信息素

This is the first investigation with bioassay of components of the gland in a bird species.

这也是国内首届将最终确定的高档动物信息素份子揭晓在国际专业杂志上。

There is a choice of perfume enhanced pheromone fragrances for women.

是有选择的香水增强信息素的香水，为妇女。

Watch any construction worker whistling at a passing woman from half a block away, and you can see how visual cues can be more powerful.

看到建筑工人向半个街区远的女性吹口哨时，你就会发现视觉信号比信息素更有效。

Not only had early life not yet created the space -- worker bee, queen relationship, honey from flowers, tree, hive, pheromones ---- in which to stage the show, it had not created the tools to make the space.

早期生物并不仅仅是未能创造出空间——工蜂，蜂后关系，采自花朵的蜂蜜，树，蜂巢，信息素——都在那里上演，它还没有创造出制造空间的工具。

Not only had early life not yet created the space -- worker bee, queen relationship, honey from flowers, tree, hive, pheromones ---- in which to stage the show, it had not created the tools to make the space.

早期生物并不仅未能创造出空间——工蜂，蜂后关系，采自花朵的蜂蜜，树，蜂巢，信息素——这些都在那空间里上演，而且还没有创造出制造空间的工具。

Not only had early life not yet created the space -- worker bee, queen relationship, honey from flowers, tree, hive, pheromones ---- in which to stage the show, it had not created the tools to make the space.

早期生物不仅还未能创造出大戏上演的空间——工蜂、蜂后关系、花蜜、树、蜂巢、信息素，而且还没有创造出制造这类空间的工具。

The field test showed that the aggregation pheromone, female weevils and sugarcane had good attractive effect.

田问诱集试验结果表明，聚集信息素、活雌虫和甘蔗对红棕象甲成虫有好的大田诱集作用，菠萝和假槟榔田间诱集效果不明显。

The results suggested that all the five attractants showed attractive efficacy to some extent, among which the aggregation pheromone, the female weevils and sugarcane showed strong attractive effect.

结果表明，5种试验材料对试虫有一定引诱作用，其中聚集信息素、活雌虫和甘蔗诱集效果最明显。

--Bishomomanicone, a constituent of the mandibular gland secretion of the ant M. rubida and of the oak moss oil of E. prunastri Ach. was prepared from-4-methylvalerolactone through 10 steps with the overall yield 2.9%.

R-4-甲基戊内酯经过开环、脱羧、双羟化等10步操作，以2.9%的收率合成了蚂蚁信息素--Bishomomanicone，该化合物也是橡苔精油的组成成分之一，合成中的关键步骤是Li2CuCl4催化的碘化物与格氏试剂的偶联，以及HWE反应。

The formulation of OYOD transformer s phase sequence adjustment is a combinatorial optimization problem with non-linear and non-differential objective function.

针对OYOD变压器相序调整是一个组合非线性及不能微分目标函数的最优化问题，提出用蚁群算法来求解OYOD变压器的相序调整问题，以提高负载平衡能力，同时提出一种变信息素挥发系数的方法以提高算法解的质量和收敛速度。

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％。