查询词典 B.c.

052 Describes and claims a body of polycrystalline dielectric ceramic material having a lead zirconate--lead titanate--lead stannate composition falling within the area A B C E F of the triaxial diagram 1d of the drawings accompanying this specification and containing at least one substitutional additive ingredient selected from the group consisting of elements having respective ionic radii sufficiently close to the ionic radius of one of the elements lead, tin, titanium, zirconium and oxygen to permit of substitution, and a valence state differing from that of said one element by less than three units, the aggregate quantity of additive ingredient amounting to from 0.1 to 5 percent of the replaced ion on an atom basis, each additive ingredient present in said material being in ionic form and substituting for a finite percentage of the ions of a particular one of the elements lead, tin, titanium, zirconium and oxygen with respect to which it conforms with regard to ionic radius and valence state, said additive ingredient replacing a quantity of said elements having in the aggregate an equal number of valence units.

参考译文：第 1012052 号专利说明书介绍一种含有锆酸铅，钛酸铅，锡酸铅的多晶陶瓷介质材料，其组成在说明书附图 ld 三元相图中处于 A B C E F 区域内，该组成至少还含有一种置换添加物，这种添加物从一组离子半径分别接近于铅，锡，钛，锆，氧的元素中选出，以利于互相置换，而与上述一种元素化合价之差应小于三价。该添加物的总量为被置换离子的 0.1%~5%克原子。上述材料中的每种添加物是以离子形式存在的，它以一定的百分数置换铅，锡，钛，锆，氧中的某一元素的离子。添加物在离子半径和价数上必须类似于上述任一元素，并且置换添加物的量与被置换的元素在总体上具有相等的化合价数。本句由两个简单句构成，一个主句，另一个是定语从句。

I am seven years old.I can say A, B, C....

我七岁了，我可以说 A B C

Established based on the B/C network teaching system.

建立起了基于B/C的网络化教学系统。

Pr has little effect on the magnetic properties of (Nd1-xPrx)9.4Fe75.6Ti4B10.5C0.5 ribbons, ribbons with Br between 0.86T and 0.90T, iHc about 1000kA/m, andmax between 130kJ/m3 and 136kJ/m3 are all achieved with different ratio of Nd and Pr following their optimal crystallization annealing, which implies that it is possible to prepare high performance, low rare earth content nanocomposite Di-Fe-Ti-B-C permanent alloys with didymium directly.

Pr对合金薄带磁性能影响不大，直接利用稀土矿的次级分离产物Di来制备高性能低稀土含量纳米复合Di-Fe-Ti-B-C永磁合金完全可行，制备出的合金剩磁Br在0.86T与0.90T之间，内禀矫顽力iHc在1000kA/m左右，最大磁能积max介于130kJ/m3与136kJ/m3之间。

As the trough of D, E and the slot F (it belongs to the other end of spiral) of the sealing surface of convergence, there is a triangle similar to a positive gap a'b'c ', so D, F, E will also be connected.

由于在槽D、E与槽F相衔接的密封面上，也存在着类似于正面的三角形缺口a'b'c'，所以D、F、E也将相通。

As the slot D, E and slot F (it belongs to the other end of spiral) converging sealing surface, there are also similar to the front of the triangle gap a'b'c ', so D, F, E will be connected.

由于在槽D、E与槽F相衔接的密封面上，也存在着类似于正面的三角形缺口a'b'c'，所以D、F、E也将相通。

Finally, the influence of trialkyl borane BPh〓, B (c-hexyl 〓 and B 〓 on ethylene polymerization by metallocene was studied.

本文还研究了烷基硼化物BPh〓、B(c-hexyl〓和B〓对茂金属催化体系的影响。

His only comment was, Tell B.B.C., I will broadcast at nine tonight.

& 他只说了一句：&告诉B.B.C。，我今晚九时发表广播讲话。

With the help of my classmate's taperecorder i listen to the voice of america and b.b.c every day.

借助于我同学的录音机，我每天收听美国之音和b.b.c。

With the help of my classmate's tape recorder i listen to the voice of america and b.b.c every day.

借助于我同学的录音机，我每天收听美国之音和b.b.c。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。