There was no difference on pregnancy rate of multiparity and nulliparity ( P> 0.05).

Conclusions: The nulliparity or low parity, high fat diet and family history of cancer were major risk factors of ovarian carcinoma.

结论：不孕和孕次较少、动物脂肪摄入量多和有肿瘤家族史是卵巢癌发生的主要危险因素。

This article expoundes the method and course of ionization capacitor filtering test, by analyzing the mechanism or capacitor nullity, the author found out the basic reason of over-capacity, current leakage overfolw and other kinds of nullities.

阐述了电解电容器的老化筛选试验方案和试验过程，并对筛选失效的电容进行了初步的机理分析，找到了容量超差，漏电流超值及其它失效的基本原因。

A method for fabricating zero order nulled silica grating phase masks for 248 nm KrF excimer laser is described.

实验研制了针对波长248nm KrF准分子激光的零级抑制石英相位掩模器。

This wrapper class drops its connection to the DataObject when it goes out of scope, or gets nulled.

此包装类会在超出范围或设置为空时丢弃其到数据对象的连接。

Fabrication of Zero order Nulled Silica Phase Masks for 248 nm KrF Excimer Laser

248nm KrF准分子激光零级抑制石英相位掩模器的研制

The input axis of the azimuth gyro under this condition is vertical, and pendulum unit is nulled.

在这样情况下方位陀螺的输入轴是处于垂直位置，同时摆锤单元在零位。

The nullification of insurance contract means that the tenable insurance contract does not produce entirely or partly legal effects because of its legal cause and promised causes.

保险合同的无效是指因法定原因或约定原因使业已成立的保险合同在法律上全部或部分不产生法律效力。

Nullification assay was used to examine whether EGCG nullify the rescue effect of deoxycytidine ( dCdR) to AraC.

头孢哌酮含量测定用流动相的改进以对消实验研究EGCG能否逆转脱氧胞苷（dCdR）的补救作用；

With the development of GATT and WTO, Nullification or Impairment has been endowed with new meaning now.

“利益丧失或减损”的诞生有着它的特殊意义，但在GATT和WTO不断发展的今天，“利益丧失或减损”一词已被赋予了新的含义。

Anyone who fails to perform the obligations without proper reasons may, upon request by a relevant organization or individual, entail nullification of his right to inheritance by a people's court.

没有正当理由不履行义务的，经有关单位或者个人请求，人民法院可以取消他接受遗产的权利。

On the Lack of the Consensus and the Nullification Movement

论共识的缺失与州废止国会法令运动

There are still peaceful ways to cut the snakes head off, but you and people like you have so far to go in your education that even bring up things like Nullification would be a waste of time.

还是有和平解决大鳄问题的办法，不过，对于你和像你那样没知识的人来说，说这些都是浪费时间。

The people-run non-enterprise unit shall, prior to the processing of nullification of registration, set up a settlement organization and complete settlement under the guidance of the competent business unit and other relevant organs.

民办非企业单位在办理注销登记前，应当在业务主管单位和其他有关机关的指导下，成立清算组织，完成清算工作。

And at last, the author thinks that John Adams has played a pivotal role in American early political history and in the origin of the American conservatism. Nullification in the Early History of U.S.Constitutional Government Credit Metrics developed by J.

通过以上分析，作者认为约翰·亚当斯在美国早期保守主义产生和发展中起到举足轻重的作用，这是美国早期史和政治史研究中不容忽视和回避的重要问题。

Certainly, there will be no credit basis without property. The company basis will die out because of nullification after its liquidation.

公司没有财产，自然没有了信用的基础，公司信用因公司清算后注销而消灭。

The procedural sanction has such forms as discontinuation of action, revocation of the original judgment, exclusion of the illegal evidence, absolute nullification of the procedural act, relative nullification of the procedural act and imposition of a lenient sentence.

程序性制裁有终止诉讼、撤销原判、排除非法证据、诉讼行为绝对无效、诉讼行为相对无效、从轻量刑等主要方式。

Under such circumstances, nullification of corporate personality system emerges as the times require.

在这种情况下，公司法人格否认制度应运而生。

After the nullification of that reply, two problems should be solved: it is not appropriate to totally deny conditional constitutional interpretation;

在该批复废止后，需要正确处理两方面问题：不能将有条件适用的合宪性解释方法彻底否定；

Pyongyang has on several occasions restricted access across the North-South border by suppliers of raw materials, and last month announced the nullification of wage and rent contracts there.

平壤屡次禁止原材料供应商进入北韩境内，上个月还宣布终止在开城工业园区的薪酬合同和租约。

For the processing of nullification of registration, an application for the nullification of registration, examination document of the competent business unit and the settlement report shall be presented.

办理注销登记，须提交注销登记申请书、业务主管单位的审查文件和清算报告。