1) occupied farmland
占田
1.
Farmland system in the Western Jin Dynasty includes occupied farmland and state-owned farmland.
西晋的占田和课田都是田制。
2) land-holding systems of jin and eastern dynasties
两晋占田制
3) Farm Land
田
1.
Farm Land ——The Terrestrial Art Liberated from the Old Tradition;
走出传统禁锢的土地艺术:田
4) occupancy
[英]['ɔkjəpənsi] [美]['ɑkjəpənsɪ]
占有，占用
5) xanthene
[英]['zænθin] [美]['zænθɪn]
占吨
1.
Microwave-assisted synthesis of 14-aryl-14H-dibenzo[a ,j] xanthene;
14-芳基-14H-二苯并[a,j]占吨衍生物的合成
2.
Polymer-supported Sulphonic Acid Catalyzed One-pot Synthesis of 14-aryl-14H-dibenzo[a,j] xanthenes;
聚合物负载磺酸催化合成苯并占吨
3.
The molecule has a Y style structure which is composed of two parts of butterfly-like xanthene and almost planar isobenzofuran.
合成了螺［异苯并呋喃－１（３Ｈ），９＇－（９Ｈ）－２＇－Ｎ，Ｎ－二苄胺基－６＇－二乙胺基占吨］－酮－３，Ｃ＿（３７）Ｈ＿（３４）Ｎ＿２Ｏ＿３，单斜晶系，空间群Ｃｃ，晶体学参数为ａ＝１６。
6) site substitution
占位
1.
First-principle calculation for site substitution of 3d transition metal elements in NiAl intermetallic compound;
3d过渡金属在NiAl中占位的第一原理计算
2.
Site substitution of 4d transition metal(TM) elements in L10-TiAl intermetallic compound were investigated with the first-principle method based on plane-wave pseudopotential theory.
通过对Ti7Al8X与Ti8Al7X超胞的合金形成能的计算、比较与分析发现:合金化元素的外层电子数,特别是外层的d电子数对其在L10-TiAl合金中的占位有非常明显的影响,d电子数较少的前过渡金属Y,Zr,Nb和Mo主要优先占据Ti原子位,而d电子数较多甚至是满d壳层的Rh,Pd,Ag和Cd则主要优先占据Al原子位。
补充资料：占田制
晋初限制土地占有量的制度。西晋时为保证赋税收入和徭役负担，于公元280-289年间规定男子占田七十亩，女子三十亩，各级官员按品级高低占五十顷至十顷不等。但制度无法真正实施。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条