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Fourthly, taking three groups of water quality data of Jinhe River as original data, prediction to water quality of the river was made. Compared with real monitored value, the error of predicted value of all of simulating terms, including dissolved oxygen, bio-chemical oxygen demand, chlorophyll a, organic nitrogen, ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, organic phosphorus, dissolved phosphorus and temperature, were basically within error limit of 20%, which validated the validity of the model.

第四，以津河三组水质数据为原始数据，通过建立的模型对津河水质进行预测，水质变量溶解氧、BOD、叶绿素、有机氮、氨氮、亚硝酸盐氮、硝酸盐氮、有机磷、溶解性磷和温度的预测值与实际监测值均在所设定的误差范围20%之内，验证了模型的有效性。

N this paper, the photolysis of dissolved anthracene and pyrene in water, simulated seawater and natural seawater were studied by fluorimetry. The effects of various environmental factors on the photodecomposition of the dissolved An and Py in SSW were investigated.

本文首次用荧光光谱法研究了溶解态多环芳烃蒽和芘在水、人工海水及天然海水中的光降解过程，考察各种环境因子对溶解态蒽和芘在人工海水中光降解的影响。

Iron oxides would continue to be formed or at least not to be dissolved under oxic conditions, and the sediments in brown to red color will then be dominant. While in a reducing environment, iron oxides will be dissolved, with the possible migration of iron ion in the ocean, and then buried as siderite, pyrite, or other ironbearing minerals.

氧化强氧化条件利于沉积物中氧化铁的持续产生或者至少保持不被溶解的状态，从而形成棕色-红色沉积物；还原条件利于沉积物中铁氧化物的溶解，形成菱铁矿、黄铁矿等形式的埋藏，并可能造成溶解铁在海洋内的迁移。

Emission spectra,spatial distribution of fluorescence,relations between chromophoric dissolved organic matter fluorescence and absorption coefficient, dissolved organic carbon concentration were studied based on the measurements from December 2004 to March 2005 in Lake Taihu.

利用紫外分光光度法和荧光法测定了2004年12月到2005年3月太湖不同湖区有色可溶性有机物的吸收和荧光，分析了CDOM荧光发光光谱、空间分布及其与吸收系数、溶解性有机碳浓度之间的关系。

The polymeric sol is obtained by process of preparing a calcium salt solution, containing calcium ethoxide dissolved in organic acid, and a phosphate solution, containing triethyl phosphite or triethyl phosphate dissolved in the organic acid, mixing the calcium salt solution with the phosphate solution to produce a mixed solution, and aging the mixed solution.

本发明的磷酸钙化合物的聚合物溶胶是通过如下步骤制备的：制备含有溶解在有机酸中的乙醇钙的钙盐溶液和含有溶解在该有机酸中的亚磷酸三乙酯或磷酸三乙酯的磷酸盐溶液；及将该钙盐溶液和该磷酸盐溶液混和制得混合溶液，并老化该混合溶液。

Study of the effects of dissolved oxygen and superoxide dismutase on the fluorogenic reaction showed that dissolved oxygen and superoxide radical were relevant to the fluorogenic reaction system.

实验中考察了溶解氧、超氧化物歧化酶对反应体系荧光衍生反应的影响，结果表明体系的荧光反应与溶解氧和O〓〓·有关。

When hydrochloric acid was added into saccharin sodium solution,chemical reaction happened,whose product was glucide,which cannot be dissolved in water,however,it can be dissolved by ethyl acetate,therefore glucide can be extracted from other components,then can be determined by titration with sodium hydroxide.

利用糖精钠与盐酸反应生成不溶于水而溶于乙酸乙酯的物质，将其萃取出来，然后再利用氢氧化钠对其进行滴定分析，采用二分试差法准确测定了某镀光亮镍添加剂中糖精钠及某镀光亮镍液中糖精钠的含量，分别为88。

In this paper, initiator is dissolved in 1-bromopropane which is solvent. Then the propene and hydrogen bromide that can be dissolved in 1-bromopropane are inlet in l-bromopropane when initiator is decomposing. The reaction occurs in fluid phase and high-purity 1-bromopropane is synthesized by one step method. In this paper, the material HBr is synthesized with NaBr and sulfuric acid at the presence of hydrobromic acid.

本论文以1-溴丙烷为溶剂，将引发剂溶于其中，加热到引发剂开始分解时再通入丙烯和HBr，使二者溶解于1-溴丙烷中，在液相中进行反应，实现丙烯&一步法&合成高纯1-溴丙烷利用NaBr与硫酸在氢溴酸存在下反应制备HBr气体，以作为合成1-溴丙烷的原料。

It looks like white powder,no smelling ,can not be dissolved in the water but it can be dissolved in the ethano and lipin.

其外观呈白色粉末状，无嗅无味，不溶于水，但可溶于乙醇和油脂。

In the light of the problem of the superstandard dissolved oxygen in the feed water of the direct air-cooled unit, analyzes on the causes of the superstandard dissolved oxygen in the feed water of the power plant s boilers, and puts forward some measures for the corresponding treatment.

针对直接空冷机组给水溶氧在实际运行中存在的超标问题，分析了造成电厂锅炉给水溶氧超标的原因并给出了相应的处理措施。

We were cousins—his grandfather was King of Scots,and his great-grandfather was Henry VII of England.

我们是堂姐弟——他的祖父曾是苏格兰国王，他的曾祖父是英格兰的亨利二世。

I do want to help you, but I am in a quandary now!

我是想帮你，但是我现在左右为难啊！