查询词典 unstable equilibrium

The estimated tunneling probability of the H13 proton from one well to another well shows that the life time of the proton staying in one of these wells is about 6×10^2 a. It is too long to let tautomers of cytosine be in thermodynamical equilibrium in a room temperature gas phase experiment.

估算出的H13质子从一个势阱到另一个势阱的穿透几率表明质子呆在其中一个势阱中的寿命大约是6×10^2 a，这使胞嘧啶和它的顺式亚胺式互变异构体在室温气相实验中远不能达到热平衡。

The chromic processes and photochromic properties of the pigments may caused by the equilibrium changes in the ratio of azo-hydrazone tautomers.

上述偶氮染料共轭环扩大后，其碱性DMF稀溶液在红外灯光的照射下发生了变色现象，本文对其变色机理进行了探讨。

Results EN group is better than PN group in maintaining the electrolyte enzyme equilibrium,improving nitrogen balance,and stomach and intestine's function and prognosis.

结果 EN组在改善胃肠功能及预后优于PN组，且能较好维持电解质平衡，促进氮平衡。

Body weight remained stable or increased (0.5～3kg). Positive nitrogen equilibrium was achieved 5～7d postoperatively.

结果53例病人的血浆蛋白在TPN支持结束后接近或超过术前水平，体重稳定或有不同程度增加(0.5～3kg)，术后5～7天获得正氮平衡。

When the sum of the partial pressures ofhydrogen, nitrogen and carbon monooxide in equilibrium exceeds the sum of atmospheric pressureand the additional pressure caused by surface tension of the bubbles, bubbles will grow, subskinbubbles may appear, and in ext...

树枝状结晶形成的微区域中，残余液相的氢、氮和一氧化碳平衡压力之和大于大气压力和气泡表面张力产生的附加压力之和时，气泡就能发展长大，就可能出现皮下气泡，严重时将发生钢锭上涨。

In the reforming cryopreserving method, the fetal liver tissues were permeated and equilibnzed in cryoprotectant A and B for 20 minutes, respectively, and then put into liquid nitrogen quickly after cold equilibrium at liquid nitrogen steam for 5 minutes.

改良冻存法：胎肝组织在A液、B液中分别渗透平衡20min后，在冷冻保护液B液中经液氮蒸汽冷平衡5min后迅速入液氮冻存，1周后复苏，入DMEM培养液37℃孵育1h，胶原酶消化胎肝组织，分离、收集消化后的胎肝细胞培养观察。

The irradiation products was transported into a special source box filled with activated charcoal at liquid nitrogen temperature. When the equilibrium distribution of gas Xe in the source box is achieved, the γ-spectrum was continuously acquired.

在反应堆中对盛装在玻璃管中的普通氙辐照96h，经一定时间冷却后，将辐照产物吸附到处于液氮温度下的特制源盒中，20 min后，待Xe气体在源盒中达到均匀分布再进行了能谱测量，以获得127Xe的准确活度值。

Based on the fundamental of distillation, MESH model including equations of mass balance, phase equilibrium, mole fraction summations and heat balance for atmosphere-vacuum distillation column was established. The key parameter such as temperature and pressure of product was obtained through solution of the model on Pro/Ⅱ platform. The comparison of simulation results with requirement of spot technology was analyzed.

基于蒸馏原理，对常减压蒸馏塔建立包含质量平衡、相平衡、摩尔分数归一化和能量平衡等方程构成的MESH模型，在Pro/Ⅱ平台上进行流程模拟，获得各塔侧线产品的温度和压力等关键参数，并与现场工艺要求进行对比。

Based on the fundamental of distillation,MESH model including equations of mass balance,phase equilibrium,mole fraction summations and heat balance for atmosphere-vacuum distillation column was established.

稳态流程与时间无关，是化工流程模拟中应用最为普遍的重要技术之一，需要建立质量平衡、相平衡、摩尔分数归一化和能量平衡等(MESH—Massbalances，Equilibrium relations，mole fractionSummations and Heat balances)方程构成的数学模型来描述其工艺流程中状态参数的分布情况[6，8-9]。

The degree of water temperature lag during water discharge from the Three-Gorges Reservoir was calculated by use of the thermal equilibrium equation of the reservoir,and the influences of water temperature variation in the reservoir on the procreation of Chinese sturgeons were studied.

分析了三峡库区相关水文站建库前后的水温变化规律，利用水库热量平衡方程计算了三峡水库下泄水温的&滞温&和&滞冷&幅度，并对下泄水温变化对坝下中华鲟繁殖的影响进行了研究。

He studied their excrement for evidence of livestock hair.

他为家畜毛的证据研究他们的粪便。

Loneliness is not grounds for deportation, deportation of the people are not all lonely people.

寂寞也不是放逐的理由，放逐的人也并不都是孤独的人。