常压

Through lots of tests, the new technology of preparing the polymeric ferric aluminum silicate sulfate by using the waste-acid of Ti02-industriy and the coal fly ash has been designed. The highest Al-acid stripping rate can be achieved by the waste sulfate acid under boiling degree for 1. 5h when the mass ratio between NaCl and Coal Fly ash is 0. 05:1, as well as that between Coal Fly ash and Waste Acid ratio is 1:10. By means of the oxidation-polymerized reaction under 40-50*C and normal pressure, using NaNCkas catalyst and air as oxidation, the polymeric ferric aluminum sulfate can be obtained. The poly-silicic acid is polymerized with soluble glass in the optimum conditions of pH=5-6 and the concentration of Si02 is about 3%. The inorganic high molecule coagulant of PFASS is synthesized with the poly-silicic acid into the solution of polymeric ferric aluminum sulfate.

本论文通过大量的试验，研究开发出了用粉煤灰及钛白废酸制取聚合硫酸硅酸铁铝的新工艺，其最佳工艺条件为：于沸点温度，以NaCl为助溶剂(NaCl与粉煤灰质量比为0.05：1)，以钛白废酸浸取粉煤灰(固液比为1：10)中的铝1.5小时，最大浸取率可达40％；经过滤洗涤后，调节滤液pH至2.0左右，以NANO_2为催化剂(NaNO_2用量为滤液中FeSO_4·7H_2O量的3％)，空气为氧化剂，于40-50℃进行常压催化氧化反应，制取聚合硫酸铁铝，催化氧化时间为2小时；将工业水玻璃稀释至3％左右，调节其pH于5-6，室温下制备活性聚硅酸；将活性聚硅酸与聚合硫酸铁铝按照一定比例复合，经熟化，即制得新型无机高分子混凝剂PFASS。

Accounting for the characteristics of freeze-drying of granular material, a theoretical heat transfer model of atmospheric freeze-drying in spherical geometry was developed. The temperature distribution and movement distance of sublimation interface were calculated, then the speed of drying process can he deduced. Theoretical analysis was done on influence factors such as bed temperature, material size and adsorbent diameter.

以粒状物料为例，建立了球坐标下常压冷冻干燥的传热过程理论模型，计算了物料干燥过程中的温度和升华界面的移动距离，并对床温、物料尺寸和吸附剂粒径等影响因素进行了理论分析。

This paper discusses the heat stableness of four halogenides by thermodynamic principle and the possibity to exist at usual temperature and pressure.

本文用热力学原理讨论了 Cu四种卤化物的热力学稳定性顺序以及它们在常温常压下存在的可能性。

According to a different purpose, N pinch and can be made of vacuum, pressure, pressure three, Wen stressed the form of a jacket, steam, conducting oil heating, water cooling and so on.

根据不同的使用目的，N捏和机可制成真空、压力、常压三种，温调形式采用夹套，蒸汽、导热油加热，水冷却等方法。

According to different purposes, NH Kneader can be made of vacuum, pressure, atmospheric pressure three; temperature tune the form of the use of jacket, steam, conducting oil heating, water cooling, etc.; material means there is hydraulic, double-cylinder for dumping, Ball material, such as screw extruder.

根据不同的使用目的，NH捏合机可制成真空、压力、常压三种；温调形式采用夹套，蒸汽、导热油加热，水冷却等方法；出料方式有液压、翻缸倾倒、球阀出料、螺杆挤压等。

The results show that the dissolution of Ag was restrained by forming of a silver suboxide film on the surface under low oxidant concentration and atmospheric pressure conditions (e.g., in NH_3-O_2-H_2O system); when the concentration of oxidant was high enough (e.g., in NH_3-H_2O_2-H_2O system), the leaching process was carried out without forming of the film and the rate of dissolution of Ag was controlled by a step of mass transfer.

结果表明，在常压下氧化剂浓度低时(如在NH_3-O_2体系中)，浸取反应受在Ag表面上生成的氧化物膜所阻碍；而在浓度足够高的氧化剂时(如在NH_3-H_2O_2体系中)，浸取过程可在不生成氧化物膜的条件下进行，此时Ag的溶解速度受传质步骤控制。

Effect of composites and microstructure on normal pressure core leach was investigated,the size precision of the lumen and good teachability can be assured when amount of active additives is 13%;good leachability can be ensured when porosity factor be controlled higher than 35%; the core mixed by machine has good leachability than by manual.

研究了氧化铝陶芯的组成与微结构对脱芯性能的影响，发现活性添加剂的量应控制在13%才能同时保证铸件内腔的尺寸精度和脱芯性能；型芯的孔隙率应控制在35%以上才能保证常压下易于脱除；球混型芯要比手混型芯的脱芯性更好。

According to flow patterns screened during common pressure experiment . The key factors that affect flow and heat transfer of the gas -liquid -liquid tempestuously mixed jet is analyzed ,the paper present a way and basic idea to describe the flow and heat transfer of the jet .

研究此时的传热现象主要采用实验研究的方法，文中根据常压实验拍摄到的流型，分析影响此气-液-液相互混合大脉动紊流的传热及流动的关键因素，提出描述此时传热和流动过程的基本概念和方法。

SiO2 aerogels were produced from TEOS as silicon resources by sol-gel method and surface modification at ambient pressure.

以正硅酸乙酯为硅源，采用溶胶－凝胶法和表面修饰工艺，在常压条件下制备了SiO2气凝胶。

In order to determine the saturated vapor pressure of colloid ed dinitrogen tetroxide,and find out its change rule with the various temperature,a testing equipment of determining satuated vapor pressure of colloid ed dinitrogen tetroxide was designed and constructed according to the principle of static testing.

为了测定胶体四氧化二氮的饱和蒸气压，找出其在不同温度条件下的变化规律，采用静态法测试原理，自行设计建立了四氧化二氮胶体饱和蒸气压的测试装置，测得了常压下液体和胶体四氧化二氮的饱和蒸气压数据，结果表明，四氧化二氮体系成胶后比成胶前的饱和蒸气压略有降低，且温度越高其差值越大。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。