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Do you know that microbes can be made into eco-friendly dyes? ITRI’s #MetabColor, an Edison Awards 2021 finalist, developed unique pathways to produce dyes from bacteria, which can eliminate environmental hazards caused by traditional synthetic chemical dyes.
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中大公布第二批校園環境檢測結果
香港中文大學（中大） 早前委託獨立認可實驗室於不同時間在校園不同地點，抽取空氣、水質及泥土樣本，並送往化驗。大學已收到了第二批校園環境檢測結果。
因應有大學成員對校園可能殘留CS（鄰-氯代苯亞甲基丙二腈）的疑慮，校方已經進一步安排樣本檢測，預計將於二至三星期後收到結果，並盡快公布。
今日（12月12日）公布的第二批校園環境檢測結果包括13個泥土樣本（#1至#12 、S8）以及兩個水樣本（W9、W10）的化驗結果，摘要及參考水平如下﹕
(1) 泥土樣本
表一﹕泥土樣本（#1 至#12）
污染物
測試結果
參考水平
參考文件
二噁英
0.0037至0.0059 毫微克/克
1毫微克/克
香港環保署發出的「按風險釐定的土壤污染整治標準（公園）」
總多氯聯苯
< 0.2毫克/公斤
0.756毫克/公斤
多環芳香烴
< 0.500至2.05毫克/公斤
3.83至10,000毫克/公斤
表二﹕泥土樣本（S8）
污染物
測試結果
參考水平
參考文件
二噁英
0.12 毫微克/克
1毫微克/克
香港環保署發出的「按風險釐定的土壤污染整治標準（公園）」
總氰化物
< 1 毫克/公斤
4,900毫克/公斤
總多氯聯苯
< 0.200毫克/公斤
0.756毫克/公斤
多環芳香烴
< 0.500毫克/公斤
3.83至10,000毫克/公斤
(2) 水樣本
表三﹕水樣本（W9 及 W10）
污染物
測試結果
參考水平
參考文件
二噁英
4.6至4.7 皮克/公升
30皮克/公升
美國國家環境保護局（USEPA）建議的飲用水標準
總氰化物
< 0.05毫克/公升
0.2毫克/公升
總多氯聯苯
< 0.50 微克/公升
0.5 微克/公升
多環芳香烴
< 0.1 微克/公升
0.1 至 0.4 微克/公升
結論
(1) 泥土樣本
化驗結果顯示12個泥土樣本（#1至#12）的二噁英含量遠低於香港環保署在2007年發出的《按風險釐定的土地污染整治標準的使用指引》中「按風險釐定的土壤污染整治標準（公園）」之數值。這表示二噁英在這些泥土（#1至#12）的含量水平並不顯著，化驗結果與距離2號橋較遠位置的泥土樣本 （S1至S7、S9） 相若 （見表一）。
至於總多氯聯苯的化驗結果，所有泥土樣本 （#1 - #12）都遠低於前述由香港環保署發出的使用指引中（公園）標準之總多氯聯苯含量 (0.756毫克/公斤)。（見表一）
關於泥土樣本 (#1 - #12) 中多環芳香烴的含量，全部均低於參考文件中所規定的水平 （見表一）。 至於多環芳香烴中個別的化合物含量，可於此處瀏覽。
一個含有黑色煙熏物質的泥土樣本 （S8），在夏鼎基運動場裡被火燒焦的墊褥附近採集。測試結果顯示二噁英的含量相比其他泥土樣本為高，但仍相等於使用指引中的參考水平大約十分之一。這個略高的數值可能是由燃燒塑膠或墊褥的塑料部分引起。S8的其他測試參數例如總氰化物、總多氯聯苯和多環芳香烴，它們的含量遠低於在相關參考文件所規定的最低數值（見表二）。
(2) 水樣本
兩個水樣本從賽馬會研究生宿舍（一座）採集。化驗結果顯示兩個水樣本（W9 及 W10）中二噁英含量介乎4.6至4.7皮克/升。根據美國國家環境保護局建議的飲用水標準，其水樣本 （W9 & W10）中二噁英含量並不顯著。其他測試參數例如總氰化物、總多氯聯苯和多環芳香烴，它們的含量遠低於在相關參考文件所規定的最低數值 （見表三）。
從上述結論可見，這些污染物在泥土（#1 至 #12、S8）和水（W9 及W10）樣本的含量對健康的危害不顯著。
至於其他測試結果，大學收到後盡快公布。
相關數據可於此處瀏覽。
CUHK Releases the Second Batch of Test Results on Campus Environment
The Chinese University of Hong Kong (CUHK) earlier appointed an independent accredited laboratory to collect air, water and soil samples at various locations and at different times on campus and sent them for testing. The University has just received the second batch of test results.
In addition, in response to the concerns of some University members over the level of CS (2-chlorobenzalmalononitrile) on CUHK campus, the University has arranged to conduct another round of tests. The results will be announced as soon as they are received in 2-3 weeks’ time.
Here is the summary of the second batch of test results including 13 soil samples (#1-#12 & S8) and 2 water samples (W9 & W10) compared with the guidance notes/international standards.
(1) Soil samples
Table 1: For soil samples (#1 - #12)
Contaminant
Test results
Reference Level
Reference Document
Dioxins
0.0037-0.0059 ng/g
1 ng/g
Risk-Based Remediation Goals (RBRGs) for Soil – Public Parks, published by Hong Kong Environmental Protection Department
Total PCBs
< 0.2 mg/kg
0.756 mg/kg
PAHs
< 0.500-2.05 mg/kg
3.83-10,000 mg/kg
Table 2﹕For soil sample (S8)
Contaminant
Test results
Reference Level
Reference Document
Dioxins
0.12 ng/g
1 ng/g
Risk-Based Remediation Goals (RBRGs) for Soil – Public Parks, published by Hong Kong Environmental Protection Department
Total Cyanide
< 1 mg/kg
4,900 mg/kg
Total PCBs
< 0.200 mg/kg
0.756 mg/kg
PAHs
< 0.500 mg/kg
3.83-10,000mg/kg
(2) Water samples
Table 3: For water samples (W9 & W10)
Contaminant
Test results
Reference Level
Reference Document
Dioxins
4.6-4.7 pg/L
30 pg/L
Drinking Water Standards from USEPA
Total Cyanide
< 0.05 mg/L
0.2 mg/L
Total PCBs
< 0.50 µg/L
0.5 µg/L
PAHs
< 0.1 µg/L
0.1-0.4 µg/L
Conclusion
(1) Soil samples
Among the 12 soil samples (#1-#12), the dioxins (I-TEQ) are well below the Risk-Based Remediation Goals (RBRGs) of dioxins in soil (I-TEQ) for public parks as quoted in the Guidance Manual for Use of Risk-Based Remediation Goals for Contaminated Land Management published by Hong Kong Environmental Protection Department (HKEPD) in 2007. This indicates that the dioxins (I-TEQ) levels in these soil samples (#1 - #12) are not significant, and the results are comparable to soil samples (S1-S7 & S9) collected in the more distant locations away from No. 2 Bridge (see table 1).
Based on the test results of Total Polychlorinated Biphenyls (PCBs), all soil samples (#1 - #12) are lower than the respective limits of PCBs level (0.756 mg/kg) for public parks cited in the aforementioned Guidance Manual from HKEPD (see table 1).
Regarding the Polycyclic Aromatic Hydrocarbons (PAHs) levels for these soil samples (#1 - #12), all of them are below the level as required by the reference document (see table 1). For the figures of individual PAH compounds, please click here.
A soil sample with black-smoked materials (S8) was collected in the vicinity of the burned mattress in Sir Philip Haddon-Cave Sports Field. The test result of the dioxins (I-TEQ) level is relatively higher than that of other soil samples though it is only about one tenth of the reference level cited in the Guidance Manual. The possible reason for the elevated result may be due to the burning of rubber or plastic components of the mattress. For the other testing parameters such as Total Cyanide, Total Polychlorinated Biphenyls (PCBs) and Polycyclic Aromatic Hydrocarbons (PAHs) for the sample (S8), they are all well lower than their respective limits as required by the related reference documents (see table 2).
(2) Water samples
Two water samples (W9 & W10) had been collected from Jockey Club Postgraduate Hall 1. The test results reveal that the dioxins (I-TEQ) levels for both samples (W9 & W10) are from 4.6 to 4.7 pg/L. In accordance with drinking water standards from United States Environmental Protection Agency (USEPA), the dioxins levels for these water samples (W9 & W10) are not significant. For the other testing parameters such as Total Cyanide, Total Polychlorinated Biphenyls (PCBs) and Polycyclic Aromatic Hydrocarbons (PAHs), they are all much below their respective limits as required by the related reference documents (see table 3).
In view of the aforementioned interpretation, the health hazards of these contaminants from the soil (#1 - #12 & S8) and water (W9 & W10) samples are negligible.
Other test results will be announced as soon as they are available. Related information may be viewed here.
謝謝環團們
武力豈能止暴制亂 政治問題政治解決
無論抱持那一方的立場，必須承認暴力已把我城推向危險邊緣。
暴力 -\-\ 更別說濫暴 – 無從解決深層次政治衝突及平息社會動盪。發射更多的催淚彈、橡膠子彈和出動水炮車，只會為市民和香港造成不可修復的傷害。
催淚彈是化學武器。過去五個月，在這個密集城市發射超過7500枚催淚彈，波及購物商場、住宅屋邨、大學、中小學，甚至幼稚園這千家萬戶活動的地方，使平民暴露在有害化學物中，在文明社會是瘋狂和全然不可接受的行為，而這些事正正在這裡發生。催淚煙無論對示威者，抑或是無辜市民，都會造成嚴重的急性和潛在的長期健康影響，尤其是幼童和長者。
請問，這是特首林鄭月娥的意願嗎？
市民無從得悉這些化學武器釋放甚麼化學物質及其長期健康影響。食物及衞生局和環境局應立刻向公眾提供暴露在這些化學物下的健康風險，並提供有效紓緩這些殘餘影響的方法。
所有政客及當局必須明辨，暴力不能解決政治衝突，政治衝突只能透過對話和協商解決。
我們一致促請特首林鄭月娥：
（一）指令警隊恪守使用武器的嚴格指引，停止濫用暴力，以免加深社會恐懼和傷害市民；
（二）接納並跟從本地及海外專家的建議，就所有社會動盪事件及催淚煙的健
康影響進行獨立調查；
（三）在各區繼續進行對話會，使公眾的意見能在平和的情況下公開交流，同時有關當局亦應提供建設性的建議。
聯署聲名由以下團體聯合發佈
生態教育及資源中心 Eco-Education and Resources Centre
守護大嶼聯盟 Save Lantau Alliance
香港大學學生會理學會生態學及生物多樣性學會 Ecology & Biodiversity Society, SS, HKUSU
香港自然生態論壇 HKWildlife.net
香港自然探索學會 Society of Hong Kong Nature Explorers
綠色力量 Green Power
綠惜地球 The Green Earth
綠領行動 Greeners Action
長春社 The Conservancy Association
龍尾環境教育中心 Lung Mei Environmental Education Centre
自然脈絡 Natural Network
綠適朋友 Friends of Green
綠活地圖 wherevergreen
350香港 350HK
生態巴士 Ecobus
嗚鴉自然教室 Project crow
香港兩棲及爬蟲協會Hong Kong Society of Herpetology Foundation
低碳想創坊 CarbonCare InnoLab
大嶼山愛護水牛協會 Lantau Buffalo Association
南地球 Greeners South
-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-
Green Groups’ joint statement to call for subsiding the elevated social unrest
No matter which side of the political divide you find yourself standing in, all of us would agree that our society is being pushed by brute forces towards a precipice.
Violence and the unchecked use of force will NOT resolve deep-seated political conflicts and will not settle social unrests. The firing of more tear gas canisters, the deployment of water cannons, and the shooting of rubber bullets will do unrepairable harms to people of all walks of life as well as all of Hong Kong.
Tear gas is a chemical weapon. The shooting of over 7,500 pieces of tear gas canisters over the last five months into almost every district of this high-density compact city-\-\with ordinary Hongkongers in shopping malls, residential estates, universities, schools and even kindergartens exposed to a complex mix of harmful chemicals-\-\is insane and is a totally unacceptable behaviour in a civilized society, which we claim to be one here in Hong Kong. The chemicals released by tear gas can cause severe acute effects and potentially long-term health impacts on those who have been intentionally targeted, or inadvertently exposed to, especially young children and the elderly.
Is this the intention of the Chief Executive Carrie Lam Cheng Yuet-ngor?
The public do not know what chemical substances have been released by these chemical weapons as well as their long-term health impacts. The Food and Health Bureau and the Environment Bureau should immediately advise the general public in regard to the types and extents of health hazards resulting from the exposure to such chemicals and recommend effective methods to remedy any residual effects from the exposure to these chemicals used by this administration.
Politicians of all stripes and the administration should be aware that brute forces can never resolve political conflicts—they can only be resolved via dialogues and negotiations.
We urge the Chief Executive Lam Cheng Yuet-ngor to:
order the Police Force to strictly adhere to the stringent guidelines in using their weapons and to refrain from metering out excessive violence so as not to aggravate social fear and unnecessary harms on innocent citizens
follow the advice of local and overseas professionals regarding an independent investigation of all the social unrest incidents, as well as the health impacts of tear gas
keep organizing townhall meetings in every district to allow the public to air their views in a calm setting and for the administration to offer constructive recommendations
___END___
The joint statement is co-issued by the following green groups on 13 November 2019:
Eco-Education and Resources Centre 生態教育及資源中心
Ecology & Biodiversity Society, SS, HKUSU 香港大學學生會理學會生態學及生物多樣性學會
Greeners Action 綠領行動
Green Power 綠色力量
HKWildlife.net 香港自然生態論壇
Lung Mei Environmental Education Centre 龍尾環境教育中心
Save Lantau Alliance 守護大嶼聯盟
Society of Hong Kong Nature Explorers 香港自然探索學會
The Green Earth 綠惜地球
The Conservancy Association 長春社
Natural Network 自然脈絡
Mind Your Waste 毋忘垃圾
Friends of Green 綠適朋友wherevergreen 綠活地圖
350HK 350香港
Ecobus 生態巴士
Project crow 嗚鴉自然教室
Hong Kong Society of Herpetology Foundation 香港兩棲及爬蟲協會
低碳想創坊 CarbonCare InnoLab
大嶼山愛護水牛協會 Lantau Buffalo Association
Greeners South 南地球
Deadlight is a 2.5D sidescrolling cinematic platformer/survival horror in which the player character, Randall Wayne, can move from left-to-right and right-to-left, but is unable to enter any environments off the aligned path. The character can walk, sprint, crouch, roll, jump, long jump, wall jump in narrow areas, climb fences and ladders, hang from wires, push and pull certain objects, and perform contextual actions such as using switches and examining bodies.
Gameplay consists primarily of platforming and solving puzzles so that Wayne can avoid the many "Shadows" (zombies) populating the streets of Seattle. The levels are designed in such a way that players are encouraged to avoid Shadows as much as possible, rather than engaging them in combat. When combat is unavoidable, the player can use a fire axe to execute short-range melee attacks, which consumes stamina, or later, a revolver, and subsequently a shotgun, although ammunition for both weapons is extremely limited. The player also gains access to a slingshot. However, this cannot be used in combat, and is instead used for solving puzzles. There are only a few occasions in the game when combat is unavoidable, and generally, the emphasis remains on avoiding and outwitting Shadows. One method of doing so is the "taunt" feature, which allows Wayne to lure Shadows to their death by calling to them, leading them into environmental hazards such as chasms or exposed electricity. Even if the player is armed, if he is attacked by more than three or four Shadows at any one time, it means almost certain death.
Wayne begins with three health points which can be replenished using first aid kits. The number of health points can increase by a single point if the player can find health power-ups. Sprinting, melee combat, and hanging from objects deplete the player's stamina meter, which causes the screen to blur, and Wayne to pause so as to get his breath back. As with the health meter, the amount of available stamina can be increased by power ups.
Unlike health, however, the stamina meter refills over time.
The game contains many hidden collectable items. Some are entries from the player's diary, revealing more about his backstory. Others are personal memorabilia lost by people during the outbreak. The player can also find three fully playable 80s-style handheld video games.A recurring collectible comes in the form of identification cards, all of which feature the name of serial killers (such as John Wayne Gacy, Aileen Wuornos and Jeffrey Dahmer), although the photo ID on the cards feature members of Tequila Works' staff.
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More Videos 更多影片:
❤ Uncharted 4 | 秘境探險4 : https://goo.gl/FHsHlw
❤ Uncharted 4 | 秘境探險4 寶藏位置大公開: https://goo.gl/kI5VaR
❤ 勇者鬥惡龍 創世小玩家: https://goo.gl/ip4weW
❤ 火影忍者疾風傳 終極風暴4: https://goo.gl/SIFUV1
❤ The Division | 全境封鎖: https://goo.gl/se0x3z
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謝謝你的收看，如果沒有第一時間回覆，歡迎至粉絲專頁留言給我喔!
如果你喜歡我的影片 ❤請訂閱❤ 是支持我最大動力！
Deadlight is a 2.5D sidescrolling cinematic platformer/survival horror in which the player character, Randall Wayne, can move from left-to-right and right-to-left, but is unable to enter any environments off the aligned path. The character can walk, sprint, crouch, roll, jump, long jump, wall jump in narrow areas, climb fences and ladders, hang from wires, push and pull certain objects, and perform contextual actions such as using switches and examining bodies.
Gameplay consists primarily of platforming and solving puzzles so that Wayne can avoid the many "Shadows" (zombies) populating the streets of Seattle. The levels are designed in such a way that players are encouraged to avoid Shadows as much as possible, rather than engaging them in combat. When combat is unavoidable, the player can use a fire axe to execute short-range melee attacks, which consumes stamina, or later, a revolver, and subsequently a shotgun, although ammunition for both weapons is extremely limited. The player also gains access to a slingshot. However, this cannot be used in combat, and is instead used for solving puzzles. There are only a few occasions in the game when combat is unavoidable, and generally, the emphasis remains on avoiding and outwitting Shadows. One method of doing so is the "taunt" feature, which allows Wayne to lure Shadows to their death by calling to them, leading them into environmental hazards such as chasms or exposed electricity. Even if the player is armed, if he is attacked by more than three or four Shadows at any one time, it means almost certain death.
Wayne begins with three health points which can be replenished using first aid kits. The number of health points can increase by a single point if the player can find health power-ups. Sprinting, melee combat, and hanging from objects deplete the player's stamina meter, which causes the screen to blur, and Wayne to pause so as to get his breath back. As with the health meter, the amount of available stamina can be increased by power ups.
Unlike health, however, the stamina meter refills over time.
The game contains many hidden collectable items. Some are entries from the player's diary, revealing more about his backstory. Others are personal memorabilia lost by people during the outbreak. The player can also find three fully playable 80s-style handheld video games.A recurring collectible comes in the form of identification cards, all of which feature the name of serial killers (such as John Wayne Gacy, Aileen Wuornos and Jeffrey Dahmer), although the photo ID on the cards feature members of Tequila Works' staff.
✦ Facebook臉書: https://www.facebook.com/ejonstyle/
✦ Donate贊助: https://www.twitchalerts.com/donate/j...
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✦ Twitter: https://twitter.com/jonstyle68
✦ Instagram: https://www.instagram.com/jonstyle69
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❤ Uncharted 4 | 秘境探險4 寶藏位置大公開: https://goo.gl/kI5VaR
❤ 勇者鬥惡龍 創世小玩家: https://goo.gl/ip4weW
❤ 火影忍者疾風傳 終極風暴4: https://goo.gl/SIFUV1
❤ The Division | 全境封鎖: https://goo.gl/se0x3z
❤ COC | 部落衝突: https://goo.gl/F5NGfC
❤ GTA5 Funny moments: https://goo.gl/TTrjAc
謝謝你的收看，如果沒有第一時間回覆，歡迎至粉絲專頁留言給我喔!
如果你喜歡我的影片 ❤請訂閱❤ 是支持我最大動力！
Deadlight is a 2.5D sidescrolling cinematic platformer/survival horror in which the player character, Randall Wayne, can move from left-to-right and right-to-left, but is unable to enter any environments off the aligned path. The character can walk, sprint, crouch, roll, jump, long jump, wall jump in narrow areas, climb fences and ladders, hang from wires, push and pull certain objects, and perform contextual actions such as using switches and examining bodies.
Gameplay consists primarily of platforming and solving puzzles so that Wayne can avoid the many "Shadows" (zombies) populating the streets of Seattle. The levels are designed in such a way that players are encouraged to avoid Shadows as much as possible, rather than engaging them in combat. When combat is unavoidable, the player can use a fire axe to execute short-range melee attacks, which consumes stamina, or later, a revolver, and subsequently a shotgun, although ammunition for both weapons is extremely limited. The player also gains access to a slingshot. However, this cannot be used in combat, and is instead used for solving puzzles. There are only a few occasions in the game when combat is unavoidable, and generally, the emphasis remains on avoiding and outwitting Shadows. One method of doing so is the "taunt" feature, which allows Wayne to lure Shadows to their death by calling to them, leading them into environmental hazards such as chasms or exposed electricity. Even if the player is armed, if he is attacked by more than three or four Shadows at any one time, it means almost certain death.
Wayne begins with three health points which can be replenished using first aid kits. The number of health points can increase by a single point if the player can find health power-ups. Sprinting, melee combat, and hanging from objects deplete the player's stamina meter, which causes the screen to blur, and Wayne to pause so as to get his breath back. As with the health meter, the amount of available stamina can be increased by power ups.
Unlike health, however, the stamina meter refills over time.
The game contains many hidden collectable items. Some are entries from the player's diary, revealing more about his backstory. Others are personal memorabilia lost by people during the outbreak. The player can also find three fully playable 80s-style handheld video games.A recurring collectible comes in the form of identification cards, all of which feature the name of serial killers (such as John Wayne Gacy, Aileen Wuornos and Jeffrey Dahmer), although the photo ID on the cards feature members of Tequila Works' staff.
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