向性运动

6株IgG类抗人精子单克隆抗体主要引起精子的尾&尾凝集，并能阻止精子在宫颈粘液中的前向性运动；

Six strains of IgG mainly produce T-T agglutination of spermatozoa and being able to prevent the spermatozoa from forward movement in the cervical mucus .

生长素（auxin）是最早被发现的一类植物激素，调控许多植物的生长和发育过程，包括胚胎的形成，脉管的分化，器官形成，向性运动和根系构造的形成。

Auxin is the first plant hormone discovered in experimental biology , regulates a host of plant developmental and physiological processes , including embryogenesis , vascular differentiation , organogenesis , tropic growth , and root architecture .

个人能力的形成一般表现为两个对向性运动的过程：一个是个人通过受教将各种知识内化；另一个是个人通过实践将所掌握的知识外化。

The formation of personal ability is achieved through the two reverse movements , one is the acquisition of different knowledge by education and the other is the employment of the obtained knowledge through practice .

Ca2+作为细胞内、外信号的重要的第二信使，在向性运动的信号转导中起了重要的调节作用，着重综述了Ca2+在向光性和向重性运动的信号转导中的作用。

Ca2 + plays an important regulation role in regulation of signal transduction of tropism as the second messenger of inside and out of cells . The effect of Ca2 + on signal transduction during phototropism and gravitropism movements was summarized on stress .

6-甲氧基-2-苯并唑啉酮（MBOA）分布不均匀是引起玉米胚芽鞘向光性运动的主要原因

Unequal Distribution of 6 methoxy 2 benzoxazolinone ( MBOA ) is the Main Reason for Phototropism in Maize Coleoptiles

玉米胚芽鞘向光性运动的一些特性

Some characteristics of phototropism in maize coleoptiles

混沌动力学理论结合3DEC反演建模，研究坚硬顶板运动的阶段特征得出，可以控制坚硬顶板从冲击性整体运动向周期性分段运动转化，并实现对其运动状态的短时预测。

Studying stage features of hard rock roof with chaotic dynamics and numeral model based on back-analysis , this project finds that system state may be transformed from whole shock to periodic fall and predicted for short time .

冲击性顶板悬露到一定范围时，实施防冲击措施可提高系统的阻尼，促使坚硬顶板从整体大范围冲击性运动向周期性分段运动转化。

If the area of hanging impacted roof is large enough , measures to prevent rock burst may improve damping level of the system and change movement of the hard roof from impacted mode to periodic mode .

与此同时，跨断层形变测量（1982～1998）也揭示出，NE向断层呈压性运动，NW向断层呈张性运动。

At the same time , the cross faults deformation survey ( 1982-1998 ) indicates that the faults orienting NE show compressing motions and the ones orienting NW show extending motions .

向触性（向性运动）：是响应外界接触的一种感性运动。

Haptonasty ( haptonastic movements ) A nastic movement in response to contact .

向氧性：一种刺激方向为氧气的向性运动

Aerotropism A TROPISM in which the orientating stimulus is oxygen .