单叶的

Extraction and Determination of Total Flavonoids from Root,Stem and Leaf of Suaeda australis

目的单因素试验了不同体积分数的乙醇、料液比、提取温度及提取时间等因素对南方碱蓬叶总黄酮提取率的影响。

Leaves dentate or subentire; flowers few to 10 in cymes or subumbels on peduncles, often hairy; style lobed, rarely simple

叶具牙齿的或近全缘；在花序梗上的花很少到10朵生于聚伞花序或近伞形花序，通常有毛；花柱放高球，很少单 2

Leaves alternate, long petiolate, 2-4 × ternately compound, rarely simple; stipules membranous; leaflets lanceolate, ovate, or broadly ovate to elliptic, margin dentate.

叶互生，具长叶柄， 2-4 *三出的化合物，很少单；托叶膜质披针形，卵形的小叶，或宽卵形到椭圆形，边缘具牙齿。

The blowing inlet port can be divided into more than 10 forms, forming 1 to 4 different blowing directions. It can be used with bisecting multi-vane adjusting valve or single vane opening blast volume adjusting valve with a valve-board pattern.

按照扩散的形式可以分成10多种，可以形成1-4个不同的送风方向，可与对开多叶调节阀或单开阀板式风量调节阀配套使用，拆装方便。

Sprayed different concentration ethephon on maize varieties Ping'an 18 (the upright-leaf type) and Sidan 19 (horizontal-leaf type) before tasselling stage to discuss the influence of ethephon on plant height, leaf area, dry matter weight and yield.

在抽雄前对玉米品种平安18和四单19喷施不同浓度的乙烯利，探讨其对株高、叶面积、干物重和产量的影响。

Absolute potassium content in sugar beet root reached the highest in the harvest time and they improved for as much as the increase of the applies potassium quantity.

叶和叶柄中的绝对含钾量呈单峰曲线变化，峰值分别出现在7月中旬和8月中旬左右。块根的绝对含钾量至状获时达到最高水平。

Leaves not reduced to scales; branchlets not as above, fewer than 100 in a single plant.

叶而不是退化至鳞片；小枝不如上，100在一单的植物的少于。

The monophyly of monocots receives 98% bootstrap support in the combined analyses of three genes.

单子叶植物的单系性在3个序列联合分析中得到98%的强烈自展支持。

Buds back of the pick must be a tick, remove the fish leaves, single-chip, such as inclusions, in order to maintain the neat and well-spaced degrees of raw materials.

采回的芽苞必须经过拣剔，剔除鱼叶、单片等夹杂物，以保持原料的匀整度。

In order to understand engine vibration caused by malfunctions such as improper spark-plug gap, deposit, spark-plug wear, injector failure, unfit belt tension, loosening of spark-plug cable, misfire, this study employs time-frequency analysis which is based on Short Time Fourier Transform.

为了要了解引擎在常见之故障如火星塞的积碳、间隙变小与磨损、喷油嘴积碳卡住、皮带松动、火星塞高压线松动造成单缸失火等现象时引擎振动的变化，本文采用短时傅立叶转换之时-频分析。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。