查询词典 concentration on

The values of AFC50(media antifeeding concentration)at 24h on the 3rd instar larvae of Ostrinia furnacalis was 3408.31μg/ml, according to 2275.22μg/ml of media azedarach.

结果表明：蟛蜞菊4个不同部位中，以花的甲醇提取物拒食效果最好，24h对亚洲玉米螟3龄幼虫的AFC50为3392.28μg/ml，对照印楝为2228.72μg/ml。

Firstly, the secondary absorb measurement mechanism is designed based on the absorbing spectrum of azide methemoglobin, and the concentration equation is derived.

首先，基于叠氮高铁血红蛋白溶液的吸收光谱曲线设计了二次吸收测量机理，并明确了浓度计算公式。

Radioimmunologic method was used to evaluate the influence of th e complex prescription of regulating the spleen and stomach on the pentylenetetr azole kindled rats and changes of the opioid peptides concentration in th e brain.

为了研究调理脾胃复方的抗痫作用，本实验采用放免法观察大鼠PTZ点燃以及服用调理脾胃复方治疗后，脑内阿片肽含量的变化。

Some are in life transitions, among them a baby-faced 50-year-old Silicon Valley engineer, a recently divorced man, who said that the practice of manually fixing his attention on a tiny spot of a woman's body improves his concentration at work.

其中一位50岁却长着娃娃脸的，不久前离了婚的硅谷工程师声称，手动地将自己的注意力集中在女人身体上某一小部位上，这样做有助于提高工作中的注意力。

With orthogonal experiments,the main factors of affecting on survivd of Barberry(Berberis thunbergii DC.f.atropurpurea Rehd.) hard branch cuttage such as position and width of scion,ABT1 concentration and cuttage substract were studied systemically.

对紫叶小檗硬枝扦插育苗的主要影响因素：插穗选取部位、插穗粗度、ABT1号生根粉的处理质量浓度、扦插基质等，通过正交试验进行了系统研究。

This paper introduced current research on concentration and impurity removal of bauxite in 1990s.

概述了90年代铝土矿选矿除杂的研究现状，对已存在的除杂方法进行了系统综述，并探讨了铝土矿选矿的发展趋势。

The essence of concentration is that the full powers of the mind should be centered on the task in hand .

专心最重要的是把心灵的全部力量集中于当前正在从事的工作上面。

The essence of concentration is that the full powers of the m in d should be centered on the task in hand.

专心最重要的是把心灵的全部力量集中于当前正在从事的工作上面。

The essence of concentration is that the full powers of the mind should be centered on the task in hand.

在身心疲乏的时候，一个人不能非常圆满地做到这一点。

You will be tired on the day of your exam, and that will certainly affect your concentration.

你会在考试时疲惫不堪，这样也会影响你的注意力。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。