primary carbon

Formation Histories of Primary Carbon Particles During Diesel Engine Combustion Process

柴油机燃烧过程中基本碳粒子的生成历程

After comparing the effects among kinds of primary carbon and nitrogen sources , sucrose is determined as the suitable primary source for co metabolizing , and ammonium nitrate as the nitrogen source ;

通过对多种共代谢初级碳源和氮源的效能比较，确定蔗糖为合适的共代谢初级碳源，硝酸铵为合适的氮源；

The investigation on the morphology , microstructure and size distribution of primary carbon particle in-cylinder particulates were conducted on a field emission gun transmission electron microscopy ( FEG TEM ), and the results were analyzed by the image technology .

运用场发射透射电镜和图像处理技术，考察了微粒的形态特性、基本碳粒子的微观结构和粒径分布规律。

The β - fructofuranosidase production by fermentation of Aspergillus japonicus Aspergillus oryzae , and Aspergillus niger were compared . When sucrose was used as primary carbon source , Aspergillus japonicus 1 could produce the highest β - fructofuranosidase .

以蔗糖为碳源，对几种日本曲霉、米曲霉、黑曲霉菌株产β-呋喃果糖苷酶能力进行比较研究，其中日本曲霉1产酶能力最强。

The primary ultrafine carbon powders were prepared by sol gel supercritical fluid drying method using different raw materials .

采用不同的原料，利用溶胶-凝胶超临界流体干燥法制得了超细炭原粉。

The primary ultrafine carbon powders were heat treated at 550 ℃ ~ 1 200 ℃ in flowing nitrogen .

在氮气的保护下，超细炭原粉于550℃～1200℃的温度下进行热处理。

The properties of primary ultrafine carbon powders and their annealed products were characterized by XRD and Raman spectra .

利用XRD和拉曼光谱对超细炭粉进行了表征。

Weight optimum design for primary load bearing carbon / epoxy tubes in space truss structure under large loads

大载荷下空间桁架结构主承力用碳/环氧推力管的重量优化设计

Primary study on carbon cycling in warm temperate deciduous broad - leaved forest

暖温带落叶阔叶林碳循环的初步估算

Structural Design of Integrated Metal Joint for Primary Load Bearing Carbon / Epoxy Tubes of a Large Load Bearing Structure

大载荷承力支架结构用碳/环氧承力管金属整体接头的结构设计

Their primary product is carbon steel ( 77 % ) followed by stainless , aluminum , and copper & brass .

公司产品以碳钢（占77%）为主，其附属产品包括不锈钢、铝、红铜和黄铜。

The primary studying of carbon nano-tube / hybroxyapatite biologic composite

碳纳米管/羟基磷灰石生物复合材料的研究初探

A primary study on carbon isotope of n-alkane , pristane and phytane in crude oil

液态正构烷烃系列、姥鲛烷、植烷碳同位素初步研究

It has been confirmed that the primary product is carbon monoxide , and the carbon dioxide formed is produced by shift - reaction .

试验征明，反应的初次产物是CO，而CO2是由水煤气转换反应生成的。

Welding Wire Selection of TIG Primary Welding of Low Carbon Steel Pipe

低碳钢管TIG打底焊的焊丝选用

Protective effects of three gastrointestinal peptides on primary hepatocytes in a carbon tetrachloride-induced model

三种胃肠肽对四氯化碳损伤原代培养肝细胞的保护作用

This is because the increase of net primary production and soil carbon sequestration following the conversion can more than offset the increment of the external organic fertilizer carbon inputs and fossil fuel carbon emissions .

这是主要是由于转变为塑料温室后净初级生产力和土壤碳固持的增加抵消外部有机肥碳输入和化石燃料碳排放的增加。