用...作交换

The agriculture soils of Baimahu ,Lushan and Zoujiao are the typical cases in the suburbs of Changde. Rice soil and vegetable plot are the two typical agriculture soils, we collected 6 samples according to the scientific method in these three areas. After air dry, contuse, screen and make soil samples, we tested their 9 indexs of PH, organic-substance, total phosphorus, quick-acting phosphorus. Then analysed the fertility condition of these areas. Then apply feasible suggestion of fertilizer after putting forward science and suiting measures to local conditions etc, by Compare with the documents and materials. Absorb to Model TAS-986 atom spectrophotometer examine with flame law (air - acetylene ) terms of potassium make deep discussion especially.

白马湖，芦山乡和陬郊的耕作土壤是常德市郊区耕作土壤的典型代表，在这三个地区分别就水稻土和菜地这两个基本的土地耕作类型按科学的方法共采集了6个样品，经过风干，研碎，过筛制成土样后，测定了它们的PH，交换性酸，有机质，全磷，速效磷等9指标，从而对该地区耕作土壤肥力状况进行分析，对比文献资料，总结分析结果，针对不同地区不同的土壤状况，提出了科学施肥，因地制宜等可行性建议，尤其是对TAS—986型原子吸收分光光度计用火焰法测钾的条件作了深入的探讨。

GC/MS analysis showed that the poly (1,1'-bisnaphthol carbonate), 2-ethylhexyl acetate, heptanone,octene and acetic acid were formed during the ester interchange.

本文用金属化合物作催化剂进行1，1′-联二萘酚-4，4′-二乙酸酯和二(2-乙基己醇)碳酸酯的酯交换反应，评价了不同金

Small cylindrical beads made from polished shells and fashioned into strings or belts , formerly used by certain Native American peoples as currency and jewelry or for ceremonial exchanges between groups Also called peag

贝壳串珠：由磨光后的贝壳制成的穿成链或带状物的小圆柱形珠子，早先某些美洲土著民族用其作为货币与珠宝或用于部落之间礼仪交换之物也作

The CO2 uptake rate of plants is affected by the plant species and environmental conditions such as photosynthetically active radiation, temperature, water and nutrient contents. PAR is the most immediate environmental control on photosynthesis while air temperature affects both photorespiration and dark respiration. In the natural condition, PAR and temperature play an important role in net CO2 uptake. The effects of PAR and air temperature on the CO2 uptake of Pterocarpus macrocarpus grown in a natural habitat were studied in the present work. Due to many uncontrollable factors, a simple rectangular hyperbola could not represent the measured data. The data were divided into groups of 2℃ intervals; CO2 uptake in each group may then be related to PAR by a rectangular hyperbola function. Using the obtained functions, the effect of PAR was removed from the original data.

用涡度相关法对亚热带红壤丘陵区人工针叶林的二氧化碳、水、热通量进行了观测，重点分析了23m、39m两层高度的观测结果，同时把观测期分为春季和冬季两个不同时间段作了对比：结果表明，不管冬季还是春季，39m高度所测的总通量值和夜间通量值都要小于23m的观测值，这种通量差别表明：23m高度的观测结果更接近当地生态系统与大气之间的通量交换值，在此种生态类型条件下用涡度相关法测碳通量时，在23m、39m两层高度之间仍然存在大气平流现象；该试验区植被在冬季仍然可以进行光合作用，而且光合作用所吸收的CO2大于呼吸作用所排放的CO2，因此该种生态系统在冬季仍表现为碳汇；春季的碳通量值为冬季的2倍以上。

The system is running slow: the virus takes up memory and CPU resources to run in the background a large number of illegal operations; hardware configuration is low; the procedure to open too much or too much; system configuration is incorrect; if it is running on the network when the majority of is due to configuration of your machine caused by too low, is also possible that the network is busy at this time, there are many users to open a program at the same time; there is a possible lack of hard disk space you used to run the program for temporary exchange of data.

10，系统运行速度慢：病毒占用了内存和CPU资源，在后台运行了大量非法操作；硬件配置低；打开的程序太多或太大；系统配置不正确；如果是运行网络上的程序时多数是由于你的机器配置太低造成，也有可能是此时网路上正忙，有许多用户同时打开一个程序；还有一种可能就是你的硬盘空间不够用来运行程序时作临时交换数据用。

The esterification reaction of hexane diacid with 2 ethyl hexanol was studied by using modified β zeolite as catalysts.

用改性β沸石作催化剂，研究了己二酸与2－乙基己醇的酯化反应，讨论了阳离子交换度、焙烧温度及表面酸性对催化活性的影响。

Thou hast by moonlight at her window sung with feigning voice verses of feigning love, and stolen the impression of her fantasy,with bracelets of thy hair,rings,gauds,conceits,knacks,trifles,nosegays,sweetmeats-messengers of strong prevailment in unharden'd youth;with cunning hast thou filch'd my daughter's heart,turn'd her obedience,which is due to me,to stubborn harshness.

2楼你写诗句给我的孩子，和她交换着爱情的纪念物；你在月夜到她的窗前用做作的声调歌唱着假作多情的诗篇；你用头发编成的腕环、戒指、虚华的饰物、琐碎的玩具、花束、糖果——这些可以强烈地骗诱一个稚嫩的少女之心的&信使&来偷得她的痴情；你用诡计盗取了她的心，煽惑她使她对我的顺从变成倔强的顽抗。

The way I combated this was to exchange a day that I was not going to diet on the weekend.

我对此作出的回应就是，用周末原本不节食的某天来作交换。

Spherical composite inorganic ion-exchanger s,hydrated titanium dioxide-hydrated antimony pentoxide,were prepared using sol-gel method and their ion exchange properties for Sr 2+and Cs + as well as their composition,structure and stability were investigated in this paper.

用溶胶 凝胶的方法制备了水合二氧化钛水合五氧化二锑球形复合无机离子交换剂，研究了其对Sr2 +和Cs+的离子交换性能，并对其组成、结构及稳定性作了初步的研究。

A COMPARATIVE STUDY ON KINETICS OF ION EXCHANGE IN BINARY SYSTEM FITTED BY THREE MODELS$$$$SONG YINJIE;ZHAO AIMIN（Department of Modern Physics, Lanzhou University,730000）ABSTRACT A"three-necked flask"technique is employed for the study of the kinetics of H~--UO ionexchange system with strong acidic cation exchange resin.

文章以强酸性阳离子交换树脂作交换剂，用三颈瓶法研究了H￣＋UO￣＋离子交换反应动力学。

This is not an ordinary box, which is used as a background picture of the dialog box, very pretty.

详细说明：这可不是一个一般的对话框，它是用图片作为背景的对话框，非常好看。

Conceal me what I am,and be my aid for such disguise as haply shall become the form of my intent.

遮掩我的身份，帮助我，我的面具将成为我的目的。