Abstract : through analysis on the character and use of geothermal water, expatiate the mechanism of iron removal from geothermal water, adopt the iron removal and manganese removal technology of aeration full oxygen and savageness manganese grit osculate oxidation, and control the intention and time of inverse flush, these make the treated geothermal water reach the standard of iron and manganese chroma, moreover, it won ' t increase bad component or decrease good component it is a perfect iron removal and manganese removal technology that can save installation investment, need low operating cost and reduce the heat losing
文摘:通過對地熱水的特點及其用途的分析，闡述了地熱水除鐵除錳機理，採用曝氣充氧、天然錳
砂接觸氧化的除鐵除錳工藝，並適當控制反沖洗強度和時間，使處理后地熱水含鐵、錳濃度達到標準，且不增加有
害成分或減少有益成分.設備投資省、運行成本低，熱損失小，是一種理想的地熱水除鐵工藝
The cotton bollworm had not been the domiant pest in transgenic bt cotton field, but the number of aphids, ded spider mite, whitefly and so on, increased obviously
害蟲優勢種是棉鈴蟲、花薊馬、棉蚜、硃
砂葉蜻，天敵優勢種類為蜘蛛類、七星飄蟲、龜紋飄蟲。
The slity soil has the greatest frost heave strength in all of soil and the aerolian sandy soil belongs to it, so it is necessary to the study on frost heave mechanics of aeolian sandy soil and measure of prevent frost heave in railway construction
風積
砂土屬于粉質土，而粉質土的凍脹強度是最大的，因而對風積
砂土的凍脹性及其對鐵路危
害的研究是非常有必要的。
Based on some macroscopic evidences gained in actual earthquake fields and on a preliminary theoretical analysis, it has been pointed out that the rayleigh waves should be an essential cause of liquefaction for the fields beyond the epicentral region with saturated sand deposits at shallow depths
（ 4 ）首先介紹了提出rayleigh波是液化主因的背景，基於宏觀震
害資料的啟示，提出了rayleigh波可能是造成
砂土液化的主要動因的新見解。並用單相介質模型的總應力法，分析了rayleigh波可能產生的應力大小。
By the phenomenon came from critical sand - gravel granular mixtures slope experiment, the falling causation, form, scale, and preventing principal in sliding - sand slope were discussed. the causation can be drawn : the slope received sands from the slope top continuously ; non - uniform degree and granular size in strong weathering environment may be changing ; and the restrain in slope foot was weakened. these factors, cause the fal
結合乾燥沙石臨界單面坡實驗現象觀察，對溜
砂坡災
害的產生原因、崩塌特性及防治原則進行了討論，提出溜
砂坡崩塌的三個主要成因：寒凍風化引起上部沙粒來源的持續不斷；坡面的風化作用使顆粒進一步均勻、細化，造成原來處于亞臨界而穩定的坡面達到臨界而容易失穩；坡腳對牽引式崩塌的制衡作用削弱，易受坡腳干擾而誘發。
The geological conditions are very complicated in hejiazhai tunnel which is located in guizhou shuibo railway, this tunnel is named " mashed tunnel " with the most difficult geological conditions such as the high dense gas and developed karst and gushing water assembled together, the geological hazards like the gushing water and sand, the collapse of tunnel, surface subsidence and slide, cracking of tunnel lining were often happened during construction period
摘要貴州水柏鐵路何家寨隧道，工程地質條件極其復雜，集「高瓦斯、強巖溶、大涌水」為一體，施工期間曾發生多次涌水涌
砂、洞內坍方、地表塌陷與滑坡、支護襯砌開裂變形等地質災
害，堪稱水柏鐵路施工難度最大的「爛洞子」 。
Cementitious capillary crystalline waterproofing coating ( abbreviated ccwc ) is a new type of cement - based waterproofing materials, which is characterized by its very good adhesive performance and impermeability to water, self - rehabilitating ability, permanent waterproofing effect, good aging resistance and corrosion resistance, simple construction method and harmless to hunman etc. ccwc consists of ordinary portland cement, quartz sand and reactive substances and other supplementary ingredients, whose reactive substance can permeate into the internal part of concrete structures through water and produce insoluble crystals filling capillary pores or crack of the concret through reaction with cement hydrates and unhydrates
水泥基滲透結晶型防水材料是以硅酸鹽水泥或普通硅酸鹽水泥、石英
砂等為基材，摻入活性化學物質而組成的一種新型防水材料。摻入的活性化學物質以水作載體向混凝土內部滲透，與混凝土中未水化的水泥及部分水泥水化產物發生結晶反應，生成不溶於水的結晶體，堵塞毛細孔道，使混凝土緻密、防水。這種防水材料具有粘結力強、抗滲性能好、自愈合能力強、防水效果持久、耐老化、耐腐蝕、易施工、對人類無
害等特點。
In this paper, kandelia candel ( l. ) druce hypocotyls were cultivated in sand and treated with 15 % seawater for 60 days under laboratory conditions. the influence of increasing concentrations of napthalene and pyrene ( 0, 0. 1, 1 and 10mg / l ) on hypocotyl germination and growth, photosynthesis metabolism, water metabolism and membrane protection system were observed to inquire into the ecophysiological responses of mangrove k. candel to pahs phytotoxicity. moreover, the concentration and distribution of parent polycyclic aromatic hydrocarbons ( pah ' s ) in surface sediment, underground root and leaf residue of mangroves in jiulong river estuary ( fugong, north and south shores of haimen island, baijiao ), neighbouring xiamen western harbour ( dong islet ) and dongzui harbour ( fenglin ) were examined
在實驗室條件下，分別以0 . 1 、 1和10mg l的萘（ nap ）和芘（ pyr ） 3個梯度濃度組級
砂基培養秋茄（ kandeliacandel （ l . ） druce ）幼苗，培養基鹽度15 ，培養期60d ，以不加pahs為對照，分析了nap和pyr對紅樹植物秋茄幼苗的生長、光合代謝、水分代謝以及膜保護系統的影響，探討pahs對紅樹植物秋茄的的生理生態效應及植物性毒
害（ phytotoxicity ）的機理。
Based on some examples, geologic hazard problems, such as earthquake, geofracture, ground subsidence, collapse, water environmental depravation, landslide, dilapidation, mudrock flow, float sand, piping and yielding soil deformation etc., are summed up generally during the course of development for chinese cities
以實例的形式，概要總結了中國城市發展過程中存在的地震、地裂縫，地面沉降、塌陷，水環境惡化，滑坡、崩塌、泥石流，流
砂、管涌、軟土變形等地質災
害問題；根據產生地質災
害的動力作用性質，對地質災
害進行了分類。
Baking - free brick was made by using fly ash, sand, cement and other industrial wastes, which makes the cost of material low. furthermore, when it was made, the degree of mechanization is very high, using few workers, production cycle is short, thus the cost was lowered
免燒磚是採用粉煤灰、
砂子、石粉、礦渣等工業廢渣按一定比例加入水泥振動，強力壓制而成，原料來源價格低，加之生產時機械化程度高，用人少，生產周期短，因此成本低，免燒磚的價格比紅磚低，裝卸時不容易損壞邊角，且沒有粉塵，衛生條件好，對人體的呼吸道傷
害小。
Investigation on the damage of dust in quartz sand field in towns
鄉鎮石英
砂生產行業粉塵危
害調查
The wind near the ground carries most sand with it and so wears the lower parts of big masses of rock most.
靠近地面的風帶走
砂土最多，因此大塊巖石下部磨蝕得最為厲
害。
The problem of depression of the bridge approach road is the usual defect of the road in our country at present, in order to solve this problem, the high road of chang yu sandpile to settle soft subgrade to strengthen it
公路橋頭引道沉陷是目前國內公路較常見的道路病
害，為了解決這一問題，長余高速公路利用
砂樁對橋頭軟弱地基進行了加固處理。
You know it ' s newly made only by pictures. you ' re so smart. and : where is the moulding trace
看照片就知道新做，太厲
害了，還有：翻
砂痕跡在哪？
To be used as a pre - fabrication primer on blast - cleaned steel surfacees in automatic shop - priming plants to protect steel during transport, storage and production
作為預處理底漆用於噴
砂處理鋼材，保護鋼材在運輸，儲存和生產中不受損
害。適用於車間自動流水線施工。
9 grinding and cleaning of alloy steels, stainless steels and nonferrous metals shall be done only with tools that will not leave detrimental deposits on the base metal ; aluminum oxide or silicon carbide grinding wheels and austenitic stainless steel wire brushes shall be used
合金鋼、不銹鋼和非鐵金屬的研磨、清理所用工具不能在母材金屬表面上留下有
害殘留物，可為鋁氧化物或金
砂鋼磨輪、奧氏體不銹鋼絲刷。
Test study indicates that, stress sensitivity of low permeability gas reservoirs exists objectively not only for dry rocks, but also rocks with irreducible water, and harm of stress sensitivity to permeability cannot he ignored
實驗研究表明，不管是乾燥巖石還是含束縛水巖石，低滲透
砂巖氣藏儲層的應力敏感性是客觀存在的，而且這種應力敏感性對儲層滲透率造成的傷
害不可忽視。
This article introduced the method of geological investigation of nanling tunnel karst disease, elaborated the tunnel engineering geology conditions, especially the karst water, the karst water power channel and the harm of karst water, and analyzed the cause that produced the karst disease
摘要南嶺隧道巖溶地下水活動造成地表坍陷、洞內泥
砂淤塞等病
害，其原因在於隧道施工遺留的導洞長期疏排巖溶水，採用地質測繪、物探、鉆探、水文地質試驗等綜合勘察方法，查明地下水通道位置、地下水流速、流向，針對病
害原因，提出攔截、封團、疏排、填充等綜合整治方案。
Thermoplastic phenol - formaldehyde resin bond synthesized by solution po1ymeization is commonly used in making diamond grinding wheel, which has disadvantages such as : absorbing moisture, difficult mixing, can not being long term store, needing curing agent, and giving off dangerous gas
目前，金剛石樹脂
砂輪普遍採用溶液聚合熱塑性酚醛樹脂作結合劑，此結合劑存在著易吸潮結團、混料困難、不易長期存放，需加固化劑才能固化，且固化過程中有大量的有
害氣體溢出，使用時需要加工成粉末等缺點。
The forcast and assessment on earthquake stonebrash liquefaction of the yellow river delta had been analysed and worked over synthetically and closely for the first time in the history, eventually, it was proved that the earthquake stonebrash liquefaction was the predominant disaster in the yellow river delta and several regions would bring about earthquake stonebrash liquefaction disaster when the intensity of an earthquake was 6 degree
開展了黃河三角洲第四系沉積特徵方面的研究4首次全面的對黃河三角洲地區地震砂土液化進行區劃和預測評價，提出地震砂土液化是黃河三角洲主要的地震地質災害，當地震烈度為時，部分地區將產生液化的新觀點。
