| 1. | This method is not only convenient to consider tubular initial stress and temperature initial strain , but also is of self - superiority , computing result for calculated examples indicate that this method is feasible 该方法便于考虑钢管初始应力和温度初应变,而且有其自身的优越性,算例计算结果表明,该方法是可行的。 |
| 2. | The spores of a . niger m1 , the initial strain , was treated by u . v . at morality of 90 % . a mutant with high xylanase activity was screened , naming a . niger j 506 用紫外线照射的方法对出发菌株aspergillusnigerm1进行处理后,从中筛选到了一株木聚糖酶活力比较高的突变株a . nigerj506 ,传代10次后产酶能力仍然稳定性良好。 |
| 3. | The initial condition should be defined firstly in the structural analysis of the cable - support system . there are two important control parameters of the initial condition : initial shape and initial strain of the cable . 2 缆索支承体系的结构分析应当首先确定体系的初始状态,初始状态的两个重要折控制参数是:初始索形和初始应变; 2 |
| 4. | According to maxwell principle , the mechanical characteristics could be analyzed with the svd methods for balanced matrix . besides , considering initial strain and stress , the paper established the nonlinear finite elment equilibrium equation based on t . l formulation L格式的非线性有限元位移法平衡方程,并采用mn - r法编制相应的程序进行张拉整体结构的非线性力学分析。 |
| 5. | In the static analysis of the suspension bridge , the initial shape and initial strain of the main cable under bridge - finished condition should be defined firstly , then the bridge - finished condition should be chosen as the initial condition , under which the fem model was built . 3 悬索桥成桥恒、活载作用下的静力分析,首先需要确定成桥状态下主缆索的初始索形和主缆索的初始应变,再以成桥状态为初始状态建立有限元模型; 3 |
| 6. | According to the theory of equivalent time , creep as a function of equivalent time is expressed . by fitting experimental data , parameters of creep in equivalent time field are obtained ; initial strain implicit solution of elastic creep equation in equivalent time field is derived 根据等效时间理论,将徐变表示为等效时间的函数,通过拟合试验数据,得出等效时间域弹性模量和徐变度公式的计算参数,推导了等效时间域的弹性徐变方程的初应变隐式解法。 |
| 7. | The page revealed the culture supernatant of the initial strain and the mutant contained different protein bands , which exactly demonstrated at protein level that a . niger j 506 was surely a mutant of a . niger m1 . zymogram stained with xylan - remazol brilliant blue for detecting xylanase showed there are three different xylanases in the mutant culture , while two xylanases in initial strain . what is important , the third xylanase in a . niger j 506 have higher activity and more production levels from page and zymogram of xylanase 尤其是在木聚糖酶谱带检测中发现,突变株发酵液中有三种类型的木聚糖酶,而出发菌株中只有两种类型的木聚糖酶,并且通过考马斯亮蓝g250染色和琼脂糖板上的透明圈发现,突变株中第三种类型的木聚糖酶不仅表达量很大,活力也很高。 |
| 8. | The cable shape under bridge - finished condition was obtained by taking the empty - cable condition as the initial condition and calculating the cable shape under dead load . 4 . the initial strain under bridge - finished condition is an important parameter , which defines the initial balanced position and gravity stiffness of suspension bridge 悬索桥成桥主缆的索形需要从空缆状态出发,以空缆状态为初始状态,在主缆索上施加成桥恒载,并通过计算得到最终成桥时主缆的形状及位置; 4 |
| 9. | The initial strain must be the optimum value obtained by multiple - trial method . 5 . in the static analysis of the bridge model under live load , assuming a shifting concentrated load on the girder , analyzing the relation map of each section deflection and the location of the concentrated load , finishing the load - on of the worst - case live load , then the moment and deflection envelope diagrams of the girder were obtained 成桥模型建立后,在后续活载作用下的静力分析必须首先在主梁上作用移动集中荷载,分析主梁各断面的活载挠度与集中荷载作用位置关系曲线图,完成最不利活载的加载,从而最后得到悬索桥主梁的弯矩包络图及挠度包络图。 |
| 10. | Xylanases of the initial strain and the mutant have their optimum activity at ph 5 . 4 and ph 6 . 0 , respectively . they have better stability in the range ph 7 . 0 - 10 . 0 when incubated at various phs at 45 for 2 hr . the two xylanases have maximal activity at 52 and have better stability up to 50 when incubated at various temperatures in ph 6 . 0 for 30min 出发菌株在ph7 . 0到10 . 0之间木聚糖酶的稳定性较好,而突变株在ph6 . 0到10 . 0之间木聚糖酶的稳定性较好突变株和出发菌株的木聚糖酶最适作用温度均为52 ;在20到50之间突变株和出发菌株木聚糖酶稳定性比较好,二者的半失活温度都在55左右。 |