查询词典 mass-scale

Simultaneous Scan-Selected ion monitoring mode is a new improvement method of data acquisition of gas chromatography mass spectrometry. The determination method of alkaloids in tobacco was established by Scan-SIM of GC/MS. Nicotine, nornicotine, anabasine and anatabine were determined with Scan mode, and myosmine, nicotyrine, 2,3'-Bipyridyl and cotinine were determined with SIM mode.

建立了应用气相色谱-质谱全扫描-选择离子监测数据采集方式同时测定烟草中8种含量相差较大的生物碱的方法，采用Scan模式分析烟碱、降烟碱、新烟碱、去氢新烟碱，同时采用SIM模式分析麦斯明、二烯烟碱、2，3′-联吡啶、可铁宁。

The transient natural convection and natural convective heat and mass transfer under constant-flux condition were also studied respectively. In experimental research, the electrochemical method was used to analogize natural convection in a porous enclosure.

在实验研究中，采用电化学方法，在多孔介质封闭腔体的两竖壁间建立浓度梯度和温度梯度，实验测量了腔体内的温度分布和电极间的极限电流，以此确定了总体的传热系数和传质系数。

The article uses the order of magnitude comparison method and method of analogue to analyze the physical attribute of granular sludge and gas-liquid mixing fluid under gravitational field, the triphase flowing space and dynamics conditions in the main reaction zone, especially the granular sludge's space density, fluid state and the mass transfer state of the corresponding fluid.

本文采用数量级比较法和类比法近似分析了重力场下颗粒污泥及气液混合流体的物理属性，利用在主反应区三相的流动空间和动力学条件，尤其是颗粒污泥的空间密度、流态及对应流体的传质状况。

The basic character of a mass spring oscillate in small amplitude and small angle is studded with an analytic method founded on nonlinear dynamics.

以非线性动力学理论为基础，用解析方法分析包括有质弹簧在内的弹性摆小振幅、小摆角的基本运动规律。

The construction principle of analytical balance style instrument about measuring the center of mass on axial direction and the adjustment method of its sensitivity are described.

本文介绍了天平式轴向质心仪的结构原理及其灵敏度的调整方法；说明了构件轴向质心位置的测量方法及其误差分析。

After collection and drying, the product is weighed on an analytical balance and, from the mass and known stoichiometry the original analyte is quantitatively determined.

收集产物并干燥后，用分析天平称重，从重量和已知的化学计量配比可以定量测定原始分析物。

This new scheme suggests that a shear and/or bending deflection would be allowed to take place freely in the specific part of the anchor rod which lies between the structure and the rock mass.

此方案在结构与岩体间保持一段可以自由剪切和弯曲的锚杆段，该锚杆段的长度称为自由长度。通过对闸墙受渗透压力、闸墙自重和温度等荷载的分析，发现锚杆自由长度对锚杆轴力的影响较小，而对锚杆剪力的影响很大。

It is well known that anchorage of rock mass slope is an important research topic and content.

岩体边坡锚固是岩体力学及岩体工程中重要的研究方向和内容。

But it is hard to analyze the mass and wide reference date with the anciently state method.

但对于数量大、涉及面宽的数据，传统统计方法无法完成这类数据的分析。

Discussion: It is a challenge for the anesthesiologist about mediastinal mass.

讨论：纵膈腔肿瘤对於麻醉科医师是一大挑战。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。