死独脚金。

Cusin Cutive (Kassim Al-katib) said the seeds kill the witchweed as the sorghum grows.

Kassim Al-katib说种子在高粱生长的时候就会杀死独脚金。

I'm trying to keep my seeds up!

我试着让我的种子了！

Another Englishman went to Brazil and collected more seeds, which he sent to Kew.

另一个英国人到巴西去，采集更多的种子，然后送往基尤。

Capsule ovoid, pore cracking, seeds are many and small, kidney-shaped brown.

蒴果卵球形，孔裂、种子多而小，肾形棕褐色。

Berry-shaped stone Chen Shui-bian spherical or kidney-shaped, mature Local tastes from Tokyo's red seeds 2, Chen Shui-bian round, yellow-white.

浆果状核果扁球形或肾形，成熟时鲜红色；种子2，扁圆形，黄白色。

A recent study published in the journal Nature has found that spotted knapweed, which was introduced to North America through imported alfalfa seeds more than a century ago, has likely been able to spread so profusely, not because it lacked insect enemies, but because it lacked microscopic soil enemies.

在《自然》杂志上发表的一项近来的研究发现，斑点矢车菊一世纪以前随着苜蓿种子的进口进入北美洲，随后四处扩散的原因并不是缺少昆虫天敌，而是缺少微小的土壤敌人。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。