查询词典 X

The father has a normal X gene on the X chromosome and a normal Y chromosome.

父亲有一个正常 X 基因在 X 染色体和一条正常 Y 染色体。

This can adjust the position of the X-axis during a X-Y operation mode.

当使用X-Y操作模态时，则成为X轴的位置调整钮。

GG5135 X-ray security check equipment is an advanced X-ray imaging systems.

GG5135型X射线安全检查设备是先进的X射线图像系统。

To determine x-ray yields, we needed accurate measurements of the x-ray spectrum produced by each source.

为了决定X射线的产额，我们需要精确的测量各种源的X射线产出量。

The goal of this dissertation is to process and analyze a fast X-ray spectrum measurement system based on PCI bus.

X 射线的能谱可由X 射线谱仪进行测量，本论文研究一种基于PCI 总线的高速X光谱测量系统。

The catalyst was characterized by transmission electron microscopy, X-ray diffraction and energy dispersion X-ray spectrum.

利用透射电镜、X-射线衍射和能量散射X-射线能谱对催化剂进行了表征，并用循环伏安实验评价了催化剂对甲醇电化学氧化的电催化活性。

My name is X X,and you?

我的名字是X X，你呢？

Gels with the compositions of x ZrO〓(1-x) SiO〓(x=10～40vo1%) were prepared by using fumed silica and zirconyl chlorides as precursors.

采用气凝氧化硅和氯氧化锆为原料，以共沉淀法制备了xZrO〓(1-x)SiO〓(=10-40vol％)系列粉料。

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 invention concerns a process for preparing heterocyclic carbenes of general formula in which R1, R2, R3 and R4 are identical or different and mean saturated or unsaturated, straight-chain, branched or cyclic, unsubstituted or substituted C1-C10 alkyl, C2-C5 alkylidene, C2-C5 alkylidine, C7-C19 aralkyl or C6-C14 alkyl groups, R3 and R4 can also stand for hydrogen or form jointly anellated, substituted or unsubstituted groups with between 3 and 7 carbon atoms and X stands for carbon or nitrogen, R3 being dropped if X is nitrogen.

本发明涉及一种制备通式Ⅰ的杂环碳烯的方法，其中在通式Ⅰ中，R1、R2、R3和R4是相同的或不同的，并且是饱和的或不饱和的，直链、支链或环状的，未取代或取代的C1－C10－烷基、C2－C5－亚烷基、C2－C5－次烷基、C7－C19－芳烷基或C6－C14－芳基基团，R3和R4可以是氢或它们一起形成具有3－7个碳原子的稠合的、取代或未取代的基团，X是碳或氮，并且当X是氮时，不存在R3。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。