查询词典 under pressure

Urea-cyanamide method: With different catalyst, under the condition of some temperature and time, urea and ammonia manufacture cyanamide under normal pressure.

尿素-氰胺法：使用改性分子筛做催化剂，在一定温度和停留时间等反应条件下，在氨气气氛中，使尿素在常压下脱水一步制备氰胺。

In high debt payments, under the situation of growing pressure for preferential loans policy, Under the support of national policy in the industry, electricity demand for great national electrovalence, to reduce the price by way of industry of its higher financial risk transfer to electric power enterprises.

在高负债还贷压力日增的情况下，争取优惠贷款利率政策；在国家政策支持下的高耗能产业巨大用电需求面前，争取国家电价政策，以减少高耗能产业以电价的方式将其较高的财务风险转移给电力企业。

Under atmospheric pressure, gasifier use waste biomass as fuel, and using air as gasification agent to carried out fluidized combustion, under the control of furnace temperatureto pyrolyse and gasify fuel, also, the fuel would split inside the boiler.

生物质气化炉以废弃生物质为燃料（食用菌菇菇肥、木屑、秸秆、果壳等），用空气作气化剂，在常压下进行流态化燃烧，在控制炉温下使生物质燃料热解气化，同时在炉内裂解。

The results show that the formation of granulite have two stages: early granulite-facies rocks formed under the conditions of 0.88~1.1GPa and 880~890℃; the later amphibole-facies retrogressive metamorphism paragenesis formed under the conditions of 0.30~0.37GPa and 620~640℃, belonging to a typical low-pressure type.

结果表明：麻粒岩形成经过两个阶段，麻粒岩形成于0.88~1.17GPa，880~890℃条件下，角闪石－斜长石退变组合形成温度620~640℃，压力0.30~0.37GPa。

Therefore it is necessary to research the mechanism of greensand used for high compacted molding methods thoroughly.This subject is one section of the National Natural Science Foundation subject ""Ivestigation on Predicting Method and Mechanism of Springback for High Compacted Sand Molds"", followed of the other completed one named ""Research on Microdeformation of Molding Sand"". A serious of experiments has been done on the reequipped three axial machine under certain technological conditions, and the mechanics, material science, rheologic science. It is systematically studied that the influences on the springback of sand mold were caused by the main influence factors: pressure, compacted rate and the content of soil. Through the analyzed experiments' data, the experienced stress-strain relationship concerning the main influence factors were obtained;under different technical parameter, the springback and spingback's potential energy are compared, the differences and indifferences between them are found out, and the springback's mechanism is discussed;according to the tests' data of YangGuoping coming from Tinghua University, experienced formula of molding sand's springback displacement is induced, the displacement and springback are compared, the margin of error's reasons are analyzed, and they are tested and verified mutually.

本课题为国家自然科学基金项目"高紧实度砂型预测方法及回弹机理的探讨"的一部分，是已结题的国家自然科学基金项目"铸造型砂微变形的研究"的后继，运用力学、材料学及流变学理论，利用改装的三轴仪，在一定的工艺条件下，作了大量系列实验，系统的研究了压实比压、紧实率和膨润土含量对砂型回弹的影响；对实验数据进行了分析和处理，得出了型砂关于压实比压、紧实率和膨润土含量的本构关系的经验公式；把各工艺参数下的型砂产生的回弹量与回弹势能进行比较，找出两者存在的异同点，并对回弹机理进行了探讨；通过清华大学杨国平的实验数据，推导出型砂回弹位移场的经验公式，并与实验测出的回弹量进行比较，分析误差造成的原因，并互相进行了验证。

Under cyclic pressure or torsion load, Four factors with two levels that might influence component stability were assembled into eight performing conditions by orthogonal design. Axial compression micromotion and torsion micromotion were cellected under the eight working conditions.

根据临床上多见的可能对假体微动产生影响的四种因素分设两个水平，采用正交设计方案，组合成8种处理工况对三翼臼进行轴向循环压力载荷测试，同理进行三翼臼的循环扭矩载荷测试。

The real pizzazz is the brave under heavy pressure, the confidence under adversity, the stir in arduousness, and the adaptation and modulability in any environment.

真正的潇洒，是在重压下的勇敢，逆境中的自信力，是在艰苦中的奋发，是在任何环境中所具备的自适应，自调节能力。

Dimethylnitrobenzene was oxidized to 3-methyl-4-nitrobenzoic acid with oxygen in the presence of catalyst under high pressure. The yield of 3-methyl-4-nitrobenzoic acid is 50% under proper condition and is higher than the literature yield of 27%.

论文还研究了在常压和高压下催化氧化2，4-二甲基硝基苯合成3-甲基-4-硝基苯甲酸的工艺，在一定的条件下产率可以达到51.2％。

At the same time, we studied population dynamics of seed-eating rodents in the autumn and the following spring. The results showed that, without enclosure protection, most of the seeds were predated due to high predation pressure in the autumn. The emergence rate of seedlings of all the studied species significantly increased under autumn protection, complete protection, and 1-4cm burial under soil covered by litter.

结果表明：秋季鼠类对种子的捕食压力大，使得种子在无保护的情况下很少存活到出苗；而秋季覆网保护和完全保护（覆网一直保留到第二年10月调查时为止）均增加了直播种子的存活和出苗率；将种子埋藏在土壤1-4cm也显著增加直播种了的存活率和出苗率，这与鼠类密度(12%)在秋季显著高于春季(2%)有直接关系。

The principal stress in the plane strain direction, which can be determined under the rigidity-plasticity assumption using static earth pressure coefficient , is the intermediate principal stress under the limit equilibrium condition. The relationship between major and minor principal stresses is obtained based on the strength criterion.

平面应变方向上的主应力在极限平衡条件下为中主应力，在刚塑性假定的基础上通过静止土压力系数确定，结合强度准则得到大主应力与小主应力之间的关系，进而求得土压力系数。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。