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Under the different pH conditions, the migration and transformation behavior of each form of phosphorus released from the lake sediments into water body was studied by means of simulation. The results show that under alkalic condition or acidic condition, the temporal and spatial distribution of phosphorus in the water body changes with its releasing mechanism, and its migration and transformation behaviors are various. The change of pH value has no obvious effect on such transformation, but the total phosphorus in the water body has substantial effect on the concentration change of various forms of phosphorus.

通过室内模拟湖泊沉积物在不同pH条件下，研究释放到水体中各种磷形态的迁移转化行为，结果表明：碱性条件和酸性条件下，水体磷的时空变化由于其释放机制的不同，其迁移转化行为各不相同，同时，pH值的变化对水体中各种磷的相互转化没有明显的作用，各种磷形态的浓度变化，在很大程度上取决于水体中总磷的浓度。

In connection with the character of Boc L-Glutamic Acid and aminoacetic acid structures, the reaction of aminoacetic acid acylated via Boc Anhydride has been studied on the condition of CH3OH in the paper. The yield of the derivatives is characterized by the melting point, the content of carboxylgroup and the product purity. The results showed that the best experiment condition is followed.

本论文以甲醇作为均相反应介质，Boc酸酐与谷氨酸为原料，在碱性条件下，以产物的熔点，羧基含量以及产物纯度作为产物质量确定的指标，最终得出N-Boc-谷氨酸的合成最优条件。

Among them,12 ears used epiderm had continous dilatation for 3～6 months,and no constrictive or atretic condition occured;7 ears used intermediate split thickness skin graft had no dilatation after operation,and no scars in donor;4 ears used skin flap had no dilatation after operation,and no constrictive or atretic condition in external auditory canal.

内容提要采用皮片和皮瓣为23耳行外耳道成形术，其中采用表层皮片12耳，术后持续扩张3～6月，未发生狭窄或闭锁；采用中厚皮片7耳，术后不扩张，供皮区无瘢痕增生；采用皮瓣4耳，术后未扩张，外耳道无狭窄或闭锁。

Company of northward forest products is set in Burnie with south the ash research center with new Ridg-ley, main research the activity is centered in tree of ash of establish of thaw condition sow to plant, shine especially fruit eucalyptus He Laan , these two trees are planted look at present most agree with Dasimaniya grows below the air temperature condition of city northwest ministry.

北方林产品公司设在Burnie以南Ridg-ley新的桉树研究中心，将主要研究活动集中在暖和气候条件下种植桉树树种，非凡是亮果桉和蓝桉，这两个树种目前看来最适合于塔斯马尼亚州西北部的气温条件下生长。

According to Wurtz reaction, if we can control solvothermal reactive condition to make the four C-Cl bonds in the carbon tetrachloride broken incompletely, according to the mechanism of Wurtz reaction, some kinds of free radicals or carbonium ions will be produced in solvothermal condition.

那么，如果控制反应条件，使四氯化碳等小分子碳氯化合物中的氯原子不完全脱掉，根据Wurtz反应机理，反应体系中将产生大量的碳氯自由基或碳正离子，它们在溶剂热条件下按照一定的生长规律进行组合，必将生成大量的多氯代多环芳香化合物。

In extremely arid condition, the survival rate curve of annual plants presents a Deevey Ⅲ type , while in relatively humid condition, the survival rate curve has a medial distribution type.

一年生草本植物的存活曲线在特别干旱条件下完全表现为DeeveyⅢ型，但在降水相对充足的情况下，存活曲线表现为中间类型。

Subsequently,enol methylation of P in basic condition completed the synthesis of malyngamide O.Applied this route to the synthesis of malyngamides Q and R,the chiral unsaturated acid was connected with the vinyl chloride part by amidation,then the resulting product was converted into the corresponding aldehyde,followed by aldol condensation of the aldehyde with the chlorotitanium enolate of pyrrolidone to complete the skeleton of malyngamides Q and R,then the synthesis of them was completed via enol methylation in acid condition.

该合成路线拓展应用到malyngamides Q和R的合成时，首先用酰胺键将手性不饱和脂肪酸和烯氯片段连接，再转化成相应的醛，与乙酰基吡咯酮进行TiCl_4催化的aldol反应即得到malyngamides Q和R的骨架结构，再经过酸催化的烯醇甲基化反应完成了Q和R的全合成。

And then, the second-order reaction rate constant was K =0.025 L/. The removal of ethanethiol in raw water by potassium permanganate under coagulation condition was poorer than in pure water condition, So predicted concentration of potassium permanganate was lower than real concentration.

高锰酸钾在原水混凝条件下对乙硫醇的去除效果劣于纯水条件下的去除效果，在水中其它有机物与高锰酸钾反应条件下高锰酸钾浓度变化的拟合结果与实际情况存在偏差，是产生差异的主要原因。

The paper studies fault diagnosis technology based on fruticose gas pipe network which is universal in small towns,and gives a particular description of domestic and foreign gas pipe network fault diagnosis technique based on hardware and software currently. The author uses graph theory to build up hydraulic analysis model of natural gas network and presents its solution methods. Besides, the author works out the relation between gas pipe pressure and flux in unsteady condition of fluid flow according to pressure boundary condition and differential equation group, and puts forward fault diagnosis methods and steps of the fruticose natural gas pipe network of middle pressure based on the simplification of this relation.

本文针对小城镇比较普遍的枝状天然气分配管网进行故障诊断技术研究，详细叙述了目前国内外基于硬件和软件的燃气管网故障诊断技术，利用图论理论建立了天然气管网水力分析模型并叙述了其求解方法，根据燃气管内流动的微分方程组和压力边界条件求解出非稳定流动时燃气管道压力和流量的关系，并在对此关系进行简化的基础上提出了基于中压枝状天然气管网的故障诊断方法和步骤。

On the basis of carefully analyzing the condition of reservoir and seismic condition, the paper pointed out the problems existed in 4-D seismic monitoring of continental thin and interbedded reservoir in China and presented some suggestions.

本文在认真分析储层条件、油藏条件、地震条件的基础上，指出了我国陆相薄互层油藏四维地震监测存在的问题，并给出了一些建议。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！