热化学的

Combustion instability in liquid rocket engine is investigated with theoretical analyses, numerical simulations and experiments. Nonlinear science, such as Nonlinear Dynamics, Non- equilibrium Thermodynamics, and Wavelets, is introduced in the studies.Nonlinear oscillation equation of chamber pressure is established.

本文结合非平衡热力学、小波分析、非线性动力学等非线性学科，建立燃烧稳定性理论模型，发展两相喷雾燃烧非定常数值模拟程序，利用激光测粒系统，发动机高频热试系统等测试手段，重点围绕液体推进剂的化学动力学过程，对燃烧不稳定进行了较为系统的理论、仿真和实验研究。

Carbon and associated rare element gas isotopic compositions indicate that the genesis of the CO_(2 )is mainly by petrosal chemical reaction.

热力学分析表明，盆地7000～8000m深度段的地层远远没有达到纯钙质碳酸盐岩热分解所需的温度，碳同位素和伴生稀有气体氦同位素组成指示CO2主要为壳源岩石化学成因。

The chemical superheating in solid during recalescence has a more important effect on the remelting and coarsing of secondary arms than the solid-liquid interface tension.

再辉过程中固相化学过热对二次分枝重熔粗化的影响也远大于同期固液界面张力的影响。

The thermal exchange process in the reactor of the HFCVD system is analyzed at first.

热丝化学气相沉积(Hot filament chemical vapor deposition，HFCVD)方法制备金刚石薄膜设备简单，成本低廉，适合大面积金刚石膜的产业化生产，其中衬底温度是沉积高质量CVD金刚石膜的重要参数之一。

It is an object to provide preferred organometallic compounds of metals of Groups VIIb, VIII, IX, and X with relatively high vapor pressures and good thermal stability such that they are vaporizable without substantial decomposition.

只能提供给你机器翻译的了，参考一下吧这是一本发明对象提供适合有机金属化学沉积前驱物金属诸如团体VIIB部，第八、第九、十、为首选对象是金属有机化合物群体VIIB部，第八、第九、与X具有较高蒸汽压和良好的热稳定性，使他们无实质性vaporizable分解。

The composition of wollastonite is similar to that of the bioactive glass, which suggests good bioactivity and biocompatibility of wollastonite.

硅灰石陶瓷具有同生物活性玻璃类似的化学组成以及与钛合金相近的热膨胀系数。

Reseach of solution chemistry agent, differential thermal analysis and infrared optical spectrum analysis showed mechanism of starch xanthate in watewater treatment.

通过溶液的化学计算、差热分析和红外光谱分析，得出了淀粉黄原酸酯用于废水处理的作用机理。

The structural evolution of ultrafine NiB and NiP amorphous alloys prepared by c hemical reduction during the annealing process is investigated by X-ray absorpt ion fine structure, X-ray diffraction and differential thermal ana lysis techniques.

摘 要：采用X射线吸收精细结构，X射线衍射和差热分析等方法研究了以化学还原法制备的NiB和NiP超细非晶态合金催化剂在退火过程中的结构变化。

The influence of ZnO on the formation of minerals and the temperature range for the coexistence of C4A3S and alite in clinker containing calcium sulphoaluminate 4CaO.

借助差热分析、X射线衍射及化学分析等，研究了ZnO对含硫铝酸钙的硅酸盐水泥熟料中阿利特和硫铝酸钙矿物形成及共存温度范围的影响。

The effects of high-energy ball milling Including the fining and mechanochemical on the carbothermal reduction nitridation of alumine were investigated.

研究了高能球磨氧化铝的细化和机械力化学作用及球磨对碳热还原反应合成氮化铝的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。