查询词典 cavity source

The strain can grow on the carbon source glucose or soluble starch and the nitrogen source peptone or soybean powder, but not on the inorganic nitrogen source ammonium chloride or ammonium sulfate.

该菌株能利用碳源葡萄糖和可溶性淀粉；能利用氮源蛋白胨，黄豆粉等，不能利用无机氮源NH_4Cl和(NH_4)_2SO_4。

First, we introduce the linearly distributed stress tensors as the source and by means of two-dimensional finite-difference scheme to obtain the response of this source, then the point source response is generated by correcting both the wave forms and geometrical spreadings for the linear respons.

但在理论地震学，工程地震学和勘探地震学中横向不均匀介质中的波传播问题非常重要，此时使用有限差分法和有限元法等离散数值方法比较有效。鉴于目前计算工具的限制，三维模型的有限差分计算虽然在理论上是可行的，但很少能用于实际。

In view of a little thickness and limited oil-forming potential of source rock of Member 2 of the Shahejie Formation, the source rock in Member 3 of the Shahejie Formation is considered as the main source of oil and gas.

考虑到沙二段烃源岩厚度小，生油能力有限，唐家河油田沙三段烃源岩是最主要的油气来源。

Potato flour, soybean powder, FeSO_4 were screened out as the most suitable carbon source, nitrogen source and inorganic salt source, respectively. Based on these, screening methodology Plackett-Burman design was used to evaluate the effects of twelve factors related to amylase production and three statistically significant factors soybean powder, temperature, bran were selected.

酶对底物的作用方式表现出多样性，以表面扩散侵蚀的方式作用于马铃薯和木薯生淀粉，以表面扩散侵蚀和形成大侵蚀孔洞的方式同时作用于红薯淀粉。4、利用响应面法对菌株AF-1固态发酵产生淀粉酶的条件进行了优化。

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&现在，雅虎口碑日房源更新量达到260万条，并且有近万家房产中介在雅虎口碑上开设了e房宝网上门店，如此大规模的房源信息量和网店迫切需要一套完善的信用体系进行规范&，雅虎口碑公众与客户沟通部总监王彤表示，A 计划的目标就是让购房者快速找到房产中介优质房源的同时，协助房产中介建立完善的网络诚信体系。

Based on the idea of QR decomposition, a geometric blind separation algorithm is proposed for uniform distribution source signals in this paper. It is known that if source signals follow uniform distribution, the scatter plots of source signals and mixtures will show special geometrical property. Firstly, the mixture signals are whiten so that the scatter plot of which is changed into the scatter plot when they are independent, and then the scatter plot of whiten signals is rotated by C ~2 n times Givens transformation.

该文提出了一种多个均匀分布的源信号混叠的盲分离几何算法，该算法以矩阵的QR分解原理为分离的理论指导，并结合信号在各个阶段其scatter图所具有的特殊几何性质，首先将混叠信号进行白化，使其scatter图恢复为独立时的scatter图形状，然后将白化后的scatter图通过C2n次旋转变换，使其与各坐标轴平行，从而得到n个信号的分离。

Large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris.

脑袋中有一个含鲸油及鲸蜡的大空腔的大型鲸；也是龙涎香的来源。

D FDTD the MATLAB source code to the air filled rectangular cavity resonator as an example.

详细说明：3维FDTD的MATLAB源程序，以充满空气的矩形腔共鸣器为例。

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It is necessary in this method that the sensing cavity has an optical path length imbalance greater than the coherence length of source such that under normal conditions no interference effects are observed at its output.

在这种方法里必须使传感腔的光程差大于光源的相干长度，使得在通常状态下观察不到干涉效应的输出。

I'm not an actor. I'm a professor of paleontology.

我不是演员，我是古生物学教授

Spider Network Web site that is a very image of the name.

网络蜘蛛即Web Spider，是一个非常形象的名字。