化学上有一个实验叫结晶。
柠檬中含有大量柠檬酸盐——这种化学物质和肾脏中的钙有关,可阻止钙结晶形成结石。
Lemons are full of citrate - a chemical that attached to calcium in the kidney and stops if from forming crystals that can turn into stones.
柠檬中含有大量柠檬酸盐——这种化学物质和肾脏中的钙有关,可阻止钙结晶形成结石。
Lemons are full of citrate -a chemical that attached to calcium in the kidney and stops if from forming crystals that can turn into stones.
柠檬中含有大量柠檬酸盐——这种化学物质和肾脏中的钙有关,可阻止钙结晶形成结石。
Citrate - a chemical that attached to calcium in the kidney and stops if from forming crystals that can turn into stones.
在结晶学科学或是化学方面更扮演关键的角色。
In the science of crystallography it is crucial, as it is also in many aspects of chemistry.
在盐湖条件下,混凝土和钢筋混凝土受到严重的化学腐蚀、物理结晶腐蚀和钢筋溃烂性腐蚀。
Concretes and reinforced concretes in salt lake undergo serious deterioration resulting from chemical corrosion, physical crystallization or rusting of reinforcing steel.
运用化学反应工程的观点和方法研究了工业结晶过程中流体的混合状态及其对晶体生长速率的影响。
Mixing phenomna in industrial crystallization, and effects of mixing characteristics on the crystal growth rate were discussed using the principles and methods of chemical reaction engineering.
矿物:一种天然形成的无机元素或化合物(无机物),它有着有序的内部构造、特有的化学成分、结晶形式和物理性质。
Mineral: a naturally occurring inorganic element or compound having an orderly internal structure and a characteristic chemical composition, crystal form, and physical properties.
本文就结晶介质的化学成分和合成参数,对立方氮化硼晶体生长特性的影响进行了阐述。
In this paper studies are made on the influence of the chemical compositions of the crystalline medium and the synthesizing parameters upon the growth characteristics of CBN.
从电镜照片,X光衍射图谱和DSC图谱上表明了稀土化学灌浆材料有聚合物的结晶和二次固化峰的存在。
It was indicated there were polymer crystalline and two solidifying peaks in the rare-earth chemical grouting materials by the electronic microscope photograph, X-ray diffraction analysis and DSC.
变质岩储集空间形成主要有:结晶成因、构造成因、物理风化成因、化学淋溶成因。
The factors related with metamorphic reservoir space are crystallization, structure, physical weathering, and chemical eluviation.
PBT本身具有化学稳定性好、结晶速度快、加工成型方便等优势。
PBT exhibits good chemical stability, fast crystallization rate and excellent processing property.
通过对化学镀铜膜形貌和结晶方面的研究发现:籽晶层对铜膜最终形貌和择优取向有较大的影响。
Through the study, we find that the morphology and crystallography of the seed layer has an important effect on the as-deposited Cu films.
漆器是中国古代在化学工艺及工艺美术方面的重要发明,是中国古代先民的艺术结晶。
The lacquerware was China ancient times in the chemical technology and the industrial art aspect breakthrough, it was China ancient times ancients' artistic crystallization.
从铌酸锂和钽酸锂晶体的结晶学数据出发,分析其结构特征和组成化学键的结合情况。
Starting from the crystallographic data of lithium niobate and lithium tantalate crystals, structural characteristics and chemical bonding behaviors of both crystals are studied.
因焊丝合金化学成分和结晶过程的影响,焊缝处是合金接头的薄弱环节。
The weld zone is the weakest in welded joint due to effects of chemical components of filler and crystallization process.
碱-碳酸盐反应是由原地化学反应和结晶压引起膨胀。
The expansion of alkali-carbonate reaction is caused by topochemical reaction and pressure of crystallization.
结果表明,由于成核添加剂与PET之间在熔融态下存在化学反应,导致PET有不同程度的分子量下降,同时PET结晶速率发生变化。
It is found that there are chemical reactions between nucleating additives and PET in the melt state, resulting in the change of molecular weight and crystallization rate of PET in some degree.
其中物理方法是通过控制淀粉颗粒粒度,化学方法是通过化学反应,破坏颗粒结晶区域。
For destruction of the crystal structure, the physical means aim at controlling the granularity of the starch granules, while the chemical methods through chemical reactions.
课程大纲由量子化学及结晶化学等理论为基础,讨论一些分析仪器的原理,构造及应用。
Considering the theories of quantum and crystal chemistry, discuss the theories, structure and applications of some instruments.
采用原位XRD、TG_DTA、IR、XPS等方法对薄膜的结晶态、热处理过程以及膜的化学组成进行分析。
In_situ XRD, TGA_DTA, IR, XPS methods were used for studying the structure and chemical process of the films.
结晶化的化学药品由于蒸汽或热水前缘的扩展而重新升华或溶解。
The crystallized chemicals were resublimed or dissolved by the spreading of steam or hot water front.
上述岩性和地球化学分带是由于岩浆中较高的F和H_2O含量,促进了分离结晶和流体搬运的?。
Such petrological and geochemical zoning was caused by higher F and H2O contents of the magma, which facilitated fractional crystallization and fluid transfer.
岩相学及岩石化学研究表明,岩浆演化机制是矿物分离结晶作用。
The petrologic and petrochemical study has shown that the main mechanism controlling the magmatic evolution is fractional crystallization of minerals.
本文采用显微结晶、化学浸蚀和光学方法研究了KPB晶体的孪生规律。
This paper investigated the law of KPB crystal twinning using microcrystallography, chemical etching and optical method.
方法:应用主客体识别原理,选择主体分子,经重结晶从挥发油中选择分离单一化学成分。
Method: the host molecule was selected and a single chemical component isolated from volatile oil by the host guest recognition.
高的烧结温度和长的保温时间使结晶更加充分,样品致密度更好,但是也造成偏离化学计量比的加剧。
High sintering temperature and long maintaining time lead to the sufficient crystallization and the full densification, but result in the worsening of the deviation from the stoichiometry.
结果表明,机械力化学效应使得淀粉颗粒结晶结构受到破坏,结晶程度降低,最终由多晶态转变成非晶态。
The results showed that the crystal structure of potato starch could be destroyed by ball milling and the crystallinity decreased from polycrystalline to amorphous state.
研究了化学反应时间与烧结温度对HAP的结晶度和颗粒均匀性的影响规律。
The effects of the reaction time, the sintering temperature on the crystal morphology of HAP and homogeneity were investigated.
研究了化学反应时间与烧结温度对HAP的结晶度和颗粒均匀性的影响规律。
The effects of the reaction time, the sintering temperature on the crystal morphology of HAP and homogeneity were investigated.
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