The results show that the yield of xylan pyrolysis tar product increases with rising reacting temperature, but decreases with rising temperature after approaching a maximum value caused by the secondary decomposition of tar.

1、

The tar yield increased with increase of temperature and maximized at about 27% of lignin at 550 ℃. Beyond this temperature tar yield decreased while more uncondensable gas was produced due to secondary decomposition.

焦油产量随温度升高而增大，在550℃出现质量分数为27%的最大产量，温度进一步升高，部分挥发分的二次裂解使焦油产量降低而轻质气体产量大大增加；

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2、

The primary and secondary factors influencing the decomposition of litter were founded as collembola, nematode, inorganic P transformation and moisture.

通过灰色关联分析表明，影响土壤枯枝落叶分解速率的主要因素是弹尾类动物、线虫类动物、无机磷转化作用和土壤含水量。

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3、

Three indicators are secondary indicators of decomposition and refinement, a total of 34 indicators.

三级指标是二级指标的分解和细化，一共34项指标。

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4、

An improved calculation pattern and experiment equipment of catalytic decomposition of hydrogen peroxide.

改进了过氧化氢催化分解实验的实验装置.

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5、

Carbon nanotubes have been produced by catalytic decomposition of acetylene on iron nanoparticles.

通过乙炔气体在纳米铁颗粒上的催化热解制备了纳米碳管.

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6、

The catalytic decomposition method is a popular way of production carbon nanotubules.

催化热分解碳氢化合物法是常见的制各纳米碳管的方法.

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7、

No alkylation product but the decomposition product of I was obtained at 100?

但在100℃时只得到化合物1的分解产物苯基甲基砜而非烷基化产物.

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8、

Spectral decomposition technology has been used in reservoir prediction in areas of complex geological settings.

目前,谱分解技术在复杂地质情况下的储层预测中得到全面推广.

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9、

The order of temperature resistance and decomposition temperature of fluid loss additives is obtained.

通过差热分析和水溶液老化后的特性粘度测出了各种降滤失剂的耐温次序和分解温度.

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10、

A digital audio watermarking algorithm based on SVD ( Singular Value Decomposition ) and mean quantization are presented.

提出了一种基于奇异值分解和均值量化的音频数字水印算法.

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11、

Using the generalized singular value decomposition ( GSVD ), the expression of general solution is given.

利用广义奇异值分解给出了该问题最小二乘解的表达式.

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12、

Singular value decomposition SVD that ( Singular Value Decomposition ) algorithm.

SVD即奇异值分解 ( SingularValueDecomposition ) 算法.

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13、

A study has been made of thermal decomposition of some benzofuroxan compounds by using DTA technique.

用DTA技术研究了八种苯并氧化呋咱化合物的热分解.

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14、

The thermal decomposition characteristics of trimethylolpropane trinitrate ( TMPTN ) were investigated by means of high pressure DSC.

利用高压DSC研究了三羟甲基丙烷三硝酸酯 ( TMPTN ) 的热分解特性.

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15、

The catalytic performance of nanometer CuFe _ 2 O _ 4 on the thermal decomposition of RDX was investigated by DSC.

采用差示扫描量热法(DSC)测试了纳米CuFe2O4对RDX热分解的催化作用.

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16、

Objective : To study the thermal decomposition of chlorobenzylidine.

目的:分析固体药物氯苄律定的热分解过程.

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17、

The thermal decomposition recycling has certain difficulty, the expense is also high.

热解回收有一定的难度, 费用也较高.

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18、

Photocatalytic Functional Ceramic and Its Speciality of Photodecomposition

光催化功能陶瓷及其光降解特性

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19、

To undergo photodecomposition, a pesticide must first absorb light energy.

农药为进行光解作用，必须首先吸收光能。

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20、

Recently some new apparatus are developed to study thermal and photodecomposition mechanism of silver azide. The new experimental results are different from those reported previously.

为了研究叠氮化物的热解与光解机理发展了一些新式仪器，得到了一些与早期不同的实验结果。

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