1)  the Open-center Shape
开心形
2)  open centre model
自然开心形
1.
The natural open centre model improved spring shoot and autumn shoot s length,the ratio of fruit setting, yield,quality,the content of SSC,carbohydrate, Vc compared with CK, Pengna navel orange s fruit setting increased 6 44%, yield increased 80% and Niuheer navel orange .
结果表明 ,朋娜脐橙或纽荷尔脐橙以自然开心形的整形修剪方式较好 ,其次是自然圆头形和变则主干形。
3)  Standard open center shape
高干开心形
1.
The relationship between the dynamic distribution of the microclimate (including radiation, temperature and relative humidity) in tree canopy and the types of branches and leaves as well as the fruit quality was studied by using 12-year Red Fuji apple orchard trained as Standard open center shape.
Fuji)为试材,系统研究了高于开心形树冠微气候因子(光、温度、湿度)的动态变化与枝量和果实品质的关系,主要研究结果如下: (1) 高干开心形红富士苹果亩枝量6。
4)  Low stem and open center shape
低干开心形
1.
5 m three-dimensional boxes and determined physiological and ecological indicators in each box of three different shapes (Small and sparse canopy shape, Freedom spindle shape, Low stem and open center shape) in 12-year-old Fuji apple orchard.
本研究通过对渭北南部地区三种主要树形(小冠疏层形、自由纺锤形和低干开心形)的12年生红富士苹果,利用树冠分割法将树冠分割为0。
5)  three open-center shape
三主枝开心形
1.
A comparative study on the three open-center shape plant characteristics,photo flux distribution,and photosynthesis P.
对丰水梨三主枝开心形生长表现及光照分布、光合速率等指标的测定,结果表明,三主枝开心形通风受光条件好,相对光强大于35%,净光合速率大于10。
6)  single-layer high-position open-center system
单层高位开心形
1.
Branch quantity,branch composition,leaf area index and illumination condition of single-layer high-position open-center system in“Xiangling”walnut at different ages are determined.
以不同年龄段的香玲核桃树为试验材料,对各个年龄段单层高位开心形枝量、枝类组成、叶面积系数及光照情况进行了测定,结果测得香玲核桃盛果期树单层高位开心形树相指标为:单株主枝数8个左右;每公顷中长枝8。
补充资料：J形及L形密封
分子式：
CAS号：

性质：两种均为唇形橡胶密封，截面形状分别为J形和L形。多为纯橡胶制品，也有少数是夹布制品。根据使用条件，一般用天然橡胶或丁腈橡胶制造。结构较简单，摩擦力低，专用于气压或液压机械设备的活塞及活塞杆密封，工作压力在1MPa以下，如用于汽车和火车制动系统及离合器操纵系统中，起传递压力和密封的作用。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。