二型性

喜马牡丹花粉二型性及其病毒侵染

Pollen Dimorphism and Virus Infection in Paeonia Emodi

本研究为雌雄触角形态的二型性提供了超微结构水平上的证据。

This study provided ultrastructural evidence for the sexual morphological dimorphism of the antenna .

热带假丝酵母二型性菌体细胞的形态和结构差异

Differences in Shape and Inner Structure in Dimorphism of Candida tropicalis

酵母二型性菌体的蛋白质电泳分析

The electrophoresis of protein in dimorphism of Candida tropicalis

这表明在小麦的活体花药中也存在花粉二型性现象。

This indicated that the pollen dimorphism also presented itself in the anthers on wheat plants .

成熟花药有四个小孢子囊，花药壁发育属双子叶类型，绒毡层细胞具有二型性的特点。

Mature anther has four clinandrium and the development of anther wall follows the dicotyledon type . Tapetum is the secretory type .

通过雌成虫、一龄若虫的形态研究，结合其生态观察，发现后3个种皆具生态二型性。

The ecological dimorphism of the three species was studied in relation to the morphological study and ecological observation of adult females and first-instar nymphs .

和大部分鳞翅目昆虫一样，家蚕具有精子二型性：上蔟吐丝前产生有核精子，之后则产生无核精子。

As most of the Lepidopteran insects , the silkworm has sperm dimorphism . They generate sperm with nuclei before the silkworm spinning , after that , they produce sperm without nuclei .

应用间接免疫荧光法和免疫酶法检测宫颈脱落细胞中单纯疱疹病毒二型特异性抗原

The application of indirect immunofluorescent and IMMUNOENZYMIC technique detected herpes simplex virus ⅱ type specific antigen in exfoliative cervical cells

通过建立二次型耗散性与增广系统的正实性之间的等价关系，利用正实引理得到了线性连续系统严格二次型耗散的充分必要条件。

For the system without uncertainty , the equivalence between quadratic dissipative and positive realness is established by augmenting the system , and the characterization of strictly quadratic dissipative linear system is thus obtained using the Positive Real Lemma .

本文利用二次型的正定性讨论了n（n≥3）元函数的极值问题。

N ( n ≥ 3 ) variable extreme value problems are discussed by the positive definite property of quadratic form .

二次型半正定性在不等式证明中的应用

The Application of Positive Semidefinite Quadratic Form to Proof of Inequality

噻二唑型油溶性金属减活剂的研究和应用

Development and Application of Thiadiazole Type Oil-soluble Metal Activation Inhibitor

用二次型的正定性判断晶体相稳定性

The Judgement for Crystal Stability of Phase in Positive Definite Quadratic Form

对于多元正态随机变量二次型的独立性的证明，最重要的是证明一个引理。

It is very important to prove a lemma for the proof of the independence between two quadratic forms of multivariate normal variables .

针对区间二型模糊逻辑的特点，在三种区间二型模糊性测度公理化定义的基础上，提出了新的区间二型模糊相似度、模糊包含度与模糊熵。

According to the characteristics of interval type-2 fuzzy logic , new similarity measure , inclusion measure and entropy of interval type-2 fuzzy sets ( IT2 FSs ) are proposed based on their axiomatic definitions .

给出了二次型在某种条件下正定、负定性判别定理及推论，从而推广了二次型的正定性。

In the paper , we give the determination theorems and inferences of the positive and negative definite of quadratic form in some conditions , and thus extend the positive definite nature of quadratic form .