stoichiometric

experimental research on knocking suppression using stratified stoichiometric mixture in a gdi engine

分层当量比混合气抑制缸内直喷汽油机爆震的试验研究

Combined with stoichiometric method, the diene value in cracking gasoline was determined by Fourier Transform Infrared Spectroscopy at selected wavenumber region.

用傅里叶红外光谱仪，在选定的波数范围内，采用化学计量学法测量乙烯裂解汽油的二烯值。

In addition, it is shown that a light-induced space charge field of the order of 10~ 6 V/ m is achievable in both the near-stoichiometric and the congruent LiNbO_3: Fe with high intensities.

但是在高光强下，同成份与近化学比LiNbO3：Fe都可以达到106V/m量级的光致空间电荷场。

It is revealed that the non-stoichiometric Mg-Fe and Mg-Fe-Al spinel complex oxide catalysts are composed of nano-sized ferrite spinel and α-Fe 2O 3 crystallites by XRD, TEM and TPR techniques.

催化剂表征数据揭示，非化学计量比的Mg Fe和Mg Fe Al复合氧化物催化剂是由纳米尺度的铁酸盐尖晶石和αFe2O3微晶相构成的。

Firstly, the oxidative carbonylation of aniline with thiols mediated by stoichiometric selenium has been investigated.

首先考察了在计量硒作用下苯胺和硫醇的氧化羰基化反应.

Determination of cu, Na and Au in biological materials and semicon-ductors by neutron activation-sub-stoichiometric multielement separation

反应堆中子活化-多元素亚化学计量分离法测定生物和半导体材料中的Cu，Na，Au

On the other hand, ionic diffusion may cause deviation of defect concentration stoichiometric equilibrium value.

另一方面, 离子扩散可能导致缺陷浓度在平衡位置的偏离.

When the pressure is increased to 0.13 MPa, the cell performance at reactant stoichiometric ratio of 1.0 is as same as that at the condition of sufficient reactant.

当提升压力至0.13MPa，化学计量比1.0的电池性能与足量反应气体工况下的性能相当。

The structure and electrochemical properties of A side super-stoichiometric AB _ 2 hydrogen storage alloys were studied.

研究了A侧过化学计量比对AB2型贮氢合金相结构与电化学性能的影响.

In mixed weak acid titration, calculation of PH of stoichiometric point, calculation of end point error and stepwise titration criterion are the must specific problems. This article means to study these problems.

在混合弱酸滴定中，化学计量点时PH值计算、终点误差计算，分步滴定判据是三个必须明确的问题，本文对混合弱酸滴定的这三个问题作一探讨。

Stoichiometric Studies of Water Quality of East Lake in Wuhan

东湖水环境特征的化学计量学研究

Activity, thermodynamic factor in chemical diffusion and interdiffusion coefficient in the L1_2-Ni_3Ga and DO_3-Fe_3Al non-stoichiometric intermetallic compounds

L12Ni3Ga和DO3Fe3Al非化学计量金属间化合物的活度、热力学因子和互扩散系数

This article means to study the universal formula to calculate potential of stoichiometric point in redox titration and the application of this universal formula was discussed.

本文推导了一个普通适用于各类氧化还原滴定化学计量点电位通用计算式，并对该通用计算式的应用进行了讨论。

Non-stoichiometric defects often occur in transition-metal compounds.

非 化学计量的缺陷常常发生在过渡金属的化合物中.

The stoichiometric coefficient of the reaction of acid with rock;

酸岩反应的化学计量系数；

If the air exceeds the stoichiometric requirement of coal, the combustor is in an overall excess air mode as in a conventional operation.

如果蒸汽量超过煤的化学计量要求，那么燃烧炉与传统操作一样处于整体空气过量状态。

The paper puts forward that by using proton balance equation of stoichiometric point, simple and easy derive formula of acid-base titration error for the all circumstances can be leaded.

提出利用化学计量点的质子条件式，可以简易导出各种情况下的酸碱滴定误差公式。

The crystallization of the stoichiometric cordierite was studied by using TG-DTA and XRD.

采用TG -DTA 、XRD分析了理论化学组成的堇青石微晶玻璃的晶化行为.

Analysis by volumetric procedures requires that some method of indicating the stoichiometric end point be employed.

用容量法进行分析时，需要使用一些指示化学当量终点的方法。

Because of the differences between the effective diffusion coefficients of the reaction species, the relations between the changes of their compositions in catalyst no longer obey the stoichiometric relations of the reaction.

由于反应组分的有效扩散系数间的差异，催化剂内反应组分的组成变化之间的关系不再符合反应的化学计量关系。

However, it does not give any protection for sub-stoichiometric firing during such a transient.

但是, 它对这种过渡期的亚化学计量燃烧不提供任何保护.

TheMI-07 system provides closed-loop control of stoichiometric air-fuelratio for accurate application with three-way catalysts.

的MI -07 系统提供了闭环控制化学计量空燃比准确的应用与三效催化剂.

optimizing the parameters of gasoline direct injection engines on stoichiometric mixture at full load

缸内直喷式汽油机燃用化学计量比混合气的试验

The results show that burning-out efficiency increases with the increase of reburning zone stoichiometric ratio while NO reduction efficiency decreases when reburning fuel rate is kept constant.

研究表明：燃料量一定时，再燃区过量空气系数增加将导致燃料燃烧更为完全，NO还原效率降低，但再燃燃料的燃烧对炉内温度场的影响很小。

RESULTS The maximum apparent stoichiometric ratios of noncovalent complexes i-RNA/ HSA and i-RNA/ AAG were 4 ∶ 1 and 3 ∶ 1, respectively.

结果i-RNA与HSA和AGG形成非共价结合复合物的最大表观化学计量比分别为4∶1和3∶1。

Li-doped lanthanum chromite powders in stoichiometric proportions were prepared by sol-gel process.

采用溶胶 - 凝胶法,按化学配比将锂元素掺入铬酸镧中制得粉末.

Single crystal of Cr ~ ( 3 + ): LiCaAlF _ 6 was grown by vertical Bridgman method from stoichiometric composition melt.

用垂直Bridgman法从化学计量比组份的熔体中长出Cr~ ( 3+ ): LiCaAlF_6单晶.

The Study on the Solid Solubility Stoichiometric Window Property and Reaction Network for Transition Metal Doping Ceria-based Catalysts

过渡金属掺杂铈基氧化物固溶度、空燃比窗口特性及反应网络的研究

Comparing with conventional method of violet spectrum, the method of potentiometric titration of lead tetraacetate has many advantages such as stable potentiometric value, exact and credible results, clear potentiometric abrupt change in stoichiometric point and simple operation.

与传统的紫外光谱法相比，应用四乙酸铅电位滴定法测定汽油中硫醚硫的含量，具有化学计量点处电位突跃明显、电位值稳定、操作简单、结果准确可靠的特点。

It only needs to record the electrode potentials at two points nearby the stoichiometric point and the corresponding volumes of the titrant, and the stoichiometric point can be calculated by the two-point equation.

该法只需记录两次电极电位值和相应滴定剂体积，利用公式即可计算滴定化学计量点。