sand grain 中文意思是什麼
sand grain
解釋
砂粒-
The research results show that, from the viewpoint of second phase morphologies, there exist quite differences between the grain - type materials ( such as wc / bcu brazing deposit material, wrs1000 and 1zt tungsten carbide strengthening overlaying material, as well as the wear - resistant material of polymer adhesive coating etc. ), and the aggregation - type as well as dispersion - type ones ( such as zg35simn, wrd - 1 and khc - k2 depositing material ) in the wear - resistance and sand slurry abrasion mechanism. the sand slurry abrasion mechanisms are brought forward, of new wear - resistant materials with the features of grain - type second phase morphologies
研究發現，與聚合型、彌散型第二相的材料（如zg35simn 、 wrd ? 1和khc ? k2熔敷材料等）相比，顆粒型第二相的材料（如wc bcu釬焊熔敷耐磨材料、 wrs1000型耐磨材料、 1zt碳化鎢顆粒增強熔敷材料及ktc ? 1耐磨膠粘塗層材料等）在耐磨性能和磨損機理等方面均有不同，總結提出了以「顆粒型第二相」為特徵的耐磨新材料泥沙磨損機理。 -
All things were related to all other things from the farthermost star in the wastes of space to the myriads of atoms in the grain of sand under one s foot
一切事物都跟一切其他事物有聯系，從最遼遠廣闊的空間里的星星到腳下沙粒中千千萬萬個原子，其間都有聯系。 -
2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure
龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，提高土壤團聚性，增加土壤團粒結構數量，改善土壤的透水性，促進良好土壤結構的形成，最終提高土壤的蓄水保肥性能，增強土壤的抗蝕性和抗沖性。 -
Each microdot is the size of a grain of sand and contains an identifier
每顆微粒都是一粒沙粒的大小並且包含一個辨識碼。 -
On the other hand, among recently deposited soils of nanjing and its surrounding areas, there are two types of soils with special structure, that is, silty clay and fine sand interbedded strata of nanjing with appearance presenting. thousand layers cake. and nanjing fine sand with schistous grain
在南京及其鄰近地區的漫灘相新近沉積土中存在著兩種具有特殊結構性的土層：呈現粉質粘土和粉砂組合的「千層餅」狀外貌的粉質粘土與粉砂互層土和具有片狀結構的粉細砂。 -
In the extended experiment we modulate the sand grain diameter and air humidity to contrast with the natural result, discuss the effect of diameter and humidity on sand incipience, propose some ideas and methods to control sand transportation and formulation of wind - blow - sand flow
本文還拓展了實驗條件，通過調整沙粒粒徑配比和空氣濕度，完成了對比性實驗，並進一步探討了粒徑和濕度對沙粒起動的影響，提出了在沙漠工程中控制風沙流形成和沙粒輸運的思路和方法。 -
On my last holiday in the bahamas, as i walked along the beach feeling the gentle waves wash over my feet, i felt part of universe, even if only a minuscule one, like a grain of sand on the beach
上次到巴哈馬度假期間，我沿著海灘漫步，海浪輕輕撫揉著我的雙腳，此時此刻，我驀然覺得自己與整個宇宙融為一體，盡管我顯得微不足道，就像海灘上的一粒沙子。 -
The amount of light coming out depends on the change in direction when the light hits a sand grain
其實，光的明暗取決于光照射沙粒時的方向變化。 -
On this scale the moon would be scarcely more than a dust speck about 1cm from the sand grain.
照這樣的比例尺度，月球將是僅離小沙粒一厘米遠的一顆塵埃微粒。 -
Like you, like a grain of sand
和你一樣，就像是滄海一粟 -
S uttered blasphemies that made his jailer recoil with horror, dashed himself furiously against the walls of his prison, wreaked his anger upon everything, and chiefly upon himself, so that the least thing, - a grain of sand, a straw, or a breath of air that annoyed him, led to paroxysms of fury. then the letter that villefort had showed to him recurred to his mind, and every line gleamed forth in fiery letters on the wall like the mene tekel upharsin of belshazzar
他把憤怒轉嫁到他周圍的一切上，他泄怒於自己，泄怒於那來惹他的最微不足道的東西，如一粒沙子，一根草，或一點氣息，維爾福給他看的那封告密信在他的腦海里重新浮現出來，一行似乎是用火紅的字母寫在墻上一般。 -
In smoke shan among the course, can is it come down to stop grades of detailed sand grain, form steady sand strain layer
在抽i油過程中，能將級細的砂粒阻擋下來，並形成穩定的砂濾層。 -
If we could actually see the path described by a particle, such as a sand grain in the rock,
假如實際上我們能看見由一個象巖石內部的砂粒這樣的微粒繪出的軌跡。 -
Physical state : this produce is made of natural silica sand by the advanced processes of water scrubbing and reelecetion. natural silica sand has the naturally founded grain shape and uniform particle size and takes on brown - white or off - white color
物理狀態：本產品經天然硅砂水洗，重選等工藝加工而成，天然硅砂具有天然的滾圓粒形和均勻的粒度，呈褐白色或灰白色。 -
To see the world in a grain of sand
從一粒細沙中窺探世界 -
The research showed that pam could improve soil structure, and greatly increase the stabilization of soil aggregates, so soil crust development would be decreased. fifthly, soil grain that controls rainfall splash erosion was obtained, the influence of soil clay was very great during initial stages of rainfall. with rainfall going on, soil coarse sand and fine sand would control the splash erosion
五、控制土壤濺蝕的主要土壤粒級：在降雨初期土壤的的粘粒對濺蝕速率的影響較大，隨著降雨歷時的延長，土壤中的細砂和粗砂成為濺蝕速率影響較大的因子；六、對土壤濺蝕影響較大的土壤結構特徵因子：降雨5分鐘時，土壤的滲透系數對濺蝕速率的影響較大，隨著降雨的繼續進行，土壤的團聚度一直對土壤濺蝕速率影響較大。 -
Every general and every soldier was conscious of his own significance, feeling himself but a grain of sand in that ocean of humanity, and at the same time was conscious of his might, feeling himself a part of that vast whole
人人都覺得正在完成一項非同兒戲的意義重大而莊嚴的事業。每個將軍和士兵都覺得自己非常渺小，也意識到自己只是這個人海之中的一粒沙土，而且也覺得自己強而有力，也意識到自己是這個浩大的整體中的一部分。 -
Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case
文摘:針對水石流顆粒粗，粘性小的特點，提出了利用水槽進行分段模擬水石流的設想，首次通過幾何變率解決難度較大的阻力相似問題，改變了以往過度加糙的方式;通過變粒徑比尺的方法消除了模型沙級配不連續相似的問題，較好地實現了固體物質級配相似，達到了泥石流的密度相似和輸沙相似.通過水槽概化模型試驗實例，對本方法進行了驗證 -
Abstract : the effective shear stress of sediment transport is analyzed theoretically and tested by experimental data. the result shows that the effective shear stress is neither the overall shear stress nor the sand grain shear stress, but the geometric mean of these two stresses. the effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power
文摘:本文通過理論分析及實測資料檢驗表明，無論對於何種泥沙運動狀態，決定泥沙運動的有效切應力既不是沙粒切應力又不是全部切應力，而是介於兩者之間，近似為沙粒切應力與全部切應力的幾何平均值.這一有效切應力不但是對切應力類水流強度指標的總結，還可以概括平均流速和水流功率等水流強度指標 -
Influence of sand grain shapes on dry density of sediment
沙粒形狀對泥沙干密度影響初探
分享友人