I'm not sad about it. Maybe a little wistful , I guess.

I'm back here disheartened.

我只好又怅怅的跑回来.

Turn a boring task into a challenging game, so that you engage all your potential.

一件令人烦厌的事搞成具有挑战的比赛便会使你发挥全部潜力.

The little girl annoyed him so much that he forgot himself and hit her.

那个小女孩扰得他十分烦厌,他一下子忍不住打了她.

Saval rushed into the street, cast down, as though he had met with some disaster.

萨瓦尔到大街上, 几乎跌到, 好像遇到了什麽天灾人祸.

How can draw natural and man-made disaster to oneself!

怎么样能给自己引来天灾人祸!

Only if bitter experience serious nature and man-made disaster .

除非遭遇严重的 天灾人祸.

But Megan's little, sad figure began to come back at once.

但是梅根的凄楚的小身影立刻又出现了.

You belong to neither , leaves have withered. Your face is pale and blue , a tearful smile.

枯叶凋零,君在何方?君面容苍白,神情凄切, 含泪而笑.

The characteristic of pyrolysis gas and its H_2 evolved is two peak, at the same condition of experiments, it has higher H_2 and less CO_2, CO content than parent coal.

热解气及H2的析出呈双峰特点，同热解条件下，其氢气含量显著高于父本煤热解气，而CO2和CO含量较低。

Application of Gompertz Model to Prediction of Solution Gas Development Index in Oilfield

Gompertz模型在油藏溶解气开发指标预测中的应用

A pyrolysis gas chromatographic method with steer capillary column was established for identification of PET and PBT.

本文研究了以裂解气相色谱法鉴定PET和PBT树脂。

The effect of mineral matter on the nh_3 formation during coal pyrolysis and gasification

矿物质对煤热解气化过程中NH3形成的影响

In actual process, compared with the conventional PID control, the control of pyrolysis temperature is better with Fuzzy-PID hybrid control, while pyrolysis temperature is an important indicator of acetylene yield, then the purpose of improving the yield of acetylene is achieved.

在实际运行中，与常规PID控制相比，模糊-PID复合控制对裂解气温度的控制效果更好，而裂解气温度是乙炔产率的一个重要指标，也就达到了提高乙炔产率的目的。

Thermo-Photocatalytic Degradation of Gas-Phase Benzene over Pt-TiO_2/ CeO_2-MnO_2 Composite Catalyst

Pt-TiO2/CeO2-MnO2复合催化剂光热降解气相苯

Oxygen containing polymers come from the aldol condensation of ketone and/ or aldehyde, which are produced from the secondary reaction of steam cracking.

含氧聚合物主要来自于醛酮的Aldol缩合聚合反应，而裂解气中的醛酮来自于蒸汽裂解制乙烯过程中的二级反应。

Results show that major pyrolysis gases were CO, H2 and CO2.

试验结果表明稻壳热解气的主要成分是CO、H2以及CO2。

The author presents briefly the definition of parameters in OMC process, by comparing with the improved A.

简要叙述了湿法脱硫OMC工艺在重油裂解气过程中的工艺参数的确定，同时比较了相对于改良A。

SIMPLE algorithm with the 3-D non-staggered grid system was employed to solve the governing equations. The liquid phase equations were solved with the particle trajectory model and the PSIC algorithm.

在非交错网格下求解气相采用SIMPLE算法，液相采用颗粒轨道模型和PSIC算法。

The major process parameters of demethanizer in the recovery section of FCC unit are optimized and analysed by using the chemical simulator process.

对催化裂解装置裂解气分离回收单元的中冷油吸收脱甲烷塔的主要工艺参数应用大型化工软件PROCESS进行了优化和全面分析。

Purification of hydrogen and carbon dioxide from methanol decomposition gas by PSA

从甲醇裂解气中由PSA法提取纯H2与CO2