Zinc sulfate was produced in process of soaking blende with sulfuric acid of high concentration in oxygen and at normal pressure. 研究了在常压、通氧条件下,用浓硫酸浸取闪锌矿制取硫酸锌时酸浸条件对锌浸取率的影响。
The risk was greater when high flow oxygen therapy and positive airway pressure ventilation was used. 进行高流量氧气和正压通气能增加传播的风险。
Using high pressure oxygen cylinder as supercharging device, pressure test of autopolymerizing acrylic resin was carried out. 采用自行设计的高压氧气加压法测定了自凝树脂的耐水压性能。
Pressurized/ high temperature peroxide bleaching of softwood kraft pulps was studied; the effect of metal ions in pulps, bleaching temperature, time and oxygen pressure on the peroxide bleaching was investigated; and the strength properties of conventional bleached and TCF bleached pulps were compared. 进行了针叶木硫酸盐浆压力高温过氧化氢漂白的研究,探讨了浆中金属离子、漂白温度、时间和氧压对过氧化氢漂白的影响,比较了常规漂白和TCF漂白的纸浆性质。
The high oxygen pressure synthesis of metallic lacuo_3 and the XPS Study on cu~ ( 3+) state 金属性氧化物LaCuO3的高氧压合成及Cu~(3+)态的XPS研究
The liquid-phase oxidation kinetics of deep-sea manganese nodules in high concentration potassium hydroxide medium is investigated by the effects of factors on the conversion rate of manganese in the deep-sea manganese nodules such as reaction time, reaction temperature as well as oxygen partial pressure. 通过考察反应时间、反应温度以及氧分压对深海锰结核中锰的氧化的影响,研究深海锰结核在高浓氢氧化钾介质中的液相氧化宏观动力学。
Owing to the fact that the altitude is high and oxygen content is low in the plateau area, the design of the burners should be different from that for the plain areas. Under the same pressure, the burner with high wind speed; 高原地区海拔高,空气含氧量低,燃烧器的设计与平原地区相比应有所变化,在同样压力下,采用高一次风速、高燃烧推力、小流量设计的新型燃烧器。
Objective: To compare the curative effects of Xingnaojing injection in combination with high pressure oxygen with that of high pressure oxygen alone on the severe carbon monoxide intoxication. 目的:以醒脑静结合高压氧与高压氧治疗重度一氧化碳中毒的疗效进行比较。
Objective: To obtain high purity medical oxygen from air by pressure swing adsorption. 目的:研究一种用变压吸附方法由空气生产高纯医用氧气的流程。
Therefore, we carried out the experimental study on dealing with zinc sulfides concentrate bearing high content of indium and iron by acid leaching under oxygen pressure. 因此我们开展了采用加压酸浸新工艺处理高铟高铁硫化锌精矿的研究。
The optimum technology of internal oxidation is the adoption of high temperature of about 1 223 K, and high partial pressure of oxygen that should approach to or even be equal to the upper limit of oxygen partial pressure. 理想的内氧化工艺条件应是:采用1223K左右的高温,介质中的氧分压力求接近或等于上限2OP;
Newborns in routine drug group received three routine supporting therapies and three symptomatic treatments according to pediatrics therapy manual. Newborns in high pressure oxygen treatment group received high pressure oxygen treatment on the basis of routine treatment mentioned above. 常规药物组严格按照儿科治疗手册中常规3项支持疗法和3项对症处理进行早期治疗,高压氧早期干预组同时早期给予高压氧l治疗。
The phase transition of la_2cuo_ ( 4+ δ) synthesized in high oxygen pressure 高氧压合成产物La2CuO(4+δ)的相变研究
Growth of ZnO ( Wurtzite) Whiskers Using the Floating Zone Method at High Oxygen Pressure 利用浮区法在高氧压下生长ZnO晶须
High oxygen pressure treatment and XPS Study for la_ ( 2-x) sr_xcuo_4 La(2-x)SrxCuO4的高氧压处理与XPS研究
The RHEED pattern of the ultra thin LNO film deposited in the relatively high oxygen pressure is streaky pattern. 当氧分压在临界值以上时,LNO薄膜在整个沉积过程中(膜厚小于30nm)的RHEED图样是条纹状,表明层状方式外延生长的特征。
It is found that certain conditions, such as high substrate temperature, high oxygen pressure, high laser energy, small target distance and a relatively large Mn content, favor the growth of film along nonpolar/ semipolar direction. 研究发现:较高的衬底温度、较高的氧压、较高的激光能量、较小的靶距以及较大的Mn掺杂量都有利于薄膜偏离c轴择优取向生长,从而获得非极性或半极性薄膜。
At high temperatures, since the main contribution to expediting the reaction rate is the temperature, the effect of oxygen partial pressure was not obvious. 不同温度条件下,氧分压对催化反应的影响结果显示在高温状态下,氧分压的影响并不显著,因为加快反应速率的贡献主要来自于温度的增加。
Yttria-stabilized-zirconia ( YSZ) is the most commonly used electrolyte material for SOFC due to its high thermal stability, chemistry stability, excellent mechanical function and pure oxygen ionic conduction in very wide oxygen partial pressure. Y2O3稳定的ZrO2(YSZ)具有优越的热稳定性和化学稳定性、优异的力学性能以及在较宽的氧分压范围内呈现纯氧离子导电特性等优点,是SOFC最常用的电解质材料之一。
And the flame is distorted by the amplified shear force caused by flame and high speed oxygen with the higher oxygen speed, causing the flame pulse with high frequency and amplitude, and the flame noise and pressure fluctuations are also enhanced. 3. 随着氧气速度的进一步上升,高速气流对火焰的剪切作用加强,从而使火焰发生形变,继而引起高频高幅值的火焰脉动,此时炉内压力波动和噪声得到加强。
High altitude cerebral edema, a kind of acute disease caused by lacking of oxygen and pressure in plateau areas, threatens the life and health of highland people. 高原脑水肿是一种高原地区低压缺氧引起的特发急性病,严重威胁了高原人群的生命健康。
Apatite-type lanthanum silicate, oxygen ion conductor, has the characteristics of high oxygen ion conductivity and low activation energy at intermediate temperature. It is pure oxygen ion conductivity at a very wide range of oxygen partial pressure. 磷灰石型硅酸镧为氧离子导体,具有中温电导率高、活化能低的特点,在很宽的氧分压范围内为纯氧离子电导。