The trace element Rh exists mainly in native platinum, platinum-iron alloy and Pt-containing osmiridium.

The basic characteristics of osmiridium, and its resources production and processing were discussed.

简要介绍锇铱矿的基本特征和资源状况，生产及处理工艺。

First several basic algorithms of Rough set methods are introduced with an analysis of the time complexity such as some efficient and incremental computing of indiscernibly relation and an improved algorithm of positive region.

具体研究工作如下：一.在Rough集的基本算法方面，提出了计算等价类的快速算法和增量算法以及计算正区域的改进算法，分析了算法的时间复杂度；

Fungi in the rhizosphere during FPS inhibited remarkably the activities of saccharase and urease, bacteria in the soil promoted the activities of saccharase, bacteria in the soil and actinomyces in the rhizosphere in PFS promoted remarkably the activities of urease.

花针期根际真菌显著抑制蔗糖酶和脲酶活性，土壤细菌显著促进蔗糖酶活性，土壤细菌、成熟期根际放线菌显著促进脲酶活性。

In the Loess area, the catalase, urease, phosphatase and saccharase activities in rhizosphere soil of 6 years old walnut decreased with the depth of spatial profile, indicated that the soil enzymes activities may be related with the root secretion.

渭北黄土区6年生核桃根际土壤的过氧化氢酶、脲酶、磷酸酶和蔗糖酶活性的空间变化随着土层剖面的加深而活性降低，说明土壤中各种酶的活性可能和核桃根系的分泌物有关。

After fertilization of corn straw for 2 months, Soil saccharase, urease and catalase activities enhanced with the dosage increased, but changed a little when the usage beyond 1.2%.

4个月后，玉米秸用量为1.2%的处理土壤脲酶、蔗糖酶、过氧化氢酶活性最高。施用麦秸的处理土壤脲酶、蔗糖酶、过氧化氢酶活性均随用量增加而升高。

Simultaneously, the activities of catalase, protease, phosphatase and saccharase decreased in M. prunifolia rhizosphere soil exposed to root leachate. 6.

同时，根系浸提液处理降低了根际土壤的过氧化氢酶、蛋白酶、磷酸酶和蔗糖酶活性。

The effects of ecological improvement on soil were expressed as follows: saccharase neutral phosphatase urease catalase.

生态改良对土壤中四种酶活性的影响大小依次为：蔗糖酶脲酶中性磷酸酶过氧化氢酶。

The experiment has signified: if the rice soil of fertility level is higher, the activity of saccharase is stronger;

肥力水平较高的水稻土，转化酶的活性较强；

This paper is to study the activity of saccharase and the relation between the activity and the soil organic matter and all the nitrogen.

本试验是探索转化酶的活性及其与土壤有机质和全氮的关系。

In this article, we will present the application of ANN in remotely sensed image recovery, transposal and classification: ( 1) using ANN and necessary ancillary data sets to retrieve thermal radiant data caused by coal fire;

使用ANN进行遥感图像处理在遥感图像复原、变换和分类中有如下应用：（1）使用ANN和必要辅助数据从TM图像中提取地下火热辐射数据；

Both EN and standard PN can not maintain intestinal membrane barrier and hold up the occurrence of intestinal bacteria transposal in obstructive jaundice rats, but the effect of EN is better than PN;

肠内及标准肠外营养都不能维持OJ大鼠肠黏膜屏障及阻止肠道细菌移位，但肠内营养组好于肠外营养组；

Intestinal tract antibiotics can step down incidence rate of endotoxemia and profit to hold up the occurrence of intestinal bacteria transposal.

肠道抗生素可降低内毒素血症的发生率及有利于阻止细菌移位。

Conclusion ① When intestinal barrier is injuried, bacteria transposal and endotoxemia exist in obstructive jaundice;

结论：①OJ时肠道屏障功能受损，发生细菌移位及内毒素血症；

On the Establishment and Development of A Prison Administrative Pattern of Two-Way Transposal

论双向易位监管模式的建立与发展

Transposal of the achievement subject is a main cause for non-market failure and low efficiency of the resources collocation when information is insufficient.

在信息不对称条件下，政绩价值主体易位是导致非市场失灵以及资源配置低效率的重要原因。

Try to avoid misunderstanding of role, maze of role and transposal of role.

要避免角色误区，防止角色迷失和角色易位等。

I talked back and asked questions.

我顶了嘴，反问了几句。

Institutor Zhou Huiquan argues Liao and Jin Dynasty literature is the crystallization of cultural infusion and supplement of Han and Northern Nationalities.

周惠泉研究员认为，辽金文学是汉文化与北方民族文化融合互补的结晶；

By control phased array antennas in real time, the motion compensation system will guarantee the invariableness of the antenna direction and gain high resolution radar images.

通过实时控制相控阵天线，实现了载机在姿态发生变化时依然保证波束稳定地指向测绘带中心，从而得到高分辨率的图像。

Material invariableness calculation is performed for the process of wastewater passing through fixed adsorption bed, and the equation of penetration locus is derived.

对废水通过固定吸附床的过程进行了物料衡算，确定了穿透曲线方程。