黑化

So, Anopheles dirus-Plasmodium yoelii is a suitable model for study of defense mechanism of mosquito.

为了系统研究按蚊抗疟的分子机制，特别是PPO基因在黑化包被疟原虫反应中的作用。

Objective To investigate the depigmentation effect of Tri-Luma, kojic acid and arbutin cm human tanning spot.

目的 评价Tri-Luma曲酸和熊果苷外用对人体黑化模型的脱色效果。

Apart from body color of puparial cuticle, there were microstructure differences which were found out by scanning electron microscopy. SEM had denser, more packed structure of the puparial exuviae than that of SEW.

扫描电镜分析结果表明，相对于SEW，SEM的蛹表皮结构更加的致密，表明黑化除了引起蛹的体色发生变异外，还引起蛹表皮结构发生了细微的差异。

The causes, controls and biology of insect melanism are significantly different among different insects.

昆虫黑化形成的原因与类别多种多样，黑化的遗传调控和分子基础也各不相同。

Objective To study the change of intracellular free Ca2+ in the oocyst when it melanized and to find out the relationship between the melanized oocyst and its intracellular level of free Ca2+ in a Plasmodium-refractory strain of Anopheles dirus.

目的研究大劣按蚊蚊胃的约氏疟原虫卵囊黑化时卵囊内Ca~(2+)的变化，探讨疟原虫感染不易感蚊种时卵囊黑化与囊内Ca~(2+)的相互关系。

Genetic heredity experiments showed that the inheritance of the melanic characteristics was incomplete dominance and autosomal and followed the Mendalian law.

结果表明，SEM蛹黑化性状的遗传是不完全显性遗传，遵循孟德尔的不完全显性遗传规律，控制黑化性状的基因位于常染色体上，与性染色体无关。

A selenious acid type solution of better performance was obtained by the test of polarization curve, the test of corrosion resistance and the test of duration life.

研究改进了现行的钢铁件常温黑化工艺，通过极化曲线测试、耐蚀性测试、寿命测试得到了性能良好的常温亚硒酸体系黑化液。

This daytime darkening is valuable for protection against enemies and sunlight ,and for many years it was thought to be a simple response by the crab to the sun-just as if we were to get a tan during the day and lose it at night.

这种白昼黑化是针对敌人和阳光的有价值的自我保护，很多年以后，它被认为是蟹对于太阳光的一种简单反应，就像我们人类白天皮肤被太阳晒黑，晚上又会白回来。

This daytime darkening is valuable for protection against enemies and sunlight, and for many years it was thought to be a simple r esponse by the crab to the sun-just as if we were to get a tan during the day and lose it at night.

这种白昼黑化是针对敌人和阳光的有价值的自我保护，很多年以来，它被认为是蟹对于太阳光的一种简单反应，就像我们人类白天皮肤被太阳晒黑，晚上又会白回来。

Our professional committed to the linked to a plating, Shen copper basket, and the basket, the nickel basket,-socket board, socket board - Plating and other supplies.

本厂专业致力于电镀用挂具，沉铜篮、黑化篮、化镍金篮，插板架，插板架等电镀用品。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐