上标

Using potassium antimonite technique, the development of the tapetum and Ca(superscript 2+) distribution in a genic-cytoplasmic male sterile line of Zhenshan 97A and its maintaining line Zhenshan 97B was studied.

利用焦锑酸钾沉淀法研究了野败不育系珍汕97A及其保持系珍汕97B绒毡层细胞的发育过程及其细胞中Ca(上标 2+)的分布变化。

The zonal translation networks on the unit sphere is constructed with the best approximation of spherical harmonic polynomials and the Riesz means. The Jackson theorem of approximation by such kind of zonal translation is established.

借助于球调和多项式的最佳逼近多项式和Riesz平均构造出了单位球面S上的带形平移网络，并建立了球面带形平移网络对LS(上标 q中函数一致逼近的Jackson型定理。

Hydroponics experiments was conducted to study the effect of Cd(superscript 2+) treatment (0, 0.01, 0.10, 0.50, 1.00 mmol/L respectively) on plant growth and some physiological and ecological identities of peanut Arachis hypogea L.

通过溶液培养，研究不同浓度镉Cd(上标 2+，0~1.00mmol/L对花生幼苗生长及生理生态特性的影响。

The flotation behavior of marmatite and arsenopyrite and the effects of Cu2 and organic depressant PALA on their floatability were studied.

通过浮选试验研究铁闪锌矿和毒砂在丁黄药作用下的浮选行为，以及Cu(上标 2+)和有机抑制剂PALA对它们可浮性的影响。

Ca(superscript 2+) could increase the bacteriostatic activity of fermentation liquid significantly.

Ca(上标 2+)可显著提高发酵液的抑菌活性。

Therefore, a new hypergeometric distribution method is proposed for testability estimation and demonstration. Based on hypergeometric distribution, the maximum likelihood estimate method is applied in point estimation, and the Bayes formula is applied for interval estimation, hence a testability demonstration rule is provided.

基于故障检测成功数的超几何分布，利用极大似然法思想研究了RR(上标 FIC指标的点估计方法，利用贝叶斯公式研究了区间估计方法，并给出了测试性验证规则。

Heme oxygenase oxidizes heme to free iron, carbon monoxide and biliverdin, the sole precursor of biliruhin.

血红素加氧酶催化血红素氧化产生自由铁Fe(上标 2+、一氧化碳和胆绿素，后者是胆红素的唯一前体。

Objective To investigate the eliminating ability of catechin to eliminate O(superscript - subscript 2) and OH.

目的：研究儿茶素直接捕获O(上标-下标 2)与OH的能力。

Hydroponics experiment was carried out to investigate iodine uptake in celery and Chinese cabbage.

采用水培法，研究了两种蔬菜对两种不同形态碘源I(上标-， IO3的吸收和积累特性。

Solid superacid SO(superscript 2- subscript 4)/Fe2O3 was prepared and used as a green catalyst to replace traditional vitriol in synthesis of cellulose acetate.

合成了固体超强酸SO(上标 2-下标 4)/Fe2O3，并将其用作浓硫酸的绿色替代催化剂进行纤维素的醋酸酯化反应。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。